Some more interesting soundings
Wolfgang Schippke, DC3MF
last update: 02rd March 2001

 
Picture 4)
Some strange electro-audio signals in the range between 800 and 1150 Hz, observed arround midnight on the 22th of Feb. 2001.

This picture was taken with a 10 turned (3 x 3 Meter) Antenna, a preamplifier and my laptop, about 500 meter off any settlement.