MODIFICATION
58 -- Analog Microwave Down-Link transmit Pkg
- Notice Date
- 8/14/2003
- Notice Type
- Modification
- Contracting Office
- Department of Justice, Drug Enforcement Administration, Office of Acquisition Management, None, Washington, DC, 20537
- ZIP Code
- 20537
- Solicitation Number
- 03-AA-0026(mjs)
- Response Due
- 8/15/2003
- Archive Date
- 8/30/2003
- Point of Contact
- MaryJean Skinner, Contract Specialist, Phone (202) 307-7809, Fax (202) 353-9668,
- E-Mail Address
-
mjskinner7@hotmail.com
- Description
- ***THIS IS NOT A MODIFICATION*** *********THIS IS A SPECIAL NOTICE*********** DUE TO A TECHNICAL DIFFICULTY IN UPLOADING THE COMBINED SYNOPSIS/SOLICITATION, THE QUESTIONS AND ANSWERS ARE LISTED BELOW: 1. If the equipment is required to receive signals in ?S? band and then re-transmit the video in ?S? band, will the government specify the channels to be used, insofar as minimum spacing between transmit and receive is concerned? Spacing of channels will dictate filter design and/or feasibility of the in-band repeat function. There is only room for four 25 MHz wide channels in the ?S? frequency band used by D.E.A. (2210, 2235, 2260, and 2285 MHz), necessitating special filters and spacing requirements. Answer: Yes, as stated ?the exact frequencies for the L and S band receivers and S band transmitter to be provided upon award of contract? 2. What standard of encryption will be required? Will the encryptors have to be compatible with Macrovision VES-TM programmable encryptors now used by D.E.A.? Answer: ?Analog encryption device capable of providing level three encryption? 3. Is the gain of the omni transmitting antenna 6 db with reference to a dipole (dbd) or referenced over isotropic (dbi)? Answer: The gain should be measured in dbi. 4. Is the transmit antenna required to be linear or circularly polarized? If it is to be used in an omni radiation configuration, are you aware that the transmission of video from an airborne platform in one of the major metropolitan cities (such as Los Angeles) would most likely result in interference to existing line-of-site surveillance activities now used by D.E.A. and F.B.I.? Various other federal agencies use the ?L? and ?S? band frequencies for fixed microwave link activities as well. Due to their altitude and corresponding enhanced coverage, airborne platforms have traditionally used a GPS-driven directional antenna pod to direct the signal and minimize interference. The ground-based video surveillance links in use in cities like Los Angeles would likely experience detrimental interference if a 10-watt omni signal was lit up from an aircraft at a 2,000-foot altitude. The D.E.A. ? Los Angeles HIDTA office has four high performance, steerable receive systems on two 5,000-foot mountain top sites that are in constant use and would experience such interference. The F.B.I. has similar systems. Answer: The transmit antenna is required to be an omni-directional with minimum 6 db capability with right-hand circular polarization. To minimize interference an additional transmit antennae with capabilities to transmit locally within a 5 mile radius of aircraft shall be included in proposal enabling transmission via either the additional antennae within 5 miles or the omni-directional antennae within 25 miles. 5. Does the 25-mile range requirement ?utilizing a directional fixed antenna? apply to receiving a signal in the aircraft, or to receiving the signal at a remote site? If intended for a remote site, this would conclude that the aircraft would always have to fly to a pre-determined spot to be able to have a signal ?seen? by the ?fixed mounted? antenna at the receive location. If a fixed antenna is assumed on the aircraft, then the system would not be omnidirectional. Please clarify. Answer: The ?directional fixed mounted reception antenna? is not to be provided by offeror ? only used to demonstrate acceptable range capabilities of airborne equipment. 6. For the aircraft installations, how many systems are to be bid on? Is there to be a complete, permanent equipment installation on each aircraft, or is this only one system built to be portable between them? If portable, will each aircraft have its own antenna installation and wiring with subsequent FAA approval documentation, such as 337?s, etc.? Or is the entire system meant to be completely portable? Even in a portable configuration, some permanent wiring for power, antennas, etc. will have to be installed and FAA approved. Placing antennas outside the aircraft via a window or open door and temporarily affixing them to the aircraft would be inappropriate according to FAA regulations, as they might affect flight characteristics. Answer: At the present time the commitment is for one system. At the present time consider this system to be a permanent installation. 7. Does the 90-day delivery time requested include all FAA documentation to be completed within that time frame? Some of the aircraft manufacturers listed are slow to respond to engineering requests, and due to the installation modifications that might be required, it would be highly unlikely that FAA documentation and approvals could be obtained within the proposed time frame. The BO-105 is made by Eurocopter, with its roots in Germany. Experience has shown them to be resistive to approvals for their aircraft, insofar as modifications are concerned. If the 90-day delivery time is to include FAA documentation, could the Messerschmidt-Boelkow BO-105 be excluded pending paperwork, due to unforeseen manufacturer delays in engineering and documentation requests? Answer: The 90 day delivery timeframe includes all FAA documentation and all aircraft referenced in the solicitation. No aircraft will be excluded from this requirement.
- Place of Performance
- Address: Ft. Worth, TX
- Record
- SN00401344-W 20030816/030814214108 (fbodaily.com)
- Source
-
FedBizOpps.gov Link to This Notice
(may not be valid after Archive Date)
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