© Brooke Clarke 2007 - 2020

Web pages listed based on html name.  Use <CTRL>F to search this page.

The Table of Contents and Second version of the Table of Contents are not maintained, but might get you started.

Number, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z
Product web pages
Products in Development


1112BA Battery Adapter to replace the BA-1112, not enough interest
117A HP 117 WWBV time standard receiver
12InShear 12" Bench Top Hand Shear
1500BA Battery Adapter for Tek 1500 series time domain reflectometers, not enough interest
19345 Radio Shack Simplex Repeater, conversion for use with U-229 connector mil radios
1N21 Crystal Rectifiers & Related
20 Watt Multi-band Power Amplifier (MPA)
2360PL AS-2360 Loop Antenna Parts List
I/24VDCSolarBldg120SF 24 VDC Solar Off Grid 120 Square Foot Building
2500TT 2500 Touch Tone desk phone
257477BA Battery Adapter for PRC-25, PRC-74, PRC-77 mil radios
257477BAbroch Brochure for 257477BA Battery Adapter
257477PP Brochure for Power Pole option of 257477BA Battery Adapter
2577BA first version of PRC-25 PRC-77 Battery Adapter
2577Battery Batteries used with the PRC-25 & PRC-77
3am 3 Axis Magnetometer
3D Scanning & Printing
3WRBike 3 Wheel Recumbent Electric Bikes
40mm 40 mm Grenade
4310 Systron Donner MOD 4310 F-1-BJH
4395A HP 4395A Combination Network, Spectrum, Impedance Analyzer
4BA Battery Adapter for PRT-4 transmitter, discontinued
4GPS 4 Way power splitter for GPS
5001A Stanford Telecom 5001A Navstar Test Transmitter - made to test their GPS receiver ICs
    5001Bot " Bottom
    5001Top " Top
5060A HP 5060A Cesium Frequency Standard
5216 HP 5216A 12.5 MHz Nixie Tube Electronic Counter
54501a HP 54501A Digital 100 MHz Oscilloscope
5590BA Battery Adapter for BA-5590/U and related military batteries
5590BAv2 Version 2 of the 5590BA adapter
5BA Battery Adapter for SDU-5/E Distress Strobe Marker Light and commercial equivalents
5SBC  5 Station Battery Charger, Magnavox 706841-801 for PRC-68 family radio batteries
68BA Battery Adapter for PRC-68 Family Radios & other equipment that uses same battery
706 ICOM 706 ham radio
7TFTMon 7" TFT Headrest Monitor
816173 Frame Panel Assembly common to the PRC-126, PRC-128, PRC-136
8day Aircraft Instrument Panel Clocks
8MSB 8" Mini Shear Break
90BA Battery Adapter for PRC-90


A-10A Aircraft Sextant
A1290 Austron 1290A 24 Volt Standby Power Supply
A2042 Austron 2042 LORAN-C Simulator
A2100F Austron 2100F, 2100T LORAN-C receivers & other Austron time and frequency instruments
ABP-AC/DC/BT-TR1 Transceiver Power Unit
Abrams Universal Sun Compass SC-1 -
AC_D500 Astro-Compass MkII
ACCD Astronomical CCD Sensors
ACR10 ACR 10 Survival Radio uses K308 power supply (battery)
ActStorage Active Storage - working on a more space efficient way to store things nearby that are frequently used
Acterna DSL Services Tester 350
Addmotor MOTAN M-360 Electric Fat Trike
ADXL202 Analog Devices 2-axis MEMS Accelerometer
Aerial Photography - DJI
Aertech Industries - where I worked for almost a few decades
Agilent E4404B ESA-E 9kHz - 6.7 GHz Spectrum Analyzer
Aircraft -
Aircraft Pilot's Standby Magnetic Compass
AirTools - Compressor and air powered tools
ALICE All-purpose, Lightweight, Individual, Carrying Equipment, MOLLE, SPEAR, ELCS, BALCS
Alidade Alidade Plane Table Surveying Instruments & AG8 (Kern DKM1) North Finding System
ALR54 AM-6536 / ALR-54 LAMPS Radar Warning Receiver Front End (I designed the Limiter-Detectors)
Altimeters & Barometers 
AM2060 Amplifier-Power Supply Groups OA-3633/GRC and OA-3633A/GRC (NSN 5820-00-973-3383) AM-2060 & AM-2060A
AM-4477 Range Booster for the PRC-25 or PRC-77
AM4979 AM-4979/GR Amplified Speaker
AM7148 HF RF Amp for GRC-206 or URC-113
AM-7176A VHF/UHF RF Amplifier p/o VRC083, GRC-206, GRC-240
An Instantaneous Direct-reading Radiogoniometer by Robert Watson-Watt, 1926 - while made to locate Lightning strikes, it also would work for radio beacons.
AnimalWater Animal Water
AtheistReadingList - Annotated Atheist Reading List
AN-M8 Pyrotechnic Flare Pistol & Gyrojet Pen Flare Launcher & Sedgley Flare Pistol
AN/ARR-26 Sonobuoy Bathythermograph Receiver
Ant Antennas
APX-6 IFF Transponder
Aqua Aqua Locator
ArCo Demonstration AC DC Generator
ARM-511 TACAN/DME Ramp Test Set
ARN89 AN/ARN-89 Direction Finder Set
ARR-26 Sonobuoy Bathythermograph Receiver
ArriT Arri 100 mm Ball Head Tripod
ARK 2 Gyro Aiming Circle, Wild Heerbrugg - North Finding
AS1405 AS-1405/PRC-41 Antenna
AS1729 AS-1729/VRC Vehicle Antenna that uses the MX-6707 Base , AS-1720/VRC & AT-1095/VRC Antenna elements
AS2109 AS-2109 VHF low band Antenna (simulates either the AT-271 or AT-892 on the PRC-77
AS2259 AS-2259/GR NVIS Antenna and NVIS in General
AS-3588/GRC-206 VHF-AM & UHF-AM Antenna
AstAtic D-104 Microphone
AstechZ12 Ashtech Z-12 Reference Station GPS receiver
Astro Astronomy
AT1011 AT-1011/U aka Shakespeare 120 HF Antenna
AT271 AT-271/PRC 10' Fishing Pole Antenna
AT984 AT-984/G Fishing Reel Antenna
AtAt Motorola GPS Receiver "@@" computer commands
ATIUBTK  ATI Universal Bench Test Kit (EW RWR)
attDSL - DSL Modem Router
ATV Fire Truck -
AT&T TSD-3600 Telephone Security Device
Audio Audio Connectors & Military Cloning - Fill - Retransmission
Audiopack Sound Systems 360 PA
Austron 1250A Frequency Standard
Austron A1290 Austron 1290A 24 Volt Standby Power Supply
Austron A2042 Austron 2042 LORAN-C Simulator
Austron A2100F Austron 2100F, 2100T LORAN-C receivers & other Austron time and frequency instruments
Aviation Headsets


BA5590 Military Standardized Battery BA-5590/U Family - see 5590BA Battery Adapter
BA5590Plug - Plug for the BA-5590 family of batteries
BA-5590 Family Battery Eliminators - MRC-82A & MRC-93
BA5800 Battery Adapter for BA-5800/U military Battery
BaoFeng Radios
Barometers & Altimeters
Bausch & Lomb StereoZoom 4
BatChg Battery Chargers
BatChgSim Simple Battery Charger for BB-588/U
Bats - Listening to Bats
batt Batteries
Battery Operated Hand Tools
BatTst  Battery Testers
Battpat Battery Patents
BB388 BB-388/U
BB490 BB-490/U Sealed Lead Acid Battery
BBGun BB Guns
BC125AT Scanner, Uniden
BC611 BC-611 SCR-536 HF Radio set Signal Corps
BC639A BC-639-A VHF 100 - 150 Mc AM Receiver
BC-778 Gibson Girl Survival Beacon Transmitter CRT-3/SCR-578
Belkin Residential Gateway RG Battery Backup
Beltone 12D Audiometer
Bicycle Science
Bicron50 Bicron Surveyor 50 Geiger Counter
Bino Binoculars
Bino_I Table of Binoculars with calculated data as well as my Holding Power Index
BinoPerf Plot of Performance for selected giant binoculars
BlackMessageBox Black Message Box with radio interface (crypto ? or spread spectrum hopping)
Blasting Machines - Land Mines & Related
BlkBox Black Box, both figuratively and literally
Blasting Machines -
BMI Brooke's Military Information, Index page into Military stuff
Bowman Bowman - H4855 - PRC-343 - Personal Role Radio PRR
BS302 Bell System 302 Dial Telephone
BS500 Bell System 500 Dial Telephone
BT2B BT-2B TS-2530 Survival Equipment Battery Tester
BTPS Battery Top Power Supply - fits 9 volt battery
BTSG Battery Top Signal Generator - fits 9 volt battery
Burton 6200 Induction Cook Top
Bushnell Velocity RADAR Gun -


