In this particular case, the author is using an SDR device to caputure data emitted by the satellite, and then decode it using software (goestools). There is no

In this particular case, the author is using an SDR device to caputure data emitted by the satellite, and then decode it using software (goestools). There is no interaction with the satellite, it's just a device listening to a broadacst emission. As mentioned in the article, there are many interesting related projects: * https://www.rtl-sdr.com/rtl-sdr-tutorial-receiving-noaa-weather-satellite-images/ https://www.rtl-sdr.com/rtl-sdr-tutorial-receiving-noaa-weat... * https://hackaday.com/2013/01/12/listening-in-on-weather-balloons-with-rtl-sdr/ https://hackaday.com/2013/01/12/listening-in-on-weather-ball... * http://www.sdr-satellites.com/Weather http://www.sdr-satellites.com/Weather