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Caveat Lector wrote:
All about DF, sense antennas, nulls, etc http://www.avweb.com/news/avionics/183233-1.html Side note -- A WWII B-24 bomber (Lady Be Good) ran out of fuel because they were not sure of the DF readings --that is -- if they were going toward or away from the home station. Crashed in the Libyan desert -- all of the crew perished after walking as far as 85 miles in the desert. On DF antennas sense was always something to be taken with a grain of salt. It was quite easy to have a reading 180 degrees out. We always had to consider other factors about the targets such as where the coast was, or where the last reported position of the target was. I spent most of my time in the navy as an operator, then supervisor technician ('57 - '83) with shipborne electronic warfare. After commissioning I was Operations Officer at two Canadian stations who were part of the USN based Bullseye HFDF system (Wullenweber Antennae), and then as Operations Officer at CFS Alert, a small sigint/comint station at the northern tip of Ellesmere Island (300 miles north of Thule). Brrrr. I went from pre-WW2 DF equipment (Canadian Navy was always a little slow in updating), to the latest state of the art -- or at least it was in 1983 when I left. It was a most interesting career. It still is, for the guys who are still in it. You might find some good information and links on my Oldtimers Website listed below. Irv VE6BP -- -------------------------------------- Diagnosed Type II Diabetes March 5 2001 Beating it with diet and exercise! 297/215/210 (to be revised lower) 58"/43"(!)/44" (already lower too!) -------------------------------------- Visit my HomePage at http://members.shaw.ca/finkirv/index.html Visit my Baby Sofia website at http://members.shaw.ca/finkirv4/index.htm Visit my OLDTIMERS website at http://members.shaw.ca/finkirv5/index.htm -------------------- Irv Finkleman, Grampa/Ex-Navy/Old Fart/Ham Radio VE6BP Calgary, Alberta, Canada |
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