This is a SWR - Power Meter that operates over the H.F. Radio frequency range of 1.5 to 30 MHz.  Because of a series capacitor used to adjust frequency response the meter does not work a lower frequencies. 

In order to test the GRC-193 transmitter a power meter with a higher capacity than the Bird Wattmeter is needed.  This unit uses a 12 each 600 Ohm parallel resistors to get to it's 200 Watt CW rating and so is repairable, unlike many of the more modern high power terminations.  Looks like New Old Stock (NOS) and is date stamped 1981.  Designed to mount on the wall of a communications shelter like the S-250.

Golden Era construction that can be repaired.

Front Panel Connectors, Controls & Indicators

RF Input: Type-n jack
RF Output: Type-n jack
Function Select: Power, Adjust (SWR full scale reference), SWR, Operate (RF In to RF Out (Antenna))
Meter zero: Knob
Power/SWR Meter: 0 to 600 Watts (0W = 1:1 SWR, 100W = 4:1 SWR)

TM 11-6625-333-15 Operator's, Organizational, Direct Support, General Support, and Depot Maintenance Manual, Standing-Wave-Ratio, Power Meter, ME-165/G, NSN 6625-00-682-4464, March 1971, Change 2

TM 11-6625-333-24P Organizational, Direct Support, and General Support, Maintenance Repair Parts and Special Tools List (Including Depot Maintenance Repair Parts and Special Tools) for Standing-Wave-Ratio Power Meter ME-165/G (NSN 6625-00-682-4464), 24 August 1981, (superceeds the 17 Oct 1977 issue)

GRC-193 100/400Watt HF Radio
RF3200ET Fly Away 150 Watt HF Radio
PRC-104 20/150 Watt HF Radio
GRC-206 (MT-6250) 150Watt HF Radio

TW100 Fly Away150 Watt HF Radio

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page created 29 Feb 2012.