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Project Echo was another portable communications system produced by TMC, one for which I do not have the Military Designation. If you know anything about this system, please let me know.
It appears that the system was composed of four trailers. Two contained a pair of GPT-40K transmitters, along with antenna control systems. The other two trailers comprise a pair of 75KW diesel generators (each) to power the transmitters.
|9108.1 "Project Echo. Transmitting vans showing air conditioning louvers in front. Power trailers with two 75KW generators on each trailer."||9108. "Project Echo. Power trailers (two 75KW diesel generators on each trailer).||9124. "Project Echo. Transmission line pressurization system."||9124.2. "Project Echo showing accessory panel for control cabling. This panel mounted below van."|
|9124.8 "Project Echo. View looking forward showing air intake ducts to transmitters. Exhaust ducts are to the rear of the transmitters.||9124.7 "Project Echo. GPT-40K transmitter in front half of van." This view taken from same direction as photo to left, but near front of van.||9124.3 "Project Echo showing both GPT-40K transmitters." Taken from a position near the front of the van looking toward the rear.||9124.5 "Project Echo. Antenna control unit and GPT-40K in rear half of van."|