C11166GRC206 C-11166/GRC-206 Universal Radio System Control  URSC
C11169GRC206 C11169/GRC-206 Signal Distribution Unit SDU
C-3 US Navy Infrared IR Signaling Telescope
CA67 - CA-67 Interface Unit, Automatic Data Processing  Stardynamic  5895-01-443-5081
Cadex C7200 Battery Analyzer
Calculagraph Henry Abbott's time or dollar ticket printers
Camera eBay Camera New Product Idea for Camera
Campbell Stokes Sunshine Recorder
Candlestick Dial Telephone, Western Electric
Canon Pro-100 Printer
Capacitors table with ESR and Cap measurements for different types
Cars Vehicles I've owned or are interested in
CCD_Cam Table comparing some astronomical CCD cameras (1999)
CCRadio 2E - AM, FM, Weather, 2-meter Ham Emergency Radio
CDW DVDs of Brooke's Web Pages
CDWM2_TOC List of Manuals
CEI CEI Tempest Receiving System & TEMPEST related
Cell Phones
CF28Toughbook Panasonic CF-28 Toughbook Laptop Computer
CF30Toughbook Panasonic CF-30 Toughbook Laptop Computer
China Lake (& related) Patents: Sidewinder, VT Fuse,
Chinesedc Chinese Compass & Sundial
ChineseSpoutingBowl - Chinese Spouting Bowl
CI (Crystal Impedance) Meters
Clone PRC-68 Family Military Radio Cloning Cable
Cloud Cloud Sensors (for astronomy, or maybe weather)
Coelostat - Heliostat
Coil Winder, NZ-1
Collins PN-101 Pictorial Navigation System (gyroscope & flux valve)
comp Computers
Compass, Aircraft Pilot's Standby Magnetic, B-16
Conn Connectors
Container, shipping
COVID-19 - Ventilators
CRT-1B Sonobuoy
CRT-3 BC-778 Gibson Girl Survival Beacon Transmitter SCR-578
Crypto Cryptography & Electronic Warfare
CryptoM Crypto Machines
CryptoPat Cryptographic Patents
Crystal Impedance Meters
CSI LGBX Pro DGPS Receiver
CSLens - about C/CS Lens for video cameras
CSX3282 427 Cobra
CU2194 Diplexer, VHF, CU-2194/URC
CubicR3030  Cubic R-3030 Dual VLF-HF Receiver
CV4228 CV-4228 PC to SINCGARS Fill Cable Converter, Digital-to-Digital CABLE
CV483 CV-483/URA-17 FSK Converter (receiver audio to loop)
CV89A CV-89A/URA-8A Frequency Shift Converter (receiver audio to loop)
CX7867 CX-7867 U-299 Extension Cable


DAGR - Defense Advanced GPS Receiver
DC Gaussmeter Model 1
    AMY6 Magnetic Polarity Tester
    GE Gauss Meter & Reference Magnet
DC Permanent Magnet Motors, Testing, Flywheel
DDD Digitech Digital Data Signal Generator System
demining Demining
Dent Dent Meridian Instrument - Dipleidscope
Der EE  DE-5000 LCR Meter
Detex - see Watchman's Clock
dewalt-batt Dewalt 12.0 Volt XR NiCad Battery
DialTelegraph DialTelegraph
Diet & Nutrition - 2014
Dig2150A Digitech Serial Data Generator model 2150A
DigitalPhotography101 Digital Photography 101: The Basics
Digital Photography 201 Stacking Images
Digital Photography 202: Close-Up, Macro & Micro
Digital Photography 203: Color Management
Digital Photography 204: Studio Flash
Digital Photography 205: Astrophotography
Digital Photography 206 Micro Photography
Diodes Understanding Diodes & RF/Microwave Operation
Disosc Disciplined  Oscillator Patents
Dist Distributors
DMjpeg Newspaper article on Demining that made me aware of the problem of active land mines in civilian populations
DMM Digital Multimeters (DMM)
DollarWatch a low cost timer or LCD display?
DomePlates Geodesic Dome Connector Plates
Dow Jones Broad Sheet News Printer
DR33 MacKay Dymek DR33 All Wave Professional Receiver & DA-100 act ant, DA-5 BCB Loop Ant
Drake Earth Station Receiver ESR 1252S (satellite TV)
DrillPress - Drill Press used like lathe for center line drilling
DRM Digital Radio Modes
DRTE Digital-Retro-Turbo-Encabulator
DWCMT Datron World Communications Inc. MT1060DS
Dynamo, Model 12Volt
DZAAS_Rx DZAAS Receiver Drop Zone Assembly Aid System


E4404B ESA-E 9kHz - 6.7 GHz Spectrum Analyzer, Agilent
E_Mag Experiment Relating to the Vertical Component of the Earth's Field using digital wrist compass
ECT Electronics Construction Techniques
Edgerton - Index to MIT lab notebooks
EdscorpFRF Edscorp Field Range Finder by Edmund Scientific Corp.
EE8 EE-8 Army Field Phone
E-89-A Telephone Repeater
EL1132 AMREL EL-1132 Electronic Load
Electrical Testers - for AC wiring
electron Brooke's Electronics Page
EM200 EM200 Ear Mike
EM_ToyEngine  Electromagnet Toy Engine
EMCU116 - Military 12 VDC to 24 VDC Inverter
EMFs, Measuring
EOG Electro-optical Gadgets
EPLRS PLRS EPLRS Position Location Reporting System
Eppley Standard Cells & Pyranometers
Erector Set
Erie_rt 1932 Bucyrus-Erie 5O-B Steam Shovel
ESR-micro - ESR Tester
Eastern Science Supply Co. Heliostat
Exotech 100BX Radiometer -
ExtPwrMod SIAC M449 External Power Module
Eyring Low Profile Antenna 301A (ELPA 301A)


F1203 Frederick Electronics 1203 FSK demodulator
F600 Frederick Electronics 600A BER Tester
F91120 F91120 Field Radio BER Test Set
FA Frequency Allocations
FAKI First Aid Kit, Individual NSN 6545-01-094-3412
Faradic Faradic Instruments (Quack Medical)
Fare Registers - Trollys, buses, Taxi cabs . .
FarmHiLiftJack - Farm Hi Lift Jack
Fasteners Fasteners mostly number size threaded
FasTrak Vehicle ID Transponder
FCP Frequency Counter Patents
FEIFS Frequency Electronics Inc. Frequency Standards FE-5650, FE-5680
FGPat Fluxgate (& other) Patents
FillCbl Crypto Fill Cable, U-183
Fire - Blow Torch, Alcohol Torch, Camping Stove, Mantle Lamps
FlashlightPat Flashlight Patents & Photos
Fluke 332B DC Voltage Standard
Fluke TS100 Cable Fault Finder
Flywheel - Pulley for small DC PM motors (1, 2, 3.17, 4 & 5mm shaft dia)
FMBite FM Bite/Audio Interface (GRC-206)
FNFAL FN FAL Rifle (.308 Match)
Ford 1942 script GPW Jeep
ForestGardening Forest Gardening
FreqStd Frequency Standard, Audio
FS5000 FS-5000 Spy Radio
FTA Free To Air TV FTA
FTS4060 FTS 4060 & Datum 4065B Cesium Time and Frequency Standard
FullerP Fullerphones
F.W. Bell 640 Incremental Gaussmeter -


