Basically, this means that a cheap $20 TV tuner USB dongle with the RTL2832U chipset can be used as a computer controlled radio scanner.Īfter a long trial and error process with different antennas finally I am surprised with APT signal reception from my simple ground plane antenna which is made from coat hanger.I don’t no more technical stuff about antennas, My GP antenna have 22 inch long radials ( slant down at an angle of 45 degrees) close up photo of antenna.
Wxtoimg slant software#
If you are not familiar with RTL-SDR, RTL-SDR is a very cheap software defined radio that uses a DVB-T TV tuner dongle based on the realtek RTL2832U chipset. RTL-SDR dongle combined with a good antenna and programs like GQRX, sdrsharp and WXtoImg we can decode this signals. Each NOAA weather satellite broadcasts an Automatic Picture Transmission (APT) signal (137MHZ), which contains a live weather image of our area. It carries a suite of instruments that provides data for weather and climate predictions, everyday multiple NOAA weather satellites pass above us. NOAA satellite is a series of weather satellites launched by NASA.