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Showing posts with the label Swan 100-MX

Simple Antennas for the Amateur Radio Operator--a continuing series

ANOTHER EMERGENCY ANTENNA There are quite a few birds in my area that often use my antennas as perches or launching platforms for their flights.  Normally, the smaller birds (finches, cardinals, and an occasional native bird like a honey creeper) don't create problems.  However, a sizeable bird such as a pu'eo (Hawaiian Owl) can damage a dipole or even the bird itself.  Such was the case yesterday when some kind of bird bumped into the 450-ohm twin lead feeding my 40-meter inverted vee.  I cut out the damaged section of the feedline and decided to replace it temporarily with about 50 feet of RG-6 I had stored in the "junque" box.  I didn't have the Drake MN-4 ATU handy at the time, since the MN-4 was being cleaned on the workbench (the kitchen table). So, I borrowed an idea from Dean, KH6B, and rigged up what he called a "James Bond" antenna--named after the famous fictional spy created by Ian Flemming.  All I did was connect the coax to one end of