[amsat-bb] Re: Can someone point me to a simple S-band helixconstruction article?

John Franke jmfranke at cox.net
Tue Feb 5 14:33:19 PST 2008



John  WA4WDL

----- Original Message ----- 
From: "Michael A. Tondee" <mat_62 at netcommander.com>
To: "Amsat-Bb at Amsat. Org" <amsat-bb at amsat.org>
Sent: Tuesday, February 05, 2008 5:11 PM
Subject: [amsat-bb] Can someone point me to a simple S-band 
helixconstruction article?

>I can find plenty of information on helices and the theory involved with 
>them but a lot of it seems to be contradictory and confusing.. I've found 
>very general  guideline type articles but what I haven't found yet is a 
>simple step by step construction article from start to finish. I'd like to 
>construct one using pvc pipe as the helix form if possible as it is readily 
>available but I even find varying opinions on the suitability of that 
>material. Are the dimensions really not that critical as has been stated in 
>some articles? I was thinking of using schedule 40 1 and a quarter or 1 and 
>a half inch diameter white PVC pipe. I could really use some simple 
>formulas as my old brain starts to smoke when I see equations involving 
>algebra and pi. Been way to long since high school!  hi hi.
> Tnx and 73,
> Michael, W4HIJ
> _______________________________________________
> Sent via AMSAT-BB at amsat.org. Opinions expressed are those of the author.
> Not an AMSAT-NA member? Join now to support the amateur satellite program!
> Subscription settings: http://amsat.org/mailman/listinfo/amsat-bb

More information about the AMSAT-BB mailing list