Galileoscope Galileoscope Telescope Kit
Gamewell Fire Alarm Box -  Bells, Gongs & Horns (Diaphone), SF Cable Car Bell, Pen Registers,
Garden Tractor - aka: riding lawn mower - used for mowing tall weeds & pulling trailer
Gas Masks -
Gas Sensors -
GDO Millen 90651 Grid Dip Meter
Geek Stuff - Theremin, Electronic Goldfish in a Bowl, Fireflies in a Jar, Butterfly on a string
Gen Electric mains power Generators
GE Portable Induction Test Meter Type 1B5Y & Sangamo Electric Meter
Geo-ID Geophone Based Intrusion Sensors: TRC-3, Turd
Gibson Girl Survival Beacon Transmitter SCR-578/CRT-3 BC-778
Gilbert-motor Gilbert DC Motor for Erector set
GMQ-33 Cloud Height Set
GoPro Camera 
GPend Onset G-Pendant, 3-axis accelerometer data logger.  also see the Hobo 4 external channel
GPS - General & Garmin 67i
GPSpat GPS & Satellite Navigation Patents
GPW 1942 Ford script Jeep
GravityMeters Gravity Meters
GR 1657 RLC Digibridge
GR 358 Wavemeter
GR650A General Radio GR 650-A & GR 1650B Impedance Bridges
Grapnel Hook, Launched -
GRsound General Radio Sound Measurement Instruments
GRA39 GRA-39 Radio Set Control, C-2328 remote unit & C-2329 local unit
GRA50 AN/GRA-50 Antenna, HF NVIS Dipole w/reels at the ends
GRA71 GRA-71 Coder-Burst Transmission Group
GRA71_316 AN/GRA71-PRC316 Adaptor Unit
GRC106  GRC-106 Radio System
GRC109 AN/GRC-109 HF Set (Spy, Special Forces)
GRC193 GRC-193B 100 or 400 Watt H.F. Vehicle Mount Radio System
GRC-206 on PRC-104 web page, on MT-6250 web page
GRC206Cables GRC-206 Cables
GRC-2006F Dual Operator Radio Remote Control
GRM55 TS-1755A/GRM-55A for the PRC-25
GR Strobotac, Sonar & Krytron
GSQ154 AN/GSQ-154 (V) Alarm Set, Anti-Intrusion, Restricted Area
GSQ160 AN/GSQ-160 Detecting-Transmitting Set, Electromagnetic
GSS26 Alarm Set, Anti-Intrusion Restricted Area
GVS-5 Laser Infrared Observation Device MX-9838/GVS-5
Gyrodyne QH-50 DASH Drone Helicopter -
Gyroscopes, Super Precision Gyroscope
GZH1000 GZH1000-1H 24 VDC @ 1000 Watts Power Supply (110/220 VAC)


H161 H-161E/U Headset used in Crew Served Vehicles (2 connectors)
H-207A/VRC Handset
H250 H-250/U Handset with Noise Canceling mike
H251 H-251A/U Headset (earphones)
H33 H-33F/PT Handset
H350 H-350/U Handset
Haiku Ceiling Fan made by Big Ass Fans
Hammerli150 Hammerli 150 Free Pistol
Harris RF3200ET  Portable (Fly Away) Transceiver
Harris TS22AL Telephone Butt Set
Harris TS1000 ADSL Test Set
Harris RF-5051-PS001 & PP-6224 Power Supplies
Harris RF-5800V-HH Falcon II (Civilian PRC-152)
Harris RF-5980-SA001 Amplified Speaker
Harris TSP-21 Telephone Test Set Plus (like but set, but belt-clip & operators headset
HaT Hints & Tips What Goes Wrong
HDR High Dynamic Range Photography
Hearing - aids, audiometers & other test equipment
HEXJAM - VHF low band jammer
HeathkitGC1000 Heathkit GC-1000 Most Accurate Clock & other Heathkit related stuff
Heliostat - Coelostat -
Helmholtz Coil
    Sensitive Research Instrument Co. Fluxmeter
    Annis M25 Pocket Magnetometer
    Cenco Scientific 79860 Dynamo Analysis Apparatus - works with Fluxmeter
    M3 Coil Magnetic Survey Instrument & Ruska Helmholtz Coil
Helmholtz Resonators & Tuning Forks
HF_Prop HF Propagation
HFCCTV Harbor Freight Color Security Camera
Hilger & Watts Spectrometer D 168.3/290
HMMWV HMMWV Hummer 1 ¼-Ton, 4X4
HNV600 Rockwell Trooper GPS HNV-600 & HNV-960
HNBV-960 GPS receiver without front panel, but has antenna & backup battery
HNV-2000 Rockwell HNV-2000 PLGR II SPGR GPS Receiver
Hobo HOBO® 4-Channel External Logger also see the GPend
Home Built Magnetometers
Home Fire Protection -
HomeTheater Home Theater
Honda2000OdysseyRadioSerialNumber Honda 2000 Odyssey Get Radio Serial Number
Honda Optimate 3+ Desulfating Battery Charger, Maintainer, Tester
HP 117A HP 117 WWBV time standard receiverHP5100 5110A Synthesizer Driver & 5100A Frequency Synthesizer
HP204 HP 204B Audio Oscillator from HP 3350 Carrier Test Set (AN/USM-181 Telephone Test Set
HP241A HP 241A Audio Oscillator w/Radio Buttons
HP 2748B High Speed Rack Mount Paper Tape Reader
HP33120 HP 33120 Function Generator
HP3437A HP 3437A System Voltmeter
HP3458DVM HP 3458A DVM (very accurate if it can be fixed)
HP415E HP 415A, HP415E SWR Meters & HP 200 Series Audio Oscillators (they all make use of GR patents)
HP4260 HP 4260A Universal Bridge
HP 4261A LCR Meter
HP427A HP 427A Voltmeter AC & DC Volts & Ohms
HP4274_4275_LCR lHP 4274A & HP 4275A LCR Meters
HP 428 Clip-on Milliammeter Magnetometer
HP4328A - HP 4328A Milliohmmeter
HP4332 HP 4332 LCR Meter
HP 4395A HP 4395A Combination Network, Spectrum, Impedance Analyzer
HP 467A Power Amplifier (DC to 1 MHz)
HP5004 HP 5004 Signature Analyzer
HP5060A HP 5060A Cesium Beam Frequency Standard
HP5100 5110A Synthesizer Driver & 5100A Frequency Synthesizer
HP 54501A Digital 100 MHz Oscilloscope
HP 5216A 12.5 MHz Nixie Tube Electronic Counter
HP5342 HP 5342A Microwave Frequency Counter
HP5345 HP 5345 Counter
HP59000 HP 59000 Family HP-IB Accessory Modules
HP6038A HP 6038A Power Supply
HP6200Prob looked like HP 6200 Problem at the time, was WIN98 problem with USB
HP 66311A Mobil Communications DC Source
HP 71100C 2.9 GHz Spectrum Analyzer
HP721A HP721A Power Supply
HP8406 HP 8406A  Frequency Comb Generator
HP8648 HP 8648A 100 kHz to 1 Ghz Signal Generator w/ pager option\
HP 8702B Lightwave Component Analyzer - Electro Optical Network Analyzer - 8753A Network Analyzer
HP33120 15 MHz Function/Arbitrary Waveform Generator
HPac4a HP AC-4A Decade Counter module (4 tubes)
HPIB HP-IB Controllers
HPE1938 HP E1938 Ovenized Crystal Oscillator
HPK79 HP Diode Test Set K79 0981C
HP LaserJet 4050N Printer
HP LaserJet Pro M501dn Printer
HP Z3805A Time & Frequency GPS Receiver
HR3590 - H.R. 3590 Patient Protection and Affordable Care Act
HS2B4 Plantronics Supra  -01NC 992C Headset
HS30A HS-30-A Headphones, CD-604 Transformer
HT20 2000 mT Magnetic Flux Meter
Huntron Huntron Tracker
HYX-65-1 Wire-line Adapter Local Unit & KY-65


