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Some of the free software mentioned here does not have detailed maps (or maps at all) or the ability to follow streets or type in street names (no geocoding). However, in many cases, it is also that which makes the program free (and sometimes open source [ 1 ] ), avoid the need of an Internet connection, [ 2 ] [ 3 ] [ 4 ] and make it very ...
This is a list of the free-to-air channels that are currently available via satellite from SES Astra satellites (Astra 2E/2F/2G) at orbital position 28.2 °E, serving Ireland and the United Kingdom. Sky and Freesat use these satellites to deliver their channels.
Oceansat-1 or IRS-P4 was the first Indian satellite built primarily for ocean applications. It was a part of the Indian Remote Sensing Programme satellite series. The satellite carried an Ocean Colour Monitor (OCM) and a Multi-frequency Scanning Microwave Radiometer (MSMR) for oceanographic studies.
North American frequency assignments differ from those used in Europe and other countries. Typically, the lower half of the Ku band contains communications satellites and free-to-air or ethnic-language programming, using linearly-polarised LNBs; the upper half of the Ku band contains circular-polarised direct broadcast satellite signals.
OceanSat-1 was the first Indian satellite built specifically for oceanographic applications. The satellite carried an Ocean Colour Monitor (OCM) and a multi-frequency scanning microwave radiometer. [3] Oceansat-1 was launched on board a PSLV rocket on 26 May 1999. [4]
As the customer needs, it can be used in single or multi-frequency mode. As the ocean has a rough surface, when a high frequency signal reaches the ocean surface, a portion of the incident energy is scattered back towards the source and the receiver measures the reflected signal.
Since 2005, digital services have been available across the entire country. South Korea also developed its own mobile TV standard called DMB, Digital Multimedia Broadcasting, based on the European technology af Digital Audio Broadcasting (DAB). It has a satellite, subscription-based, version (S-DMB), and a free, terrestrial version (T-DMB).
3. Space Segment: composed of at least three geostationary satellites broadcasting corrections and integrity information for GPS satellites in the L1 frequency band (1575.42 MHz). This space segment configuration provides a high level of redundancy over the whole service area in the event of a failure in the geostationary satellite link.