Television Infrared Observation Satellite allow integration of additional payloads. A change from the TIROS-N through NOAA-D spacecraft was that spare word locations in the low bit rate data system TIROS Information Processor (TIP) was used for special instruments such as the Earth Radiation Budget Satellite (ERBE) and SBUV/2. The search and rescue (SAR) system became independent, utilizing a special frequency for transmission of data to the ground. Television Infrared Observation Satellite TIROS, or Television Infrared Observation Satellite, is a series of early weather satellites launched by the United States, beginning with TIROS-1 in 1960. TIROS was the first satellite that was capable of remote
The Weather Channel systems to the IntelliStar, which incorporates "Vocal Local" to announce current conditions, weather bulletins and detailed local forecasts. Subscribers of satellite, IPTV and some smaller cable providers originally saw only a roundup of local TWC-sourced forecasts for major cities across the U.S., as well as national and regional satellite and radar images, and severe weather watch and warning maps when active. However, satellite customers with newer systems or interactive TV receivers have the choice of "roundups" or localized forecasts. For both cable and satellite viewers, popular music (formerly smooth jazz) plays in the background during these segments. Some older WeatherStar