The following images were created from the audio output of the Ten-Tec 1056 receiver on the dates shown. The receiver frequency is not locked to a stable source and may be as much as 10kHz from nominal. The vertical axis are all arbitrary levels, these have not been calibrated against a known noise source.

December 1, 2011

December 4, 2011

December 5, 2011

December 6, 2011