TPS-75 Background Paper.pdf
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- Command and Control (C2) CAT and CWD Federal contract opportunity
- Solicitation number
- FA4890-20-R-0003
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This notice solicits proposals for a Command and Control contract to provide contract academic training, courseware development, distance learning architecture services, training system support, and staff support services to Control and Reporting Centers, Battle Control Centers, Air Operations Centers, and Tactical Air Control Parties located across multiple Air Force major commands. The contractor shall furnish all required personnel, equipment, materials, and services except as identified in the Performance Work Statement. This is a 100% small business set-aside solicitation with a North American Industry Classification System code of 611512 and small business size standard of $30 million. Proposals are due by December 11, 2019 and award is expected on or around April 1, 2020. The incumbent contractor provides these services.
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UNCLASSIFIED/FOUO
Bullet Background Paper On the
AN/TPS-75 RADAR
The AN/TPS-75 system is an upgrade of the AN/TPS-43/70 family of radars with significantly better electronic protection measures, increased performance, and enhanced reliability and maintainability. It employs the Ultra-Low Side Lobe Antenna (ULSA) which decreases side lobe emission by more than 50 percent and considerably reduces vulnerability to anti-radiation missiles. The radar uses Barker Phase Coded pulses to increase range accuracy and resolution. Pulse-to-pulse frequency diversity is used to decrease vulnerability to jamming using Jamming Analysis Transmission Selection (JATS). The TPS-75 born out of the TPS-43E upgrade was under the USAF “Seek Screen”, beginning in FY88. The TPS-75 is the organic sensor of the Control and Reporting Center (CRC) and element of the Theater Air Control Center
(TACS).
(U) Long Range, Wide Area Surveillance System, Deployable and Transportable System.
(U) Originally produced by Westinghouse Defense and Electronic Division, which was later purchased by Northrop-Grumman.
Dimension of the antenna (i.e., sail) – 11ft by 18ft 4in
(U) Primary sensor system for the CRC
(U) Passive electronically scanned array air search 3D radar
(U) Transmitter Capable of transmitting 5-Megawatts of power (Although 5-Megawatts is almost never achieved; realistically it is approx. 2.8 Megawatts)
(U) 360O Coverage, 10 second sweep/6.5 scan rate
(U) Ultra Low Side Lobe Antenna (ULSA)
(U) Merge/post merge tracking limited
(U) IFF Modes (UPX-37)
(U) Pulse Width 6.8+/-0.25 micro-secs
(U) Elevation Angles: 0.5 to 20 degrees above RADAR horizon
(U) Type -seven logarithmic channels
(U) Sensitivity - negative 105 dB mds
(U) Dynamic range - 70 dB search, 70 dB height
(U) Intermediate frequency - 32 MHz
(U) Sensitivity – negative 105dB mds
(U) TPS-75 “system package:” RADAR Antenna, RADAR Van (S-280 shelter that houses the transmitter, receiver processors, and displays), and the power unit.
(U) Typical road convoy configuration: one M-939 series 5-ton truck pulling the radar van with the radar antenna in the bed of the truck and a support M-939 pulling an AN/MJQ-1632 400 Hz power plant.
(U) Antenna weighs app. 8,400lbs and Shelter weighs app 7,400lbs
(U) Ground Transportable; M-939 series truck (towed or bed mounted)
(U) Air Transportable: Helo, C-17, C-5, and C-130
(U) Once on site: Crew of six can establish operations in 90 minutes
(U) Maximum Range: 240nm
(U) Maximum Altitude: 95,000ft
(U) Operating Frequency Band: 2.9GHz to 3.1GHz (E/F Band)
(U) Frequency Agile across 16 separate Frequencies
(U) Multiple Frequency Dwell & Selection Algorithms
(U) Pulse Repetition Frequency (PRF) Agile:
https://www.radartutorial.eu/19.kartei/11.ancient/karte020.en.html https://www.radartutorial.eu/08.transmitters/Intrapulse%20Modulation.en.html https://www.radartutorial.eu/08.transmitters/Intrapulse%20Modulation.en.html https://www.radartutorial.eu/01.basics/Radars%20Accuracy.en.html https://www.radartutorial.eu/01.basics/Range%20Resolution.en.html https://www.radartutorial.eu/19.kartei/11.ancient/karte020.en.html https://en.wikipedia.org/wiki/Northrop-Grumman
(U) 235, 250, 275 +/- 0.5 Hz fixed, and two selectable average PRFs; 250 and 275 staggered.
(U) For each staggered selection, the transmitter operates sequentially on one of seven PRFs.
(U) Polarization: vertical beam width - 1.1 degrees horizontal and 1.55 degrees to 8.1 degrees with a total of 20 degrees (6 stacked beams)
(U) Range Resolution: 500ft
(U) Azimuth Resolution: 1.1O
(U) Altitude Accuracy:
(U) +/- 2000ft at 100nm
(U) +/- 3000ft at 175nm
(U) Employment: 1x TPS-75 system with personnel and support equipment constitutes a Deployable
RADAR (DR)
(U) Active Duty assigned 2x TPS-75s = 2x DRs per CRC
(U) ANG assigned 1x TPS-75 = 1x DR per CRC
(U) Original System was delivered with the AN/TLQ-32 ARM Decoy (3x per RADAR)
(U) Tobyhanna Army Depot is part of the U.S. Army CECOM Life Cycle Management Command, Headquartered at Tobyhanna Army Depot, PA, is the maintenance support facility for the TPS-75.
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