U.S. Coast Guard, Electronics Engineering Center, (As), P.O. Box 60, Ocean Highway, Wildwood, NJ 08260

58 -- SOURCES SOUGHT: TRANSMITTERS FOR THE USCG DIFFERENTIAL GLOBAL POSITIONING SYSTEM (DGPS) POC Contact Marion Veber, Contracting Officer, 609-523-7219 58 - The US Coast Guard Electronics Engineering Center (EECEN), Wildwood, NJ is seeking sources for transmitters for the USCG Differential Global Positioning System (DGPS). General requirements: 1) variable output power up to 1000 watts; 2) broadcast a signal in the frequency band of 283.5 KHz to 325.0 KHz; 3) completely redundant system; 4) capable of battery backup; and 4) provide remote control and status in accordance with the proposed Radio Technical Commission for Maritime(RTCM) Recommended Standards for Differential Navstar GPS Reference Stations and Integrity Monitors. The radio frequency input signal is a Minimum Shift Keyed signal modulated at up to 200 BPS on a frequency carrier in the frequency band of 283.5 KHz to 325.0 KHz. This signal contains the DGPS corrections. The above items are not all-inclusive, being only representative of general requirements. Detailed specifications will be available at a later date. Interested firms are requested to respond in writing to the above address within 30 days of this publication and provide product literature on any current or planned equipment that satisfies the above general requirements. This synopsis is not a request for proposals or quotations and is not to be construed as a commitment by the U.S. Coast Guard. (0102)

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