[amsat-bb] Re; Homebrew Polarity Switch

2010-07-30 Thread Daniel Nick Kucij
If anyone can point me in the right direction to find this item I would appreciate it. Additionally, if it is something that I could fabricate and there is good info available online, please forward any appropriate links to me. David, PA3GUO has described a homebrew switch on

[amsat-bb] Re: Homebrew Polarity Switch

2010-07-29 Thread Robert Bruninga
The diagram calls for a 1/4 wave 36 ohm transformer as a part of the circuitry. I'm having some trouble finding anything like this online. Its two 1/4 wave pieces of RG-59 (75 ohm coax) in parallel... Bob, wb4apr ___ Sent via amsat...@amsat.org.

[amsat-bb] Re: Homebrew Polarity Switch

2010-07-29 Thread HB9OMQ
Dear David In opposition of most common knowledge and post's of Ham's you will not find much benefit in going circular. If any antenna of a satellite is not pointing directly at your antenna the polarization will be ellipsoid and not circular. I had a system to switch my antenna from vertical