Novatel GLONASS - Manual (Page 2)

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.