If I remember correctly, there have been requests here for folks to listen to an offending signal so its location can be determined.
There is a fairly inexpensive way to accomplish this task using a ~$200 "0-to-30MHz SDR" called "Kiwi". One of its operating modes includes TDoA measurements using multiple Kiwi's located around the USA/world. Check-out ==> *https://valentfx.com/vanilla/discussion/1196/tdoa-extension-operating-notes#latest <https://valentfx.com/vanilla/discussion/1196/tdoa-extension-operating-notes#latest> * and ===> * http://kiwisdr.com/ks/using_Kiwi.html <http://kiwisdr.com/ks/using_Kiwi.html>* You can use one of these Kiwi's by checking here ===> *http://kiwisdr.com/ks/using_Kiwi.html <http://kiwisdr.com/ks/using_Kiwi.html>* Contact me off-line if you want more info. 73 Dick/w7wkr at CN97uj _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
