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IA few years ago, I had to use an indoor antenna on 80 and 160 metres due to
covenant restrictions (I put up a small vertical outside for 40-10 metres. No one noticed it so no one cared.) The indoor antenna started at the floor of a bedroom closet, ran up into th attic to the dizzying height of 15 feet, and went horizontal for about 30 feet ending in a huge capacity hat that I constructed at the gable end of the attic. It resonanted at about 2.5 MHz and I fed it with an L-network mounted on the floor of the closet, using, for a ground plane, the heating ducts, copper plumbing and a few extra wires in the basement. It worked as well as most folks' outside dipoles on 75-80, and on 160 , on several cold crisp winter nights, I was able to work into the UK and France on CW. Yes, when I hit the key, the lights on the Christmas tree would glow--even though the lights were't plugged in! Anyways, moral of the story is don't limit yourself to 2 metres. Put something up. You'll be pleasantly surprised by what you can work with an indoor antenna. 73. Harry MacLean, VE3GRO, London, Ontario, Canada, e-mail . Harry MacLean, VE3GRO 500 Riverside Drive, London, ON N6H 2R7 (519) 473-1668 |
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