A: Radio Relay and Repeaters
A-4
PRC1077-MSOP
Figure A-1. Frequency Interference Chart
Figure A-2. Transceiver Connections - Relay System
88 MHz
80 MHz
70 MHz
60 MHz
50 MHz
40 MHz
30 MHz
30 MHz 40 MHz 50 MHz 60 MHz 70 MHz 80 MHz 88MHz
RECEIVE FREQUENCY
TRANSMITTING
FREQUENCY
PRC1077
RADIO SET
#2
PRC1077
RADIO SET
#1
RELAY SITE
NETWORK
BOX
PRC1077
RADIO SET
#3
CHOKE
BOX
50 FT.
SHIELDED CABLE
48 FT.
AUDIO
HANDSET OR AUDIO
ACCESSORY
(FOR MONITORING)
PRC1077
RADIO SET
#4
CX-4656/GRC (see NOTES 1 and 4)
CONNECTOR
(see NOTE 3)
F1
(see NOTE 2)
F2
(see NOTE 2)
NOTES:
1. Part of MK-456/GRC.
2. Frequencies F1 and F2 selected for non-interference.
3. Connect cable to Audio connector.
4. Radio sets #2 and #3 at relay site are separated by full
length (50 ft.) of CX-4656/GRC.
5. Switch positions required for radios in the radio relay net.
Radio Set #1, #4: tone position or RETEX.
Radio Set #2, #3: RETEX position.
