U. S. Coast Guard, MLC LANT (F), 300 East Main St., Suite 950 Norfolk, VA 23510-9112

58 -- TRANSMITTERS SOL DTCG84-98-R-3TL031 DUE 081098 POC POC Xiomarys Vargas, Contract Specialist at (757) 628-4118; Marie A. Gilliam, Contracting Officer The U. S. Coast Guard Maintenance and Logistics Command Atlantic, intends to award a sole source Indefinite Delivery Requirements type contract with Firm Fixed Unit Prices for a base and 4 option years under the authority of 10 U.S.C. 2304 (c)(1) only one responsible source to Nautel, Ltd., RR#1, Tantallon, Nova Scotia, Canada, to procure transmitters that will provide continuous duty-cycle telegraphic shore-to-ship communications broadcasting on 518 kHtz in accordance with the broadcast specification contained in The International Radio Consultative Committee, Recommendation 476, Standard Narrow Band Direct Printing. The current transmitters in place are Nautel NX2500TT/6. The transmitter is the only piece of equipment to be replaced. Therefore, the new transmitter must interface with the existing equipment and AC power in the same physical location. The efficiency shall be of at least 70% from the AC power input to the RF output. The power supply of each transmitter shall operate on 208 VAC, 3-Phase,60 Hz electric power. The power supply shall have the ability to compensate for power variations of +/-3%. The transmitter shall shut down any time the AC power exceeds +/-10% of normal power. The exciter section shall have a frequency tolerance of +/- 85 Hertz from 518 kHz and adjustable output power from 500 W to 2.5 kW with a 50 OHM load impedance. There shall be an alarm mechanism that protects transmitter and sounds or displays an alarm if the voltage standing wave ratio is equal to or exceeds a ratio of 2.0:1. The physical dimensions shall not exceed 24"w X 36"d X 80"h. The transmitters shall have an interface capability with the following equipment: Input -- - Nautel NAX51 Computer Remote Control Unit and Output -- - Nautel NX4000TUT Automatic Tuning Unit. The SIC Code for this acquisition is 3663. Direct all responses to this notice in writing to the attention of Ms. Xiomarys Vargas, Facsimile number (757) 628-4134 or via E-mail Address: Xvargas@mlca.uscg.mil. All correspondence concerning this acquisition shall reference the Request For Proposal (RFP) No. DTCG84-98-R-3TL031. "This Notice is for informational purposes for Minority, Women-Owned, and Disadvantaged Business Enterprises (DBEs): The Department of Transportation (DOT), Short-Term Lending Program (STLP) offers working capital financing in the form of lines of credit to finance accounts receivable for transportation related contracts. The maximum line of credit is $500,000 with interest at the prime rate. For further information call (800) 532-1169. Internet address: http://osdbuweb.dot.gov." See Note 22. (0153)

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