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Old 02-27-2008, 09:25 AM
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Groucho Groucho is offline
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Talking 5/8 wave, 2M Homebrew Antenna

I am currently making the parts to allow those interested to get together and build this antenna to use on your vehicle. It is identical to the one seen on my FZJ80 and Bruce's HDJ80(at the last HAM class).

It is fairly simple to do, and it will make a nice addition to your HAM setup. The only thing you would be required to purchase is a length of coax with a PL-259 on one end. That may run around $7.

I am looking for a show of interest so I know how many I need to machine parts for. I am not looking to charge people for this at all, just to encourage the "tinkering" that HAM radio does.

Please post up if you would be interested in getting to gether some weekend day for an hour or two and build yourself an antenna.

73'
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Old 02-27-2008, 09:32 AM
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Count me in!
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Old 02-27-2008, 09:49 AM
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I might, you have a picture?
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Old 02-27-2008, 10:47 AM
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Details, please, as I wasn't at the meeting.

Mounted to _______? Pics would be great!

For those of use with dual-band radios, would we need to also build a 70CM antenna and source a duplexer?

Generally, yes, I'm interested.
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Old 02-27-2008, 10:49 AM
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I am at your mercy as to what equipment I need and what you feel is the best setup. Should you feel this is what I need after I get certified, then count me in. I promise not to hook it up to anything until I pass my test.
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Old 02-27-2008, 10:53 AM
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Mike you can always hook it up beforehand and listen in - just no transmitting!

Nathaniel, I'm interested, count me in.
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Old 02-27-2008, 11:27 AM
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Nathaniel, the FJ40 needs an antenna. Count me in.
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Old 02-27-2008, 11:47 AM
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Speaking of that, sign me up for two
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  #9  
Old 02-27-2008, 12:32 PM
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Groucho Groucho is offline
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Thumbs up Picture

I will at some point soon post a picture of what this looks like in person. Until then, here is some verbal info...

For those of you who were not at the first HAM wives class (where I handed out copies of the QST article from June 1979) this is a simple 2M, 5/8λ Vertical, single band antenna that in 1978 was supposed to cost all of $2-$3 (without the machined cone--see further down).
It is composed of a piece of 3/4" plexiglass 3 1/2" long, to which a coil of 10GA copper wire is wraped around. Out of the top of the plexiglass is a whip made of 1/8" stainless rod, welded to a 1/4 x 20 x 3/4" stainless bolt with a machined cone welded to the top for support (so the whip doesn't tear at the top of the bolt).

While many arguments have been made about the difference between 1/2λ and 5/8λ, this has been very effective all last year getting into repeaters as well as on trail runs (Ghost Town, Ouray).

This is simply a project that is supposed to accompany the HAM class info to make the learning about antennas enjoyable and practical. The parts to assemble would normally cost about $10-$15 per antenna (not including the coax), but it is being offered for FREE (all but the coax).

If you decide to come and build one, but never use it, all I will ask is that you either donate it back to me to give away to someone in the club who might use it, or give it to someone in the club who might use it yourself.

The date will be TBD, but hopefully before March 17th.
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Old 02-27-2008, 02:26 PM
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QSL

I'd like to be in for at least one, two if they aren't easily moveable between rigs
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