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Description
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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: RG-58 for Spider elements?
G1OXW: I need to say that you received a variety of comments and almost no good one and I agree. You may explore how to fabricate a dipole with your RG58 and
Posted - Thu Jun 25, 2009 1:13 pm
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Milton Riutort
milton.riutort
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Re: RG-58 for Spider elements?
... Responses so far missed that what you propose to do is effectively using the coax as a large diameter wire. The velocity factor you quote (which would need
Posted - Thu Jun 25, 2009 8:59 am
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VR2BrettGraham
kb7g
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Re: RG-58 for Spider elements?
Hi Steve, unfortunately the concept that you can use coax cable for wire elements and thus shorten the lengths by the velocity factor is wrong, even though it
Posted - Wed Jun 24, 2009 9:12 pm
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DF4SA
radiodf4sa
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Re: RG-58 for Spider elements?
2 points: 1. If you use anything except the exact same wire Spiderbeam uses (CQ532), you will spend an awful lot of time adjusting element lengths. And,
Posted - Wed Jun 24, 2009 8:08 pm
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Rick Westerman
greatbyte
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Re: RG-58 for Spider elements?
The spreaders will most likely collapse under the weight of the coax. de Joe, AA4NN ... From: G1XOW Steve To: spiderbeam@yahoogroups.com Sent: Wednesday, June
Posted - Wed Jun 24, 2009 8:03 pm
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aa4nn
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Group Email Addresses
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