Island and Christmas Island. Low Earth orbit , around 2300 satellites have been launched for Starlink and 400 for the OneWeb satellite constellation. SpaceX reported 250,000 users of its Starlink system. In oceanography and in seismology Satellite communications are used for data transmission, remote instrument diagnostics, for physical satellite and oceanographic measurements from the sea surface (e.g. sea surface temperature and sea surface height) to the ocean floor, and for seismological analyses. See also Back-channel and return channel DishNET (satellite Internet access in the United States) HughesNet (formerly DIRECWAY) IP over DVB Lamit Company NetHope#NetReliefKit SES Broadband (satellite Internet access in Europe) StarBand Teledesic Tooway TS 2 Very small aperture terminal Viasat Inc. (Excede Internet) Wireless Internet Service Provider References External links ViaSat/TIA Satellite Equipment Systems Standardization Efforts Broadband