NOAA POES High Resolution Picture Transmission (HRPT)
The NOAA POES series of satellites transmit high resolution pictures from the AVHRR (main radiometer) and additionally, data from AMSU (Advanced Microwave Sounding Unit), HIRS (High-resolution InfraRed Sounder), SEM (Space Environment Monitor) and, for NOAA 19 only, MHS (Microwave Humidity Sounder) instruments over an HRPT link.
The signal is PSKPhase-Shift Keying modulated at 665 kbit/sKilobits per second (kbps).
The main payload of HRPT is AVHRR data composed of six channels in the visible, near-infrared and infrared spectrum; only five of those can be transmitted together at a given time.
The data are digitized to 10-bit precision and transmitted at 360 lines per minute (LPM) at 665 kilobits per second (kbpsKilobits per second (kbps)). The HRPT data stream also includes non-imagery data from other instruments on board the spacecraft.
- 6 channels from AVHRR radiometer (5 at the same time)
- 15 channels from AMSU-A sounder
- 20 channels from HIRS sounder
- 5 channels from MHS
- Data from SEM (Space Environment Monitor)
- Data from TIP (TIROS Information Processor)
- Spacecraft RTC (Real Time Clock)
- Spacecraft telemetry and monitoring (TLM)
- Right-hand circular polarization
- Phase shift keying modulation
- 3 MHzMegaHertz (MHz) 10^6 Hz bandwidth
- Transmit power 7 watts (1.5 watts for NOAA 15)
Satellites transmitting HRPT
|NOAA 15||1702.5 MHzMegaHertz (MHz) 10^6 Hz||Very weak|
|NOAA 18||1707 MHzMegaHertz (MHz) 10^6 Hz|
|NOAA 19||1698 MHzMegaHertz (MHz) 10^6 Hz|