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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+Franklin\s+antenna\.\s+\&\s+1\/2\s+wave\s+verticals\.\s*$/: 4 ]

Total 4 documents matching your query.

1. Topband: Franklin antenna. & 1/2 wave verticals. (score: 1)
Author: JAMESAMS88@aol.com
Date: Fri, 13 Jan 2006 13:39:23 EST
I am not sure but I think WHO on 1040 kh in DesMoines, Iowa still uses a Franklin Antenna. The top 1/2 wave is isolated from the bottom 1/2 wave and is fed through a phase shift tuned ckt on the towe
/archives//html/Topband/2006-01/msg00204.html (7,284 bytes)

2. Re: Topband: Franklin antenna. & 1/2 wave verticals. (score: 1)
Author: "Joe Subich, W4TV" <k4ik@subich.com>
Date: Fri, 13 Jan 2006 18:16:12 -0500
Remember, the skin depth of the ground gets progressively less as one moves up in frequency. At 40 meters you seem a much smaller VOLUME of lossy ground. The ground losses should be lower on 40, the
/archives//html/Topband/2006-01/msg00211.html (8,087 bytes)

3. Re: Topband: Franklin antenna. & 1/2 wave verticals. (score: 1)
Author: "Tom Rauch" <w8ji@contesting.com>
Date: Fri, 13 Jan 2006 19:33:29 -0500
Iowa still uses a bottom 1/2 wave and is fed information can be found Vertical Antenna Handbook." very low angle. Jim, Remember the goal of a AM BCB station is totally different than a skywave stati
/archives//html/Topband/2006-01/msg00213.html (8,496 bytes)

4. Re: Topband: Franklin antenna. & 1/2 wave verticals. (score: 1)
Author: "Augie (Gus) Hansen" <augie.hansen@comcast.net>
Date: Fri, 13 Jan 2006 19:03:49 -0700
As a project for an Electromagnetic Fields and Waves course I was taking back in the early 1960s I plotted the elevation patterns of unsegmented verticals of various heights. The objective was to pr
/archives//html/Topband/2006-01/msg00216.html (8,461 bytes)

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