Railway Science (Science and Technology – Satellites)

The Indian Space Research Organisation is the national space agency of India operating under the Department of Space which is directly overseen by the Prime Minister of India.
ISRO functions in the following areas: broadcasting, weather forecasting, disaster management, geographic information systems, navigation, cartography (maps), telemedicine, distance education satellites, etc.

The Indian Space Research Organisation (ISRO) developed the Indian Regional Navigation Satellite System (IRNSS) with its operational name of NAVIC (Navigation with Indian Constellation).
Frequency - S-band and L5-Band. Quasi-Zenith Satellite System (QZSS) - Japan, Global Navigation Satellite System (GLONASS) - Russia, Doppler Orbitography and Radio - positioning Integrated by Satellite (DORIS) - France.

Sriharikota, Polar Satellite Launch Vehicle PSLV-C52 injected Earth Observation Satellite EOS-04, into an intended sun synchronous polar orbit of 529 km altitude on February 14, 2022 from Satish Dhawan Space Centre, SHAR, Sriharikota. Bhubaneswar is the capital of Orissa, Thiruvananthapuram is the capital of Kerala, Thumba is a beach in Kerala.

'Sindhu Netra', a satellite built by the DRDO(The Defence Research and Development Organisation) to track the operations of military and merchant navy ships in the Indian Ocean Region.
DRDO was formed in 1958. Polar Satellite Launch Vehicle (PSLV) is the third generation launch vehicle of India. It is the first Indian launch vehicle to be equipped with liquid stages.

RISAT (Radar Imaging Satellite) is a series of Indian radar imaging reconnaissance satellites built by ISRO. Kalpana-1 was the first dedicated meteorological satellite launched by Indian Space Research Organisation (ISRO). Oceansat is a series of earth observation satellites built, launched, and operated by ISRO. ISRO was formed on August 15,1969.

The PSLV-C51 is the 53rd mission of the Indian Polar Satellite Launch Vehicle (PSLV) program. The Polar Satellite Launch Vehicle (PSLV)-C51 was launched on 28 February 2021 with the main payload from Brazil.

APPLE (Ariane Passenger Pay load Experiment):- It was successfully launched by Ariane-1, from Kourou, French Guiana on 19 June 1981. Aryabhatta is India's first satellite. Mars Orbiter Mission (MOM) is India's first Mars mission. Rohini (July 18, 1980 ) launched from Sriharikota Range. India's first satellite launched from an Indian -made launch vehicle.

GPS Aided Geo Augmented Navigation (GAGAN) was developed to provide the best possible navigational services over the Indian FIR (Flight Information Region). GAGAN was developed jointly by the Indian Space Research Organization (ISRO) and the Airports Authority of India.
GAGAN SHAKTI was a highly professional and well-thought-out war drill. JATAN is a virtual museum builder software, which enables creation of digital collection management systems for Indian museums.

The Hyperspectral Imaging satellite (HySIS) is a small Earth observation satellite. GSAT-2 was an experimental communication satellite developed by the Indian Space Research Organisation.

INSAT-1B - It was an Indian communications satellite which formed part of the Indian National Satellite System. Type of Satellite - Communication, Manufacturer - ISRO, Owner - ISRO, Application - Communication Orbit Type - GSO (Geosynchronous Orbit).