58 -- Antenna Switching Matrix

THIS NOTICE OF INTENT IS HEREBY AMENDED TO READ AS FOLLOWS: The United States Coast Guard (USCG) intends to enter into negotiations on a sole source basis with Delta Electronics, Inc., 5730 General Washington Drive, P. O. Box 11268, Alexandria, VA 22312. The proposed acquisition will be for (1) one each 18x18 and one each 20x16 SLS-4M Antenna Switching Matris upgrade. The Model SLS-4M Strip Line Switch is a manually or remotely controlled, medium power, RF switching matrix that connects source RF inputs to output loads in a DC to 300 MHz communication system. In addition to providing the RF switching circuits, the SLS-4M also provides an interlock circuit and an indicator circuit. A motorized Strip Line Switch is controlled remotely using a Delta Electronics supplied MCU-8CG remote control unit or a suitable customer-supplied remote control unit. (a) Frequency Range = DC to 32 MHz or DC to 300 MHz; (b) Impedance = 50 ohms Unbalanced; (c) Control Connector = 50 Pin ?D? Connector; (d) Interlock Relay Contract Rating = 90 VA; (e) Quality = [one] SLS-4M (18x18) and [one] (20x16). (2) three each MCU-8CG Matrix Control Unit upgrades for Honolulu, Hawaii, Boston, MA, and Kodiak, Alaska. The Model MCU-8CG Matrix Control Unit utilizes microprocessor logic to provide remoter control and status display of the model SLS-4M Strip Line Switches. The MCU provides keypad entry of the matrix control commands and a video display of the matrix status. The video display is either a schematic diagram of the RF paths through the switch matrix or a tabular listing of the transmitter and antenna connections.. The microprocessor logic used in the MCU-8CG facilitates adaptation of the program to meet special customer requirements, such as descriptive labels for transmitters and antennas, provisions for inter-matrix trunking control, control of antenna slew switches or rotatable antennas, and display of transmitter operating modes: (a) maximum Number of Sources/Loads = 40/40; (b) Operate Time = <.07 sec. after initiating the Enable Command; (c) maximum Confirm Time = <2.0 sec. after Enable Command; (d) RS-232-C Interface = 4 wire, selectable from 50 to 19200 baud. (3) Installation of the upgraded items in Honolulu, Hawaii, Boston, MA and Kodiak, Alaska. The applicable North American Industry Classification Standard (NAICS) code is 334220 with Size Standard in number of employees is 750. The items specified above are the only equipment that will meet the government?s requirements without impacting current system configurations, program schedules and/or functionality of equipment. No specifications, drawing or schematics are available and no equal or alternate part numbers shall be accepted. This notice of intent is not a request for competitive proposals. Interested parties may identify their interest and capabilities in response to this requirement. All capabilities statements received by 05 September 2007 will be considered by the Government. A determination by the Government not to compete this proposed requirement is based upon responses to this notice is solely within the discretion of the Government. THE GOVERNMENT WILL NOT PAY FOR COSTS INCURRED IN THE PREPRATION AND SUBMISSION OF DATA OR OTHER COSTS INCURREC IN RESPONSE TO THIS ANNOUNCEMENT.********************************NOTE 22 Applies*******************************