atellite communication antennas - Satelliitti vastaanotin- ja lähetinantennit
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atellite communication antennas - Satelliitti vastaanotin- ja lähetinantennit
- 1. SATELLITE : SATELLITE COMMUNICATION ANTENNAS Box 22 Tel. +358 9 2790 120 http://www.aerial.fi 04401 Järvenpää Fax +358 9 2910 210 aerial@aerial.fi Finland SATELLITE COMMUNICATION ANTENNAS Type AS24 AS30 AS42 AS54 Gain at 11 GHz 47 dBi 48 dBi 50,9 dBi 53,1 dBi Beamwidth 0,8º 0,6º 0,43º 0,3º Efficiency 65 % 65 % 65 % 65 % Crosspol. discrimination 30 dB 30 dB 30 dB 30 dB First sidelobe -18 dB -18 dB -16 dB -17 dB Noise temperature at 20º elev. 45 K 43 K 40 K 40 K Focal length 910 mm 1200 mm 2160 mm 2160 mm Surface RMS error <0,5 mm <0,5 mm <1 mm <1 mm Operational windspeed 15 m/s 15 m/s 15 m/s 15 m/s Survival wind speed 55 m/s 55 m/s 55 m/s 55 m/s Dish diameter 2400 mm 3000 mm 4200 mm 5400 mm Weight 90 kg 165 kg 480 kg 600 kg Options Colour, heating, wind rating, different feed systems and frequency ranges available. Materials Aluminium reflector, Hot dip galvanized steel pedestal