Field Strength Meter
IM-84/URM-50
used with external antenna or handheld RF sniffer to tune & monitor transmitters
Comprises
IM-84/URM-50 FSM
accessory case w/ remote meter and RF sniffer coil
mast-mounted antenna
NAVSHIPS
accessory case
OCT-3 (rack mount)
Frequency Shift Monitor
two OCT-3 new in crate -
better photos coming soon
comprises CHZ-60170 receiver
Senses RF in transmitter room or uses external antenna
- see pp 172-173 of "RTTY from A to Z"
NAVSHIPS 91131