[amsat-bb] Feed and Antenna comparative tests

[Ferruccio Paglia <paglia@xxxxxxxxx>]

Last week I take some live comparative  test on AO-40, feed (linear, helix
3.5, 5.5 turns, cavity, no cavity) -  antenna (98cm prime focus, 85cm
off-set, helix 30 turns). 
Pictures and results are at the following URL:

http://web.tiscalinet.it/stinson/ao40.html 

Thanks to all who helped  with their messages in the list and in
particulary to Ed AL7EB, John KD6OZH, Don I8CVS, Bob K5GNA.

Comments,corrections,insights shall be welcome.

IW1AM Ferruccio

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