[aprssig] Quad antenna construction techniques

AC7YY ac7yy at aikenco.net
Wed Jan 10 00:19:39 EST 2007


Do you have foil backed insulation in your attic walls and joists?  and if
so, does that not effect the antenna?
 
Kim - AC7YY


> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org [mailto:aprssig-
> bounces at lists.tapr.org] On Behalf Of Stephen H. Smith
> Sent: Tuesday, January 09, 2007 10:51 AM
> To: vk4tec at tech-software.net; TAPR APRS Mailing List
> Subject: Re: [aprssig] Quad antenna construction techniques
> 
> Here's a spreaderless design that uses only 3/4" PVC water pipe, 4-way
> cross fittings and #14 solid house wire.  This is mounted in my attic
> crawl space,  and is pointed at a local repeater used for APRN
> (Automatic Picture Reporting System - combined SSTV & APRS).
> 
>     < http://wa8lmf.net/2mStealthQuad.jpg >
> 
> 
> 
> 
> 
> 
> 
> --
> 
> Stephen H. Smith    wa8lmf (at) aol.com
> EchoLink Node:      14400    [Think bottom of the 2M band]
> Home Page:          http://wa8lmf.com  --OR--   http://wa8lmf.net
> 
> NEW!   TNC Test CD
>   http://wa8lmf.net/TNCtest
> 
> JavAPRS Filter Port 14580 Guide
>   http://wa8lmf.net/aprs/JAVaprsFilters.htm
> 
> "APRS 101"  Explanation of APRS Path Selection & Digipeating
>   http://wa8lmf.net/DigiPaths
> 
> Updated "Rev G" APRS            http://wa8lmf.net/aprs
> Symbols Set for UI-View,
> UIpoint and APRSplus:
> 
> 
> 
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