[Lowfer] Longwave Antenna Question

[Bill Ashlock]

Andy,
 
John is correct on all counts. If you would like copies of my two loop articles let me know.
 
Bill Ashlock> Date: Mon, 5 May 2008 15:18:41 -0400> From: w1tag at w1tag.com> To: lowfer at mailman.qth.net> Subject: Re: [Lowfer] Longwave Antenna Question> > Andy,> > A vertical loop, supported either by towers or trees, works fairly well. > That's all that I have used for either TAG or the various LF/MF > experimental operations. My site doesn't lend itself well to "Marconi" > or similar antennas -- no towers, and the available trees are along the > back line of the property. The top wire and downlead would be buried in > the trees.> > A horizontal loop will help earthworms over a large area to survive a > really cold winter. Given the part of the country you live in, this > wouldn't be much of a service! <g> Seriously, the idea has been tried, > and it doesn't work, as even with the horrible ground conductivity up > here in New England, the signal is effectively short-circuited in the > ground. You're welcome to try, but you will be very discouraged.> > The important things with a vertical loop are to maximize the area, and > minimize long, low runs parallel to the ground. That would tend to argue > against the triangular configuration with the high point in the middle, > but anything is better than no antenna at all. The long, low concept > will produce a high loss resistance which limits your antenna current.> > If you haven't done so already, take a look through Bill Ashlock's > transmit loop articles. The links I have to them have gone stale, but > maybe someone else can provide the correct ones.> > John A.> _______________________________________________> >From the Lowfer mailing list> Send messages to: Lowfer at mailman.qth.net> To sub/unsub visit: http://mailman.qth.net/mailman/listinfo/lowfer