Telephonics Corporation
R ADAR SYSTEMS D IVISION
1-22 TM113806 (3/10)
1.4 LEADING PARTICULARS
The leading particulars of the RDR-1700A Radar System are listed in Table 1.4-1.
Table 1.4-1
Leading Particulars
CHARACTERISTIC DESCRIPTION
SYSTEM
Power Requirements 28 VDC, 9 Amps, 252 Watts with dual indicators.
115 VAC, 400 Hz, 220 mA, 25.3 Watts
5 VDC or VAC (aircraft lighting), variable to 40 mWatts
Weight See outline drawings in Section 2 of this Installation Manual
for weights and dimensions of individual units and mounting
trays.
Weather Avoidance Range > 160 NM (per RTCA/DO-173)
Beacon Interrogation Range > 160 NM (SST-181)
Beacon Reception Range > 160 NM (SST-181)
Terrain Mapping Range
(mountain ranges, coastlines)
> 160 NM
Sea Search Detection Range
Snorkel
Fishing Boat (approximately 20 feet)
Trawler (approximately 160 feet)
Freighter (approximately 360 feet)
Radar Cross-Section
Sea-State Detection Range
5m
2
3 5 NM
20m
2
3 15 NM
200m
2
3 27 NM
1000m
2
5 45 NM
Note: Actual Performance is dependant on the antenna size that is
used, the platform altitude, and radar operating mode.
Sensitivity
Weather (long pulse)
Search
Long Pulse (2.35 ms)
Medium Pulse (0.5 ms)
Short Pulse (0.1 us)
Beacon:
-107 dBm
-107 dBm
-101 dBm
-94 dBm
-85 dBm
Suppression Pulse
Output Amplitude
Pulse Length
Long Pulse
Medium Pulse
Short Pulse
9 ± 2 V
10.4 (-1.0μs, +4.6 μs)
5.6 (±1.6μs)
5.6 (±1.6μs)
The document reference is online, please check the correspondence between the online documentation and the printed version.
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