RS-1 (GRC-109) Radio Restoration
The
RS-1 (circa 1950) was used by the CIA for 15-years and by the Army (GRC-109).
The receiver RR-2B or (R-1004) covers 3-24Mhz in three bands;
The transmitter RT-3 (T784)) covers 3-22Mhz in four bands with power out of
10-15 watts.
Two power supplies were available, the PP-2684 (AC/DC) and the PP-2685 (AC)
On
the left is the very heavy AC/DC power supply, PP-2684, in the center top
to bottom
is the PP-2685 AC power supply, T784 transmitter, RR-2B receiver and on the
right top to
bottom is another PP-2685 AC power supply, RT-3 transmitter and R-1004 receiver
GRC-109
R-1004 (left) and RS-1 RR-2B receivers; identical except for nameplates
GRC-109
T784 (left) and RT-3 transmitters; idential except for the addition
of a connector on the T784 for interfacing the AN/GRA-71 Burst-Coder
PP-2685
power supply showing some of the original selenium rectifiers
Seleniums
replaced with 1N4007's and new electrolytics
Completed
AC Power Supply, PP-2685
Interior of completed receiver
Refurbished
receiver enclosure showing schematic diagram
Completed
GRC-109 R-1004 Receiver
Testing receiver and AC power supply
Receiver
in its refurbished enclosure
Inside
views of the RS-1 RT-3 transmitter
Testing the RT-3 transmitter
System
test - AC power supply, R-1004 receiver, RT-3 transmitter
AC Power supplies (PP-2685)
Inside
view of AC/DC power supply (PP-2684)
Enclosure
- AC/DC power supply, PP-2684
AC/DC
power supply, PP-2684
