Page 2-4
500 SERIES INSTALLATION MANUAL
Page Rev. B
P/N 190-00181-02
Qualified GPS Antenna
This antenna must be one of those listed in the accessories list, or meet the following requirements:
1.
DO-160C Environmental Conditions
The antenna shall meet the environmental conditions listed below and shall conform to the test requirements
of RTCA DO-160C.
Environmental Condition Category Description
Temperature
(operating)
F2
-55 to +70
o
C
(ground survival)
F2
-55 to +85
o
C
Altitude
F2
55,000 feet
Temperature Variation
A
10
o
C per minute
Humidity
C
95% at +55
o
C
Vibration
CLMY
Turbo/Reciprocating/Helicopter
Waterproofness
S
Continuous Stream
Fluids
F
Deicing Fluid
Lightning
2A
Direct Effects
Icing
C
0.15” thick
2.
Electrical Characteristics
LNA Supply voltage
4.5 ± 0.5 V
DC
LNA Supply Current
20 mA Maximum
LNA Operating Frequency
1575.42 ± 2.00 MHz
LNA Gain
20 dB Maximum, 12dB Minimum
LNA Noise Figure
3.0 dB Maximum
LNA Output VSWR (50
Ω
)
2:1 Maximum
LNA Input power at -1 dB Gain Compression
-6 dB Minimum
LNA Bandwidth
(-3 dB)
40 MHz Maximum
(-20 dB)
100 MHz Maximum
(-40 dB)
250 MHz Maximum
3.
Radiation Characteristics
Polarization
RHCP
Operating Frequency
1575.42 ± 2.00 MHz
Gain
(on axis)
2.0 dBic Minimum
(at 160
o
beam width)
-6.0 dBic Minimum
Cross Pole Gain (LHCP)
(on axis)
-8 dBic Maximum
(at 160
o
beam width)
-9 dBic Maximum
4.
Mounting Requirements
Cable connection
BNC Female
Mounting studs
Four 8-32 UNC-2A studs 0.50” long