ICD2 Microchip ICD2 In Circuit Debugger
ICOM 706 Transceiver
ICOM R7000
ID Outdoor Intrusion Detectors and Related Equipment
index Personal Home Page
Indian - Fedco Fire Pump -
Induction Cookers - Burton 6200 Induction Cook Top
Inductors Inductors
Infrared (IR)
Integrating Sphere & Controller
Insurrection 6 January 2021
IntrusionAlarmPatent - Intrusion Alarm Patents
iPod touch
IR - Infrared
IR_Beacon IR Beacons
Ircon DN-DNS30-20C, IR Infrared pyrometer
IR Gun Sight, Tank M32


J-4024/U GRC-206 Interconnecting Box
Jackson Labs - LTE-Lite GPSDO Evaluation Kit
V-Meter James V-Meter Mk I
JDSU SmartClass ADSL
Jennifer_TOC Table of Contents for The Jennifer Project by Clyde W. Burleson, 1997 Texas A&M University Press; ISBN: 0890967644
Joint Tactical Radio System (JTRS) - SR-702G receiver/exciter
JouleThief - Joule Thief Single Cell LED Driver
JuicersBlenders - Juicers & Blenders


KandE760000 K&E 76 0000 Alidade
KEHL K&E Hand Levels
Kelvin Kelvin Connection Measurements
KESI Care and adjustment of K&E Surveying Instruments
Kestrel 5500FW Fire Weather Pro -
Key, Object & Pet Location Tags
KD-100 Key Tape Disintegrator
KGS Electronics SPC-6-1000-3PH 50/60Hz to 400Hz 3-Phase Frequency Changer
Korg MS-20 Mini Music Synthesizer
KPC350 - Low Light CCTV Camera
Krytron, GR Strobotac & Sonar
KS8455 KS8455L2 Line Loop Tester Telephone Installers & Repairman's Meter
KS-24361 (Lucent ) HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812A GPSDO System
KVHC100FG KVH C100 Flux Gate Compass module
KY38 AN/KY-38 Secure Voice System
KY57 KY-57 Transmission Security Device
KY65 KY-65 TSEC/TSEC/KY-65 Narrowband Secure Voice Unit & HYX-65-1 Wire-line Adapter Local Unit
KY68 KY-68 Secure Field Telephone
KY864U KY-864/U Encoder/Decoder-Analog/Digital
KY99 KY-99 Advanced Narrowband Digital Voice Terminal (ANDVT)
KYV2 TSEC/KYV-2(A)  Secure Voice Module SVM68


Labophot Microscope, Nikon
LabVIEW - graphical programming language (Installing LabView)
Land Mines - Blasting Machines & Related
Lathe Lathes for < 1" OD parts
Launched Grapnel Hook
Lava Lamp
LBant 30 to 88 MHz VHF Low Band Antennas
Learning Learning
Leclanche Leclanché Battery Short History of the Flashlight Battery
LED LED & Flip Dots
LED1PC2 6 digit LED display that uses 0.56" high 7-segment LEDs and Allegro 6276 LED driver chips (March 2003)
Leitz115A Leitz 115A Transit
Length & Weight Measurements - tools
Leroy K&E Leroy Lettering Set
LF-Ant AMRAD LF Active Whip Antenna
LFT504 Lorchron LORAN-C Timing Receiver LFT-504
Lighters Cigarette, Cigar Lighters
Lights Lights
LM631A Amprobe (Meterman) LM631A Digital Light Meter
Locks -
Loop WWVB Loopstick Antenna & C-Max Receiver
LooseCoupler Loose Coupler used on early radios
Loran-C U.S. LORAN-C Chains
LoranPat LORAN-C Patents
LPB Low Power Broadcasting, Links related to,
LS-147 Intercom
LS454 LS-454/U Loudspeaker
LS-685/U Crystal Loudspeaker
LS-688 PM Loudspeaker
LST5  LST-5 Series SATCOM Satellite & Line Of Sight LOS UHF Radios
LTE-Lite GPSDO Evaluation Kit
Lucent KS-24361 HP/Symmetricom Z3809A, Z3810A, Z3811A, Z3812A GPSDO System
LWB Light Weight Beacon low frequency back packable


M1009 M1009 CUCV TRUCK, UTILITY, TACTICAL, 3/4 TON, 4x4, M1009, Chevrolet K5 Blazer with a diesel engine and 24 electrical system
M1024 Magnacord 1024 Reel to Reel Tape Recorder
M12 Panoramic Telescope
M151 M151 MUTT Jeep
M153 M-153/U Microphone, Voice Silencer
M18 M18 IR Binocular
M227 M-227 Signal Lamp Equipment SE-11 - Gun shaped flashlight, trigger, relay, IR Filter option
M-29B Carbon Microphone (U77 family)
M32 IR Tank Gun Sight
M4551 - M455-1/GRC-206 Power Source
M79 40 mm Gernade Launcher
M8 Pyrotechnic Flare Pistol & Gyrojet Pen Flare Launcher
M80 M-80/U Handset (Microphone)
M90 M90 Chemical Agent Detector
M94 M-94 Cipher Wheels
MA Military Actions
MA 4230A Morse Encoder & MA 4231A Morse Decoder
MAA Military Audio Accessories
Macbeth Illuminometer
Mag Star Brightness Magnitude Numbers & Low Light Security Cameras
Magnetometers, Home Built
Magnetic Locators
Magnetic Recording
Magnetics - stuff related to magnetism
Magnets Permanent magnets & electromagnets
Magellan GPS Commander
Magnavox MX7221 GPS Receiver
Man Manuals
MATEL 2C800 Field Phone by Racal Acoustics Ltd.
MB Motorized Bikes & Motor Scooters
MC1 MC-1 Magnetic Compass Calibration Set similar to AN/ASM-344
MCGP  Military Collectors Group Posts 1997 - 2000
MCGP032101 Military Collector Group Post (Mar.21/2001), Hughes HC-162, the first PRC-74, Testing of the GRA-71 & ? ca 1963
MD1 Automatic Astro Compass Type MD-1
MD1142 BR Communications 6029C Time Diversity Modem MD-1142/UGC Modem, Time Diversity
ME-165/G Standing Wave Ratio - Power Meter
ME400 - ME-400 Indoor Doppler Intrusion Sensor
ME61 ME-61/GRC Meter, Field Strength, H.F.
Measuring EMFs
Megger - Holtzer-Cabot Meg Ohmmeter ZM-14A/PSM-2
MESCO1011ToyEng - Mesco No. 1011 Toy Engine
Metal Locators
MEP-25A 28VDC Military Generator
MHC401FS Maha MH-C401FS AA/AAA Ni-MH Ni-Cad charger
MHC777P2 Maha C777 Plus II Battery Charger, Analyzer, Cycler
MHC9000 Maha MH-C9000 AA/AAA Charger, Analyzer, Discharger, Break-in, Cycler
MILES  Multiple Integrated Laser Engagement System (MILES)
Mills Vest Pocket Slot Machine - Trade Stimulator
Military Radio Cryptographic Remote Control
Mini Cut-off Saw - 3/4" capacity
Mini Machine Tools
Miscellaneous Old Stuff
MITAC Demonstration Gyroscope
Miter Saw - Ryobi TSS102L Compound Sliding Miter Saw
MITRadLab - MIT Rad Lab Series on RADAR
Mitutoyo Toolmakers Measuring Microscope 176-134
Mk 20 Mod 4 Aircraft Gun Bomb Torpedo Rocket Sight
MK2137 MK-2137/PRC-68 Maintenance Kit
MK356 MK-356/G Wire Splicing Kit
Mk456 MK-456(*)/GRC Retransmission Cable
MkVHeliograph Mance Type Mk V Heliograph
ML-OSA Monolight Optical Spectrum Analyzer
                & Beseler PM1 Darkroom Color Analyzer
                & Wollensak L3524D Direct Vision Spectroscope
                & Ocean Optics HR2000 Spectrometer
MLSN Micrologic SportNav Loran-C Receiver with MGRS
MMC2003 see:MOTGPS
MMT Modern Monetary Theory
MN1 Motorola Model N1325A Converter
Model 12Volt Dynamo
MOID Modular Outdoor Intrusion Detectors
Money - paper, coins, handling
Monopulse  Teletype Monopulse Printer
MorseDecoding Morse Decoding
MOTGPS Motorola GPS Receivers
MotorKit Build it Yourself! a Real Electric Motor
Micom 2 HF Radio, Motorola Mobat
Mounts Telescope Mounts
movie Movies
MPA 20 Watt Multi-band Power Amplifier
Mpdf Making pdf Documents
MRC67 MRC-67A Amplifier-Speaker
MRC-82A & MRC-93 BA-5590 Family Battery Eliminators
MS-20 Mini Music Synthesizer, Korg
MS2000M MS-2000M Distress Marker Light
MSC Military Satellite Communications MILSATCOM
MSC2001 MSC2001 Voice Encryption Unit (VEU)
MSD Military & Surplus, Dealers & Mfg. Radio & Electronics Related
MSPHP Military Surplus Personal Home Pages
MT1029 MT-1029 Radio Mount, AM-2060, RT-246 & RT-524, etc.
MT3823 MT-3823/GRC Shock mount, Electrical Equipment PRC-25 size case with the battery box attached
MT6250 MT-6250/GRC-206 System Rack
MTE Test Equipment
MTX COBRA Spread-Spectrum Burst Transmitter
Multiphot System, Nikon microscope
Music Music
MV Military Vehicles
MWI Monitoring the World's Ionosondes Courtesy of Popular Communications (as printed in Sepetember 1993)
MWTE Microwave Test Equipment
MX4102 MX 4102 Transit Satellite Navigator & MX 4200 Differential GPS receiver
MX18290 MX-18290/VRC Fill Device, ELEK CCM


