spiderbeam : SPIDERBEAM

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This group is dedicated to discussions concernining the construction and use of the SPIDERBEAM amateur radio antenna, a full-size light-weight tribander made of fiberglas and wire, designed and developed by Con, DF4SA. Anyone with an interest in construction and/or use of the DF4SA SPIDERBEAM may join and post messages, and active participation is encouraged. Members may also upload photos and text files to the website for access by other members.

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Re: spiderbeam + HD-73 rotator limitations You want to be very careful mounting the HD-73 without either a cage or in a tower if you live in an area with strong or gusty winds. In a low wind or Posted - Fri Feb 10, 2012 2:09 pm	ke7zag Offline Send Email
spiderbeam + HD-73 rotator limitations Hi group, I've been given information that the HD-73 is derated from 10sq ft wind load down to 5sq ft wind load when it is mast mounted, that one should only Posted - Thu Feb 9, 2012 6:57 pm	kenwooduser Offline Send Email
Re: 20m length of the director at the 3band spider Hi Torsten, I see you are in Texas, so presume you are English speaking. Pick up the English version of the manual and read pages 29 and 30 if you are Posted - Wed Feb 8, 2012 1:33 pm	ke7zag Offline Send Email
20m length of the director at the 3band spider I was just going thru the antenna model of the 3band version, and i think there is a problem on the 20m director. Backround: I calculated the velocityfactor Posted - Tue Feb 7, 2012 2:53 pm	k5tor Offline Send Email
Re: 5 Band tuning It will raise about 150 to 200 kHz. Of course it depends a little on the earth surrounding it. 73 Rick, DJ0IP From: spiderbeam@yahoogroups.com Posted - Tue Feb 7, 2012 3:27 am	Rick - DJ0IP / NJ0IP greatbyte Offline Send Email
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