Tags: Artificialsatellite, Satellite.
NOAA-15 (designated NOAA-K before launch) is one of the NASA-provided TIROS series of weather forecasting satellite run by NOAA. It was launched on 13 May 1998 and is currently operational in a sun-synchronous orbit 807 km above the Earth orbiting every 101 minutes. It hosts the AMSU-A and AMSU-B instruments the AVHRR and High Resolution Infrared Radiation Sounder (HIRS/3) instruments as well as a Space Environment Monitor (SEM/2).APT transmission frequency is 137.62 MHz.
