|Bus||I-3K (I-3000) Bus|
|Launch date||22 Dec 2005, 04:2 IST|
|Launch site||French Guyana|
|Dimensions||2.8 x 1.7 x 2.0 m|
|Orbital period||24 hrs|
|Transponders||12 Ku band & 12 C-band|
For Ku band Uplink 14.00 - 14.50 GHz (V) Downlink 10.95 – 11.20 GHz (H) & 11.45 – 11.70 GHz (H)
For C-Band Uplink 5950 – 6410 MHz (V)Downlink 3725 – 4185 MHz (H)
|Twta output||140 watts & 63 watts|
|EIRP||51 dbW & 38 dbW|
INSAT-4A, is the first one in INSAT-4 Satellites series, provides services in Ku and C-band frequency bands. It is the heaviest satellite India has launched till date. The Ku transponders cover the Indian main land and C-Band transponders cover an extended area. It has a dozen Ku transponders and another dozen of C-band transponders. This spacecraft is placed at 83o E along with INSAT-2E and INSAT-3B, by Ariane launch vehicle (ARIANE5-V169)
INSAT - 4A is a communication satellite intended for providing high quality television, telecommunication, broadcasting services and is the first satellite to be launched in the INSAT-4 series. Tata Sky, a joint venture between the TATA Group and STAR uses INSAT-4A for distributing their DTH service.
INSAT 4A was launched by Ariane-5 launch vehicle of Arianespace on 22 Dec 2005 at 4.22 am IST from Kourou, French Guyana.It was placed into a Geosynchronous Transfer Orbit (GTO), 30 minutes after the lift-off in 3-axis stabilized mode, with a perigee (nearest point to earth) of 859 km and an apogee (farthest point to earth) of 36,055 km.Its co-passenger on board was Meteosat-9 of EUMETSAT.
- 12 Ku band transponders
- 12 C-band transponders