Fleet and Industrial Supply Center, Norfolk Washington Detachment 901 M.Street, S.E. Bldg. 200 4th Flr., Washington Navy Yard, Washington, DC 203

59 -- ELECTRICAL AND ELECTRONIC EQUIPMENT COMPONENTS PURCHASE OF A HYDROGEN MASER SOL N00600-97-R-2574 POC For a copy of the solicitation, contact Customer Services Center, 202/433-2951 or you may fax in your request 202/433-9569; for additional information, contact Ayo H. Johnson, code 02W1.1F, 202/433-2970; Contracting Officer, Lisa Murtha, 202/685-1864. The Fleet and Industrial Supply Center Norfolk -- Detachment Washington, intends to purchase a Hydrogen Maser, qty 1, including installation and a minimum 18 month warranty, with an option for an additional 4 units. Delivery is FOB Destination at the US Naval Observatory in Washington, DC by 27 March 1999 (see solicitation for option delivery requirements). The maser shall have a stand alone frequency standard, with the ability to tune its cavity independently without the need for input from another standard. The masers must meet the following minimum requirements: Frequency Drift-less than 1.0E-15 per day; Stability frequency domain; Allan Variance, 2E-13 at one second going down as t^(-3/5) out to 1000 seconds, less than 3E-15 for 1000 to 10^4 seconds; Power Supply Sensitivity, <1E-14; Frequency Adjustments-Resolution of better than 1.0E-16 without phase discontinuity. Remote frequency adjust via RS232 connection; Magnetic Field Sensitivity -- less than 3E-14 per Gauss; Temperature sensitivity -- less than 1E-14 per degree Celcius; Barometric sesitivity -- less than 1E-14 per in. Hg; Power Supply -- AC 110 volt with 150 watt max. with automatic crossover to its own battery or external 24v DC power; Instrumentation, remote monitoring and control. Connection made with RS232 serial link. (0155)

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