Nav Navigation Orientation & Position
NAVEDTRA10251 CD-ROM pdf version of Cryptographic Collection Equipments, Naval Education & Training Command, NAVEDTRA 10251
Navy Mk. 18 Gyro Gun Sight
NCR Enigma, How Joe Desch, based in Dayton, beat the Nazi code and helped win the war [From the Dayton Daily News: 02.25.2001]
Net Brooke's Network 101 Basics
NewProd New Products in Development
Nextstar60 Nexstar 60GT Telescope
NickelSpy - Hollow Nickel Spy Case Abel
Night Vision Devices NVD- Table and Patents
Nikon Nikon (and Kodak DC290) Cameras
Nikon D800E Full Frame
Nikon Labophot Microscope
Nikon Multiphot System - Macro photography stand and list of "phot" family microscopes
NikonSB25 - Nikon SB-25 Flash & Manfrotto C1575B Avenger Super Clamp
Nikon SMZ-U Stereo Zoom Microscope
NiZnBattery Nickel-zinc NiZn Battery
No6 - No. 6 Dry Cell
Noisecom 7110-FAC Programmable Noise Generator
North North Finding
NTgpsSTR2760 Northern Telecon GPS Satellite Sumulator STR2760
NRD545 - NRD545 Receiver & Related
NSLB Model NS-LB Noise Generator
NYH_PRC47 SO NOW YOU HAVE A PRC-47 by Dennis Starks; Collector/Historian
NZ-1 Coil Winder


O1814 O-1814/GRC-206 Pacer Speak optional Rubidium Frequency Standard
Object & Pet & Key Location Tags
OE254 OE-254/GRC Antenna Group
OE303 OE-303 1/2 Rhombic Antenna
OF185 OF-185Vehicular Adapter & Radio Frequency Power Amplifier
office_equip Instruments in my Office when I did this web page
Omnicon 3800 Tumor Colony Analyzer (TCA) Automated Inverted Biological Microscope
Omnigraph Omnigraph Morse Code Practice Machine
One Man Life Raft Survival Kits:  C-1 Vest, C-2 Raft & accessories
OneTubeRadio - One Tube Radio WD-11 Armstrong patent
OPSradios Para-Military, OPS Series Radios; Part I, In The Beginning,, by Dennis Starks
Optical Bench
Optical Patents
Optical Spectrum Analyzers
Optics Optics, Day & Night
Orion Electronics Ltd. Cellular Base Station ST616-CBS (cell phone spy)
Orion GoScope 80 Table Top Telescope


P_GPS Precision GPS Measurements From: "Dr Thomas A Clark (W3IWI)"
Pack - Packaging for Shipment
Panasonic KX-TA824 Telephone System
Panoramic Telescope M12
PAS6 PAS-6 Metascope IR Viewer & IR Source
PatchP Audio Patch Panel
PC PC Support
PC33C - Color CCTV Camera
PC164C KPC164C Low Light CCTV Camera
PC6 Precision 6 Digit Clock these ideas led to the LED1PC2 clock
PClock Precision Clock combines the two boards from the PC6 into one board and uses a bigger PIC, Stability table
PCO PC based Oscilloscopes
PDA Personal Digital Assistants
PDR27 PDR-27 Radiac Set
PDR-56F Radiac Set Scintillation Counter
Pendulum Astrolabe
Pendulums Pendulum Patents
Permanent Magnet DC Motors
Pet, Key & Object Location Tags
PEWS Platoon Early Warning System PEWS AN/TRS-2(V)
phones Telephone Equipment
photo Photography
Photoflash Photoflash Units
PhotographicStudioStrobeSystem Photographic Studio Strobe System
Pibal theodolite, also see Radiosonde
PICpkg PIC Microcontrollers by Package
PI Probability of Intercept
PIC16F88 PIC 16F88 Getting Started
PLGR-II Rockwell HNV-2000 PLGR II SPGR GPS Receiver
Polaris Ranger EV -
Polish Mine Detector -
Pop Guns - Big Bang Carbide Cannon, toy rifles and pistols
Position Angle Finder -
Power Bank Jump Starter -
PowerPole Power Pole
PP Parallel Port
PP2953 see PP-6224 Line Powered 24 Volt power supply
PP6224PwrSup PP-6224 24V Power Supply & Harris RF-5051-PS001
PP7286 PP-7286/U Battery Charger Time & Current
PP7601 PP-7601 6 Station Battery Charger Navy/Marine charger for PRC-68 family batteries
PP8249 PP-8249 SINCGARS Battery Charger, mainly for tanks, but I don't think it was ever used?
PP8444 PP-8444A/U Universal Portable Charger (UPC) small suitcase charger for BB-xx90
PP8496  PP-8496/U Self Discharge Device w/Capacity Meter
PP8498 PP-8498/U Soldier Portable Charger (SPC) Multi-Port Universal Battery Charger AC or DC input
PRC104 PRC-104 HF Receiver Transmitter & other systems that use the RT-1209
PRC112 PRC-112 Survival Radio
PRC126 PRC-126 VHF low band squad radio
PRC128 PRC-128 Scope Shield radio
PRC136 PRC-136 CFRCS Crash, Fire Rescue Communication System
PRC138 RT-1694/PRC-138 HF Receiver-Transmitter HF and some VHF low band
PRC-152, Civilian, Harris RF-5800V-HH Falcon II
PRC-152 Falcon III TRI Replica Radio VHF & UHF (paint ball)
PRC25 PRC-25 VHF low band back pack squad radio
PRC2577TstAdp PRC-25 & PRC-77 Test Adapter for POWER connector
PRC25CHK Check List for RT-505/PRC-25
PRC25PCC1 Modification of Radio Receiver-Transmitter, RT-505/PRC-25 for use with AN/PCC-1 (PRC-77 used same pinouts)
PRC47 PRC-47 HF transceiver 2-man back pack
PRC6 PRC-6 VHF low band transceiver
PRC6725 PRC-6725 30-88, 136-174, 403-470 MHz depending on RF module, no front panel
PRC-64 (Delco 5300) Long Range HF Portable Radio Transceiver
PRC68 PRC-68 Squad Radio VHF low band
PRC68A PRC-68A Squad Radio VHF low band
PRC68AA Antenna Adapter for PRC-68 Family Radios 68AA with DC return
PRC68AAdp 914598-801 Antenna Connector Adapter DC open
PRC68B PRC-68B Squad Radio VHF low band
PRC68Batt PRC-68 Family Batteries
PRC68COM Products Designed & Built by Brooke Clarke - info on ideas, developments, Precision LCD Clock No. 4
PRC68FAM PRC-68 Family of VHF low band Squad Radios
PRC68SSP PRC-68 Series Specials & Prototypes
PRC68Stry Additions and Corrections to "The AN/PRC-68 Legacy" by Alan Tasker
PRC77 PRC-77 Back Pack VHF low band Squad Radio
PRC90 PRC-90 Aircraft Survival Radio
PRC-96 Navy Lifeboat Survival Radio
PRD1 PRD-1 HF Direction Finding Radio
PrecisionClock Precision Clock
PRM32 PRM-32 (TS-20) Test Set, Survival Radio
PRM34 TS-3951/PRM-34 VHF Low Band "God Box"
Probeye Hughes Probeye Infraed Thermal Viewer
prop H.F. Propagation scale drawing
PropelBB590 Propel BB-590 Battery Charger (pulse charge)
Proximity Fuse, VT Fuse, Sidewinder China Lake (& related) Patents:
PRS-7 Portable Mine Detecting Set
PRS10 PRS10 Rubidium Frequency Standard
PRT4R9 PRT-4 & PRR-9 VHF low band Squad Radio Tx & Rx helmet mounted
PSA-45D Avcom PSA-45D Portable TVRO Spectrum Analyzer
PSC-2 Digital Communications Terminal (DCT)
PSC-6 Digital Imaging Set & Sony MVC-5000 Digital Camera
PSM13 PSM-13 Battery Test Set
PSG9 PSG-9 Message Terminal (Computer)
PSN-6 R-1897/PSN-6 Loran Receiver
PSN-8 PSN-8 GPS receiver
PSN-9 GPS receiver
PSN-10 SLGR GPS receiver
PSN-11 PLGR GPS receiver
PSN-13 DAGR GPS receiver
PSO-1Scope Dragunov PSO-1M2 Scope night illumination
PSOSC - Polaroid Sonar One Step Camera - source of Ultrasonic transducer
PSPatent RF & Microwave Power Sensor Patents
PSR1 PSR-1 Seismic Intrusion Detector
PSR2 PSR-2 Chemical Alarm
PSS11 PSS-11 Detecting Set, Mine
PSS-12 Mine Detecting Set, Schiebel AN-19/2
PST1020 Precision Standard Time Model 1020 WWV Receiver
PVS-4 Starlight Scope, Night Vision Sight, Individual Served Weapon
PVS5NVG PVS-5A Night Vision Goggles
PT Pocket Tools
PTR Phase Tracking Receivers
PTS 160 Frequency Synthesizer

