Accession Number : AD0917541

Title :   Product Improvement Test of Improved Radio Set AN/GRC-144( )/AN/TRC-138.

Descriptive Note : Final rept. Jul-Dec 73,

Corporate Author : ARMY ELECTRONIC PROVING GROUND FORT HUACHUCA AZ

Personal Author(s) : Milby, James L.

Report Date : JAN 1974

Pagination or Media Count : 86

Abstract : USAEPG conducted a product improvement test of Improved Radio Set AN/GRC-144 ( )/AN/TRC-138 from July through December 1973. Testing was conducted at Fort Huachuca, Arizona. The purpose of the test was to determine to what degree the ADDM kit, which will be used to modify the AN/GRC-144 radio, provides the required interface between the table system and the radio set for the intended modes of operation, to determine the degree to which any enhancement or degradation in system performance occurred when the AN/TRC-138 was converted from DDM to ADDM configuration, and to determine to what degree the AN/GRC-144 ADDM meets the requirements of Specification MIL-R-55333(EL).

Descriptors :   (*COMMUNICATION AND RADIO SYSTEMS, MODIFICATION KITS), (*TRANSMITTER RECEIVERS, MODIFICATION KITS), RADIO RELAY SYSTEMS, RADIO REPEATERS, DIGITAL SYSTEMS, MODEMS, RADIO EQUIPMENT, MULTICHANNEL COMMUNICATIONS, SPECIFICATIONS, PULSE CODE MODULATION, SIGNAL TO NOISE RATIO, MULTIPLEXING, RESPONSE, FREQUENCY MODULATION, VIDEO SIGNALS, SUPERHIGH FREQUENCY, TEST METHODS, MODIFICATION.

Subject Categories : Radio Communications

Distribution Statement : APPROVED FOR PUBLIC RELEASE