On Thu, 23 Mar 2006 13:19:00 -0800, Ron D'Eau Claire wrote: > Shoot, did you know that you can bury a doublet underground? >It'll show about 14 to 16 dB loss compared to a doublet at typical Ham >heights. Okay, if you're a QRPer, try running a K2/100. Your signal will be >about equivalent <G>. And QRN from such underground antennas is very, very >low! Just be sure to put the antenna inside a pipe so it's not in intimate >contact with the soil and water. One installation I've seen documented uses >4" PVC for the antenna wire with a plastic garbage can in the center, buried >up to its lid. The lid provides an easy access to check for water and the >owner put the ATU in there so coax line runs to the shack, underground of >course! Heys discusses underground antennas in his little book, "Practical >Wire Antennas" published by the RSGB and available through many sources >including the ARRL.
Doesn't that give the lie to our historical claims that you can put the usual utility lines underground but not radio antennas? I guess that with enough power one can put any antenna underground (GWEN) or even underwater (SUBCOMM) but let's not give my wife any more ammunition!! Has anyone here tried it? -- 73 de K2ASP - Phil Kane _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