Product web pages

Antenna Adapters

68AA - Antenna Adapter for PRC-68 family radios
TWA2 - Tape Whip Antenna Adapter holds AB-591 & AT-271 and screws into ham/CD bases

Battery Adapters

45VS - 45 Volt Battery Stick
5BA - for SDU-5/E Strobe Light
68BA - for PRC-68 family radios, PSR-2 chemical alarm  &etc.
90BA - for PRC-90 family survival radios
90BAv3 - like the 90BA except has threads on bottom for radio cap
1100BA - replaces BA-1100 in TVS-2 and other night vision scopes
5800BA - for PLGR or other BA-5800/U applications
5590BA version 1 - for BA-5590/U applications
5590BA version 2 - " can easily accept 20 Sub C cells
257477BA - PRC-25, PRC-74, PRC-77 and other radios
257477BA-PP - with Power Pole socket see: PP-CLS
BA5567f - PVS-5 uses single CR123 photo battery
S-PP 9 Volt Snaps to Power Pole adapter (In Development)
SRBS - Squad Radio Battery Snap - for charging battry or powering equipment


25-PP - plugs into PRC-25 family battery or adapter and has Power Pole connector.  for loads or charging
CLP-PP - A Cigarette Lighter Plug to Power Pole cable
CLP-77 - Cigarette Lighter Plug to PRC-77 cable
CLP-5520 - A Cigarette Lighter Plug, with LED, to 5.5 x 2.0 mm Plug ctr. Positive. The overall length is about 6 feet.
CLP-PLGR -  A Cigarette Lighter Plug, with LED to PLGR DC power cable
PCK - Power Connector Kit  (PCK) for PRC-25, PRC-77 & other 14 pin POWER connectors.
PLGR-EX - External Power Plug for PLGRs
PP-CLS - Power Pole to Cigarette Lighter Socket. hand with 257477BA-PP
VPA-2577 - Drive the PRC-25 or PRC-77 POWER connector from a Power Pole "12 Volt" source.
CLP-2577 - Cigarette Lighter Plug, with LED to either PRC-25 or PRC-77 radio. (functionally the same as VPA-2577 + CLP-PP)


BA-5590 Plug
45 Volt Stick


PBBK  Phosphor Bronze Brush Kit


ESR Micro combined ESR and Capactance Meter
Fly Back Tester

Pyrometer Ircon DN-DNS30-20C, IR Infrared


Q5200 Quantic Q-5200/SM Timing GPS Receiver
Q Meters
QuartzClk Quartz Kitchen Clock Movement


R1715 R-1715/TRC-87A Military UHF Receiver
Racal MA 4230A Morse Encoder & MA 4231A Morse Decoder
Rack 19" Rack Mount Equipment
rack1 Surplus Rack 1 with equipment
rack2 Surplus Rack 2 with equipment
Rad_Det Radiation Detectors
Radio Cryptographic Remote Control
Radiosonde - also see Pibal theodolite
Rass Rack and Stack Systems
RASS_abt About Rack and Stack Systems
RASS_C Rack and Stack Systems Contact Information
RASS_CL Computer Languages for Instrument Control
RASS_Misc Miscellaneous Test System Topics (Pogo pins, Microwave Probes, adapters, Source Measurement Units)
RASS_PP Past Projects
Reality and Belief - Epistemology and Being Wrong
RB25B 25B Range Booster AM-4477/GRC
RC Robert Clarke
RC292 RC-292 Antenna, VHF low band mast mounted
RCS-5A RCS-5A Chirp Sounder Receiver
RCS5L RCS-5A Chirp Sounder Log Receiver 39:11 N - 123:50 W
RDF Radio Direction Finding
Reality and Belief (two axioms)
Recipes Brooke's Recipes
Retrans PRC-68 Series Repeater/Retransmission Cable
RF Rangefinders
RF10 Czech RF-10 VHF low band military radio
RF204 Detector RFI,  RF-204 (not really bug detector, though might work)
RF3200ET Harris RF-3200ET Portable Fly Away HF Transceiver
RF-5980-SA001 Amplified Speaker, Harris
RFID Radio Frequency Identification
RHC31 Rugged Handheld Computer
RHMTH U-229 Military Radio Headset/Mic Test Harness
Riding Lawn Mower Garden Tractor - used for mowing tall weeds & pulling trailer
RigolDS1052E Rigol DS1052E Oscilloscope
Rockwell Trooper GPS HNV-600
Rockwell HNV-2000 PLGR II SPGR GPS Receiver
Rolls Royce 1929 Phantom II (40/50) & 1934 (20/25)
RPG-7v Rocket Launcher
RS 38-A Carbon Microphone
RT-159A/URC-4 Survival Radio Receiver-Transmitter
RT246 Military VHF low band vehicle radio part of the VRC-12 series & VRM-1 Test Set
RT1185 RT-1185/GRA-114 Sound Observer Receiver Transmitter
RT1319 RT-1319B PRC-113, VRC-83, GRC-206
RT1439 RT-1439 SINCGARS (First Generation)
RT-1523(C)/U SINCGARS Radio (Second Generation)
RT-1694/PRC-138 HF Receiver-Transmitter
RTU-batt Ready To Use Battery, Sanyo eneloop AA with long shelf lift, using with MH-C401FS charger
RugerSP101 Ruger SP101 .357 Magnum Revolver
Rugged Handheld Computer (RHC31)
Rural Internet
Rustrak strip chart recorder
RWR Radar Warning Receivers
Ryobi TSS102L Compound Sliding Miter Saw


