Topband: How can I tune an FCP without isolation transformer ???

mstangelo at comcast.net mstangelo at comcast.net
Tue Feb 2 09:11:55 EST 2016


Douglas,

Have you reviewed K9YC's slides 73 to 79 in this excellent presentation:

<http://audiosystemsgroup.com/160MPacificon.pdf>

Mike N2MS


----- Original Message -----
From: Douglas Ruz (CO8DM) <co8dm at frcuba.co.cu>
To: topband at contesting.com
Sent: Mon, 01 Feb 2016 19:57:39 -0000 (UTC)
Subject: Re: Topband: How can I tune an FCP without isolation transformer ???

Correction:

I mean i CAN NOT get an isolation transformer...

73....Douglas, CO8DM

"No creo que haya alguna emoción más intensa para un inventor que ver alguna 
de sus creaciones funcionando. Esa emoción hace que uno se olvide de comer, 
de dormir, de todo." - Nikola Tesla
----- Original Message ----- 
From: "Douglas Ruz (CO8DM)" <co8dm at frcuba.co.cu>
To: <topband at contesting.com>
Sent: Monday, February 01, 2016 2:49 PM
Subject: Topband: How can I tune an FCP without isolation transformer ???


Hi Topbanders,

I am building an Inv L for 160m with FCP.

As i can get an isolation transformer i will add a series loading coil 
(about 17uH) to my FCP and then an RF choke.

How can i tune my FCP + Loading coil ??...i need a balance between 
FCP+Loading coil and the Radiator.

Can i build 2 FCP with loading coils and tune like a dipole with my 
MFJ-259???...then remove one of the FCP´s or keep both.

Thoughts ??

73....Douglas, CO8DM

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