INSAT - 3B ( Special Series 2 )
| What is the purpose of INSTAT-3B ? |
| It is intended for business communication, Developmental communication and mobile communication. |
| What is the provision of communication payload? |
| It provides 12 extended C-band channels, each having a bandwidth of 36MHz. |
| What is the provision of Ku-band payload? |
| It provides three channels, Having a bandwidth of 77/72 MHz. |
| How much power is provided for C-band transponders? |
| 15 Watt. |
| How much power provided for Ku-band? |
| 55 Watt. |
| What is VSAT ? |
| Very Small Aperture terminal. |
| Who are the users of VSAT ? |
| These are booking & financial institutions, stock markets, white goods, fast moving consumer goods, and medium to heavy engineering companies. |
| What is MSS ? |
| Mobile satellite Service. |
| What is LAM? |
| Liquid Apogee Motor. |
| During first orbit raising, what was the final perigee altitude ? |
| It was 14214.km. |
| What is thrust developed by LAM ? |
| 440 N. |
| What are the apogee & perigee of second Intermediate Orbit of INSAT-3B ? |
| Apogee - 35662 km. Perigee-32012 km. |
| What are the parking locations of various INSAT-satellites in geostationary orbit ? |
| ( a ) INSAT -2B & INSAT-2C are collocated at 93.5 degree east longitude.
( b ) INSAT -ID and INSAT -2A are collocated at 74 degree east longitude. ( c ) INSAT -2DT is located at 55 degree east longitude. ( d ) INSAT -2E & INSAT -3B are collocated at 83 degree east longitude. |
| What is the dry mass of INSAT-3B ? |
| It is 970 kg. |
| What are the various tests performed over INSAT - 3B ? |
| These are vibration test, solar array deployment test, balancing machine test, CG measurement test, acoustic test and thermovacuum test. |
| What are the important abbreviations? |
| IRS- Indian Remote-sensing satellite INSAT- Indian National Satellite
SROSS - Stretched Rohini Satellite Series PSLV- Polar Satellite Launch Vehicle GSLV - Geosynchronous Satellite Launch Vehicle |
| To what tank is the special propellant management device attached ? |
| It is attached to an indigenously developed titanium propellant tank and it ensures bubble - free propellant supply under zero-G environment. |