S5807 MIL-S-5807A Sextant, Aircraft, Periscopic Kollsman Instrument Corporation MS part no. MS 28011-1, Skylight Compass (Polarized light)
Samovar Russian Water Heater for hot drinks
Sangean ATS-909X2 FM/SW/MW/LW/Air Multi-Band Radio
Satcom antennas - Dorne & Margolin C152-1-1 & Microwave dishes
SB22 SB-22 Switchboard
SB4151GRC206 SB-4151/GRC-206 Power Distribution Unit PDU
SB4170 Military Telephone Switchboard
SBvsat StarBand sattelite Internet Access
Sci_CCD Table of Scientific CCD Cameras (1999)
Scott C420 Powered Air-Purifying Respirator (PAPR)
SCP38 Super Circuits PC-38 (Mintron 63V5) CCTV Camera
SCR-578/CRT-3 BC-778 Gibson Girl Survival Beacon Transmitter
SD_Optics Optical Elements in Sundials email
SD_Pat2 Sundial Patents
SDAR Signal Design, Inc. 65630 Audio Recorder RD-609/TSQ-164 Communications Recorder
SDU30 SDU-30 Light Marker Distress
SDU5E SDU-5/E Marker Distress Light
Search Search Brooke's Web Pages (stock Google search)
Secret Patents -
Seismometer - Seismometer & Geophone
SEM 52 German Squad Radios
Semi-auto Weapons - Sterling Mk 4 (L2A3), , Tavor SAR, Styer AUG, SIG stgw57
Sensors Sensors - extensive page with many sensor types
Service Buzzer Model 1914 EE-63
SETC_S-1-24 Standard Electric Time Co. Time Interval Counter
SETSC - Standard Electric Time Slave Clock
SG1144 SG-1144/U Signal Generator 50 kHz to 80 MHz
SG-886A/UR Interference (Noise & Tone) Generator
Shadow-Clock - Shadow or Projection Clocks
Shielding Integrity Monitoring System II RP98G & RP98D for screen-SKIFF rooms
Shipping Container
ShortAnt Shortened Antennas for Portables by Dennis Starks
SidekickTandN Tempo Sidekick T&N Telephone Line Tester
Sidewinder, VT Fuse, China Lake (& related) Patents:
Signal Underwater Sound (SUS) Mk 84 -
Simple Handheld Terminal Unit (SHTU)
Simple Microscopes - Foldscope, , Leeuwenhoek Replica, Bullet
sincgars SINCGARS Squad Radios
Sippican: XBT-T4 eXpendable BathyThermographSSXBT Model ST-1 Bathythermograph
SketchSet  M1913 Sketch Set, Surveying, Military Field Sketching, plane table
SkyScan Severe Thunderstorm Detector - displays rough range to lightening
SkyScout - Celestron Astronomical Instrument (personal Planetarium)
Slot Machine - Trade Stimulator, Mills Vest Pocket
SmartMeters - Smart Utility Meters
SMIC Solar Electric System
Smith Indian - Fedco Fire Pump -
SMT Surface Mount Technology - an introduction for home projects
SOC Chemtronics LS 91 & LS 94 TS-4403/U & TS-4403A/U Battery State of Charge Meter LiSO2 7 to 9 AH
Soil Moisture Instruments
Sola 23-23-150-8 Constant Voltage Transformer - CVS
Sonar & Krytron, GR Strobotac
Sonobuoy Sonobuoy Based Outdoor Intrusion Detectors & sub hunting sonobuoys
SORAK Special Operations Radio Antenna Kit OE-452/PRC Five Configurations HF through VHF coverage
Sound Powered Telephone - United States Instrument Corp Element, Remco Toy, Chest Set, H-203, TP-3, TA-1, Baldwin speaker driver
Source Measurement Units
Southern Pacific Caboose No. 1345 - sold
SPC Soldier Portable Charger PP-8498/U - suitcase AC or DC input
Spec_0002 0 to 200 kHz Spectrum Plot
Spec_0004 200 to 400 kHz Spectrum Plot
Spec_118 Aircraft 118 - 136 MHz AM Band
Spec_136 136 to 138 MHz Specturm
Spec_150 150 - 154 MHz Specturm
Spec_153 153 - 157 MHz Specturm
Spectronic 20D Spectrophotometer - measure liquid concentrations
Sperti Model P106 Combination Ultra Violet and Infra-Red Sun Lamp
Spying on Cell (Mobil) Phones
SR Radios - many military radios
SR715LCR SR715 LCR Meter
SRBS Squad Radio Battery Snap - for charging battery or powering Squad Radio
SRDC Squad Radio DC Power
SSQ-36 Bathythermograph Sonobuoy
SSQ-53A DIFAR Sonobuoy
SSQ-53B DIFAR Sonobuoy
SSQ-57 LOFAR Sonobuoy
Stadia Method of Stadia - determine distance by angle subtended by known height
Stadia_Rod How to read urveyor's Rod
Stamps - Printing USPS Postage
Standard Electric Time Co. S-1-24 Timer (Stop Clock)
Standard Electric Time Co. Slave Clock
Starband Satellite Internet - Geosynchronous orbit - one satellite
Starlink Satellite Internet - Low orbit - many satellites
Steam Vaporizers, Warm
StellarTime Measuring the Time for the Earth to make one  Turn.
StkTckPat Stock Ticker Patents
StormScope (Ryan, 3M,  BFGoodrich, L3 Communications) - airborne lightening location display
Strobotac, Sonar & Krytron
Subscriber Loop Analyzers
Sundial Sundials
Super Precision Gyroscope
SurPat Surveying Patents
surveying Surveying
Survival Electronic Survival Equipment
SurvivalKit post Korean War Survival Kit
SUS Signal Underwater Sound Mk 84
Sutra Set (160+ volumes) For Sale - Chinese Bible
SVM68BoxWire SVM-68 Box Wiring
SWCC - Self Winding Clock Co
SWCC2 - Self Winding Clock Co #2


T3C Russian T3C Night Vision Image Intensifier
TA1 TA-1 Military Field Telephone Set
TA1042 TA-1042A/U Digital Non-Secure  Voice Terminal (DNVT)
TA312 TA-312 Military Field Telephone Set
TA341 TA-341/TT Military Touch Tone Desk Set
T-347/SRT Buoy, Radio Transmitting SOS
TA838 TA-838/TT Military Field Telephone Set
Talking House AM Radio Transmitter
TandFTE Time & Frequency Test Equp:
Gibbs Crystal Oscillator 
Stanford Research SC10 Crystal Oscillator 
Stanford Research PRS10 Disiplined Rubudium Oscillator 
HP 53132A Counter 
Frequency Standard 
Stanford Research SR620 Counter 
HP 33120A Function ARB Generator 
HP 8648A Signal Generator 
Stanford Research DG535 
HP 54501 Scope

Tactical Terminal (Tacter) 31A Rugged Handheld Computer (RHC31)
Tachometer  - analog and digital, mechanical & photo
Tape-ARD® Key Punch Model 173A
TCS Navy TCS Radio Set
Tek1502 Tektronix 1502 Metallic Time Domain Reflectometer
Teledyne Avionics TA-3D Acoustic Ear Impedance Meter - audio
Telegraph Telegraph Equipment, Stock Ticker, District Telegraph, Teletype, Keys, Relays, Sounders, Veedre Counter, Early Connectors, Electro-magnets
TelPat Telephone Patents
TelephoneToolKit  Telephone Tool Kit
Telephone Poles - Utility, Power, Cable TV Poles
Telephone Tone and Probe
Testing Small DC PM Motors, DC PM Motors, Flywheel
TF2700 Marconi TF-2700 Universal Bridge
TF_rack Time & Frequency Rack anotated photo
TFDA Time/Frequency Distribution Amplifier
TFRlevel T. F. Randolph Level Surveyor's Engineering Instrument
TG5 TG-5 Telegraph Set
The End of AT&T Landlines
Theodolite - Sokkisha/Leitz N101C - Nikon NT-2S - Wild T2 - Wild T16?
Thermal Hand Held Imager DFOV
Thomas Walker & Son Excelsior IV Taffrail ship's Log
ThunderBolt Trimble GPS Timing receiver
TI9100 TI 9100 LORAN-C Receiver Type III
TiltallTripod Tiltall 4062 Professional Tripod
TimeFreq Time & Frequency
TL Electronics Time Line
TMQ34 TMQ-34 Meteorological Measuring Set
Torpedoes - Naval Mines, Hedgehogs, Depth Charges
Tractors Allis Chalmers, Kubota, Husqvarna, Cat
TRC77 TRC-77 Military Radio misc notes
Trimpack Trimble Trimpack Family of GPS receivers
Tripods - camera, survey, GPS antenna, Binocular
Triton2 Charger Discharger Cycler
Trivec-Avant AV 2095 UHF Satcom Antenna System
Trooper GPS HNV-600
TRQ23 Radio Receiving Set AN/TRQ-23 Antenna Group OE-4/GR AS-2360 Series Loop Antennas
TS183 TS-183B/U Battery Tester & Large Table of Military Batteries
TS1775 TS-1775 Relay Test Set
TS1836 TS-1836 Transistor Test Set
TS23 TS-23 Light Output & Battery Tester for SDU-5/E Strobe Light
TS24B TS-24B survival Ratio Test Set
TS-2839/GY German Audio Test Set
TS3354 Squad Radio Test Set TS-3354
TS-3647/G, Control Orderwire Unit (COU), Telephone Test Set
TS4082PTPT100 TS-4082/URC PTPT-100 Test Set for the PT-25A, PT-25E, URC-100, URC-101, URC-104, URC-110, URC-111
TS585 TS-585 Audio Level Meter
TS799 TS-799/UGM-1 TTY Test Set (Pattern Generator)
TSD-3600 Telephone Security Device
TCC CSD 909 PRM Communication Security Device
ttw_pat Tilting Three Wheeler Patents
Tuning Forks & Helmholtz Resonators
TVS2 TVS-2B Night Vision Scope MX-7794B, Crew Served Vehicle
TW100F/AT Transworld Datron Fly Away H.F. Radio
TW7000FA Transworld Datron Fly Away H.F. Radio w/ALE
TWA Tape Whip Adapter 


