Magnavox MX7221 GPS Receiver

© Brooke Clarke 2013

Background
DC Power
Power Up Sequence
Antenna
Photos
Related
Links

Background

This is a GPS receiver made in the late 1990s by Magnavox.  It came with an antenna made by Sensor Systems (p/n 627168-1 model S67-1575-29).  It's an L1 civilian frequency only antenna.

1990 & 1991 date codes.

DC Power

Cable Connector: MS3476W12-10S

Pin
Function
A
+6 - +15 VDC
C
Ground chassis
D
Data
E
Data
B, F, G, H, J, K
nc

Power Up Sequence

The screens are in order top to bottom:


-

25 JUL99 00:00:00
0SAT  STS  TFOM 9
  SELF-TEST  IN
    PROGRESS
O3APR05 00:00:18
0SAT STS  TFOM 9

Antenna

Sensor Systems p/n: 627168-1
                model: S67-1575-29
Sensor Systems p/n: 627168-1
                model: S67-1575-29


Sensor Systems p/n: 627168-1 model:  S67-1575-29 is not on their web page.
Looks like an L1 (1575) only antenna.
Dated: Mar 26 1991
TNC jack.

Photos

Magnavox MX7221 GPS Receiver
RF & Front Panel
Magnavox MX7221
                  GPS Receiver
Note: Dead yellow LTC-7PN Lithium battery
CPU 80C186
U10 & U12 ROMs marked V6.17
kedimplying developed firmware
Magnavox MX7221
                  GPS Receiver
Power Supply & 1 PPS Output
Magnavox MX7221
                  GPS Receiver


Related

DAGR
PLGR
Navigation


Links

Back to Brooke's PRC68Products for Sale, Navigation, Military Information, Personel Home
page page created 19 March 2013.