Re: [amsat-bb] Help with TONNA 2x19el

[Jon Ogden <jono@xxxxxxxxxxxx>]

on 2/14/00 1:11 PM, Daniel Glanc at ok1dig@iol.cz wrote:

> Hello,
> thanks for reading this message. I am in process of repairing my 2x19el
> crossed yagi from TONNA ( F9FT ). I am about to assemble the phasing
> lines for propper RHCP operation. I don´t have the original instruction
> manual but I remember there was  a certain lenght difference between the V
> and H
> feeds. The elements of the V and H array are displaced on the boom by
> ( 20cm ).
> Does anybody have the instruction manual for the antenna with the required
> information ? Or is there anybody who can give me any hint.
> I can´t find the manufactures web site i know they are nomore TONNA but AFT
> but no search engine gave me any result.

You need a 90 degree phase shift between the elements.  This works out to be
1/4 wavelength.

73,

Jon
KE9NA


-------------------------------------
Jon Ogden
KE9NA

Member:  ARRL, AMSAT, DXCC, NRA

http://www.qsl.net/ke9na

"A life lived in fear is a life half lived."

----
Via the amsat-bb mailing list at AMSAT.ORG courtesy of AMSAT-NA.
To unsubscribe, send "unsubscribe amsat-bb" to Majordomo@amsat.org