U229AA U-229 Audio Accessories
U229PO U-229 Pin Out by Function
U229Y "Y" Cable,  U-229/U
UAS4 UAS-4 Infrared Surveillance System, AN/AAS-14 Infrared Detecting Set, MK-898/AAS-14A IR Optical Filter Kit
UBC Ukiah Brewing Company
Ubiquity NBE-2AC-13 2.4 GHz Wireless Point-to-Point Broadband
UIQ10 UIQ-10 Public Address Set
Ukiah Ukiah, California & Vicinity
Ukiah Latitude Observatory
UltimeterWeatherStation Peet Brothers Ultimeter Weather Station
Ultralife Battery Chargers CH0002 (1-bay), MRC-86A CH0004 (2-bay) & MRC-85A CH0003 (6-bay)
Ultraviolet light
Uniden BC125AT Scanner
UniSmrtChrg Universal Smart Charger
Uniting America
Unitron Auto-Illumination Inverted Microscope Mica-U3X MiC3-244
Unitron No. 83444 Microscope
RT-159A/URC-4 Survival Radio Receiver-Transmitter
Union Pacific Copula Caboose UP25496 & What keeps a train on the tracks
URC68 URC-68 Survival Radio
URC68_A3 URC-68 Receiver-Converter Module A3
URC-200 LOS Radio
URM106 Stoddart URM-6 Set, URM-106 Field Strength Meter 14 to 250 Kc
URM182A URM-182A TS-3754/U VHF Low Band Power Meter
URN502 URN-502 Vehicle Mount GPS Receiver System
URQ-10 & URQ-23 Frequency Standards
URT-44 Over-the-Horizon COSPAS-SARSAT Personnel Locator Beacon
URW Receiver
US Army Abrams Sun Compass SC-1
USM-223 Multimeter 
USM481 USM-481 Test Set VINSON Interconnecting Boxs & Cables
US Navy Infrared IR Signaling Telescope US/C-3
USM-159A Hetrodyne Frequency Meter - transistorized version of the BC-221 (SCR-211) and LM series
USQ-113 com jammer Data Loader
USQ-Rx USQ- Intrusion Radio Frequency Monitor Sets & Related Equipment
VHR OPS Series, Village & Hamlet Radios  by Dennis Starks
UV-5RA BaoFeng handheld VHF/UHF radio
UV-B6 BaoFeng handheld VHF/UHF radio


Vallon Gizmo VMC-1 Metal Detector
Vaporizers, Warm Steam
V-Meter James V-Meter Mk I (concrete density)
VC2000 Victor VC2000 Crystal & Frequency Meter
Vector IV Laser Range Finder 7x42 Binoculars with azimuth and elevation angle
Vehicle Mounted Battery Chargers: Bren-Tronics BTC-70870-1, PP-8481/U
VHF-UHF Frequency Calibrator - 50/100 Mhz combs to 11 Ghz
Vibrators Vibrators for Female Hysteria & muscle relaxation
VIC VIC Vehicle Inter Communication & VRC-12 Series Radios
VMBC Vehicle Mounted Battery Chargers
Voice Over Internet Protocol (VOIP) Phone Service
VoiceX Voice Scrambling US Patents
VPA2577 Vehicle Power Adapter Cable for PRC-25 & PRC-77
VR Vietnam "Village Radio"
VRC-12 Series Military VHF low band radios
VT Fuse, Sidewinder China Lake (& related) Patents
VVS-2(V)4 Driver's Night Vision Viewer
VX-7R, Yaesu VHF & UHF ham radio


Walker Scientific MG-3D Gaussmeter
Wallace & Tiernan FA 181 Altimeter
Warren-Knight 20-8403 Pibal Theodolite - similar to the ML-47
Watchman's Clock
Watchs - Russian Chronometer Pocket Watch, Suunto Vector Wrist Computer, Lady's Wrist Watch Cuff Links
Water Pressure - measuring home water pressure
Wavemeter GR 358 Kit
Weapon Launched Grapnel Hook (WLGH)
WE202 Western Electric 202 Dial Telephone Set
WE500 Western Electric 500 Dial Telephone (same as Bell System 500)
WE2500 Western Electric Touch Tone Phone
WE2554 Western Electric Wall Touch Tone Phone
WE Candlestick Dial Telephone
Weather Weather
Weather Station on line
web Web Page Stuff
WebCam Brooke's Web Cam  (Aug 2007 planning on reviving)
Webcam2 - 22 Aug 2007 Experimental Driveway cam
WebcamHS Web Cam Hardware & Software
Weeden-El-Mtr  Weeden DC Electro0magnetic Machine (Motor or Generator) & Carbide (acetylene) Gas Cannon
Welnavigate GS-100 L1 C/A GPS Code Simulator
Western Electric 387W Disk Microphone
Western Electric Candlestick Dial Telephone 
Western Union DeskFax
Weston594Photronic Weston Model 594 Photronic Cell light sensor, & Weston 614 & Weston 615 Foot Candle Meters
Weston Model 1 Volts Milliampers D.C. Meter
Wild Heerbrugg ARK 2 Gyro Aiming Circle
WinXPtips WIN XP Tips
Wire Antennas - mainly about Camouflage Netting Mast Kits, including antenna line launchers CSV17 Tennis ball and EZ-Hang Slingshot
Wire Strippers
Wireless Driveway Monitor - STI-34100 solar power magnetometer
WKW-7 Power Adapter - for PRC-113, PRC-138, etc.
Workbench (Miter Saw)
WTFME1 Funkanpaßgerät WT-FM-E1 AP01 Telefunken Military wire to radio interface
WTS Brooke's Want, Trade, Sell (out of date)
WU5A Western Union Ticker 5-A Stock (Ticker) Quotation Machine


Xam Crystal Activity Meter
Xec Crystal Unit Equivalent Circuit
Xtal Electronic Crystals
Xtal Impedance (CI) meters
Xtal1800 Crystal Radio 1800? & Brooke Clarke #1
Xtc Crystal Temperature compensation Patents


Yaesu VX-7R  VHF/UHF ham radio
Yellow Caboose Design moved to


Z Impedance Measurements
Z3805A Time & Frequency GPS Receiver
Zeiss Elta Total Station
ZM11 ZM-11/U Capactance-Inductance-Resistance Bridge, line powered
Zeiss Elta Total Station
ZM4 ZM-4 Bridge battery powered
Zo Transmission Line Zo vs. Frequency

Back to Brooke's Personal home, PRC68, Military Information
page created 31 July 2007