| Antenna Performance |
Parameter |
Value(s) |
Antenna Type |
One-piece precision offset thermoset-molded reflector. |
Reflector Material |
Glass Fiber Reinforced Polyester |
Mount Type |
Elevation over Azimuth |
Elevation Adjustment Range |
10°- 90° Continuous |
Azimuth Adjustment Range |
|
Drive mechanism |
IPSTAR Satellite Acquisition System ? |
Wind Loading |
Operational 72 km/h
Survival 200 km/h (stowed) |
Temperature |
-50° C to 80° C |
Effective Apurture |
1.2m (48 in) |
Operating Frequency |
Tx: 13.75-14.50 GHz
Rx: 10.70-12.75 GHz |
Polarization |
Linear |
Gain (+/- .3dBi) |
Tx: 43.3 dBi @ 14.25GHz
Rx: 41.8 dBi @ 11.95GHz |
3 dB Beamwidth |
Tx: 1.2° @ 14.3 GHz
Rx: 1.5° @ 12 GHz |
Sidelobe Envelope (Tx, Co-Pol dBi ) |
Mainbeam < Ø < 20° = 29-25 log Ø
20° < Ø < 26.3° = -3.5
26.3° < Ø < 48° = 32-25 log Ø
48° < Ø < 180° = -10 |
Antenna Cross-Polarization |
> 30 dB (on axis) |
Antenna Noise Temperature |
10° El = 45° K
20° El = 37° K
30° El = 34° K |
VSWR |
Tx: 1.3:1
Rx: 1.5:1 |
Isolation, Port-to-Port |
Tx: 35 dB
Rx: 110 dB |
Feed Interface |
Tx/Rx: WR75 Cover Flange |