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NovAtel L1 GPS/ L1 GLONASS Model 504
Technical Specifications
- Electrical -
Frequency: 1575 ± 10 MHz (GPS L1)
+ 1602.0 to + 1615.5 MHz (GLONASS L1)
Out-of-band
rejection:
20 dB @ 250 MHz
Antenna elev.
pattern:
θ = 90°: + 6.5 dBic (typical)
(0° = zenith) 20° ≤ θ < 90°: - 1.0 dBic to 6.5 dBic (typical)
5° ≤ θ < 20°: - 4.0 dBic to 0.0 dBic (typical)
0° ≤ θ < 5°: - 4.5 dBic to - 3.0 dBic (typical)
θ = 0°: - 4.5 dBic to - 3.5 dBic (typical)
LNA gain: 26 ± 2 dB
Polarization: Right-hand circular
Noise figure: ≤ 2.5 dB
Radiation coverage: 0° < θ < 75°: - 1.0 dBic (typical)
(90° = zenith) 75° ≤ θ < 80°: - 2.5 dBic (typical)
80° ≤ θ < 85°: - 4.5 dBic (typical)
θ = 90°: - 7.5 dBic (typical)
θ = 0°: 4.0 dBic (typical)
Nominal impedance: 50 OHMS
VSWR: ≤ 2.0:1
Power requirements: ≤ 50 mA @ +4.5 to + 18 V DC
40 mA (typical) @ 5.0 V DC
Power handling: ≤ 1 W
- Mechanical & Environmental -
Finish: Weatherable polymer
Weight: ≤ 425 g (20 oz)
Altitude: 6096 m (20,000
’)
Temperature: -40°C to +70°C (-40°F to 158°F)
Mechanical Drawings
178
79
MAX
TNC FEMALE
CONNECTOR
GROUND PLANE
LEVEL
PHASE CENTER
MEAN ELECTRICAL
PHASE CENTER
NAMEPLATE
AeroAntenna Technology Inc.
Chatsworth, Ca.U.S.A
GPS ANTENNA
P/N AT2775-19NK S/N
PHASE CENTER LABEL
L1 Only
Mean Phase Center
f
Top View
Side View
Bottom View
LOGO
(ALIGN TOWARDS NORTH)
5/8 - 11 UNC ADAPTOR
(Illustration only, may change)
48.62
44
PHASE CENTER
48.62
45.57
Note: All dimensions in millimetres except for thread size.