<ul><li>Nukes accidentally discovered strange happenings in the radio spectrum by analyzing public data from NASA's SMAP satellite, which is primarily used to measure soil moisture.</li><li>The SMAP satellite operates at 1.41 GHz in the L-band, a frequency reserved for specialized purposes like radio astronomy, with low-power safety critical data systems to minimize interference.</li><li>Detection of signals at 1.41 GHz, where high-power transmitters are not expected, can indicate unusual and interesting occurrences such as military jamming, providing insight into geopolitical activities.</li><li>Accessing and analyzing this satellite data with a simple Python script highlights the transition of once highly secretive jamming technology into publicly available information, revealing unexpected uses of satellites.</li></ul>

Open Source ELINT Accidentally from NASA

Discover more