Characteristics:
1. Conform with Intelsat, Eutelsat Requirements;
2. Carbon fiber reflector, high strength, light weight;
3. Good cross polarization, low sidelobe, high efficiency;
4. Convenient and quick dismounting & adjustment;
5. Convenient & quick dismantling and adjustment, finishing installation in twenty minutes (without tool);
6. Adopt the "Three-proof " measures, modern production process, meet various field work environment;
7. 6 Pieces panel, narrow&light in collection.
Standard configuration
Feed and duplexer, antenna panel, antenna turntable and support, azimuth and elevation adjusting device, compass and special packing;
Optional
BUC, LNB, Modem, soft waveguide.
Electrical performance |
NS-SKa-370 |
TX |
RX |
Frequency range |
27.1 ~ 31.0 GHz |
17.7 ~ 21.2 GHz |
Gain |
58.63 dBi @29.75 GHz |
55.16 dBi @19.95 GHz |
Polarization |
circular |
Cross polarization isolation |
≥35 dB |
axial ratio |
2 port |
1.5 |
1.5 |
4 port |
0.5 |
0.5 |
VSWR |
1.25:1 |
Noise temperature |
10° |
/ |
19 K |
30° |
76 K |
50° |
71 K |
G/T ( El.>10°) |
/ |
30.6 dB/K (130°LNA) @19.95 GHz |
-3dB beamwidth |
0.19° |
0.28° |
insertion loss |
≤ 0.6 dB |
≤ 0.6 dB |
TX/RX Isolation |
≥85 dB |
First Sidelobe |
≤-14 dB |
Structural Performance |
Antenna size |
3700mm |
Feed interface |
WR-28 |
WR-42 |
Antenna Type |
Ring focus antenna |
Reflector accuracy |
≤ 0.3mm (R.M.S) |
weight |
Manual |
580Kg |
Electric |
750Kg |
Antenna motion range |
EL |
Manual 5 ° - 90 ° continuous Limiting 5 ° - 90 ° continuous |
AZ |
Manual 0 ° - 360 ° continuous Limiting ± 90 ° (two gears), continuous rotation at 100 ° Electric 5 ° - 355 ° continuous |
POL |
Manual 0 ° - 360 ° continuous Limiting ± 90 ° (two gears), continuous rotation at 100 ° Electric ± 90 ° |
Carrier motion range |
EL |
Electric 0.05 °/s controller selection speed, 0.01 °/S step |
AZ |
Electric 0.06 °/s controller selection speed, 0.01 °/S step |
POL |
Electric 0.05 °/s can be customized within the range of 0.01 ≤ V ≤ 0.5 |
Optional |
Antenna controller/deicing device/feed source snow (rain) blowing/anti bird pecking device/feed source inflation system/outdoor unit bracket/movable foundation/lightning protection device |
Environmental Characteristics |
Operation Temperature |
'- 40°C~+ 60ºC |
Relative humidity |
100% |
wind speed |
Accurate working |
Conventional antenna 72Km/h Enhanced antenna 100Km/h |
Reduced precision work |
Conventional antenna 100Km/h Enhanced antenna 120Km/h |
Antenna stow status |
Conventional antenna 120Km/h Enhanced antenna 200Km/h |
Solar radiation |
1135Kcal/h/m² |
Ice and snow load |
13mm ice wrapping works normally; 25mm ice wrapped without damage |