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Size: 1519
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Size: 1485
Comment:
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| === ARSR-4 and ASR-11 Radars === [[attachment:AAPG_ICD_v44-2.pdf | NWS Supplemental Product Generator (SPG)for the ARSR-4 and ASR-11 Radars Product Specification & Interface Control Document]] |
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[[attachment:AAPG_ICD_v44-2.pdf | NWS Supplemental Product Generator (SPG)for the ARSR-4 and ASR-11 Radars Product Specification & Interface Control Document]] |
Radar
SSPS Interference with Airport Radar
ARSR-4: Air Route Surveillance Phased array Radar
ASR-11: Airport Surveillance Radar, Terminal Area
( AN/GPN-30 )
PSR Probability of Detection: The PSR shall be capable of detecting a 1.0 m2 Radar Cross Section (RCS), Swerling 1 target to a range of 55 nmi in the clear and at the nose of the beam with a single scan Pd of 0.8 and a Probability ofFalse Alann (PFA) of 10-6 •
Operational Subclutter Visibility: Operational SCV shall be 42 dB minimum at all ranges for nonfluctuating targets.
|
ARSR-4 |
ASR-11 |
Band |
L Band |
S Band |
Peak Power |
|
25 kW |
Average Power |
|
2.1 kW |
Wavelength cm |
21.4-24.7 |
10.3-11.1 |
Frequency GHz |
1.21-1.39 |
2.7-2.9 |
Polarization |
Linear |
Linear |
|
Circular |
Circular |
Beam width |
1.41° |
1.41° |
Beam Elevation |
2.2° |
4.8° |
Coverage nm |
250 nm |
60 nm |
Coverage km |
463 km |
111 km |
Scan period |
12 sec |
12 sec |
Weather map |
36 sec |
|
# deployed |
43 |
213 |