[Antennas] RG-178 balun turns count

[Brian Cake]

    That rule of thumb does not apply to off-center-fed antennas, such as 
the C pole, where the common mode potential at the feedpoint can be high.

    73

    Brian KF2YN
----- Original Message ----- 
From: "Roy" <royanjoy at ncn.net>
To: <Antennas at mailman.qth.net>
Sent: Thursday, July 01, 2010 12:47 PM
Subject: Re: [Antennas] RG-178 balun turns count


> About:
>
> "I have a 2" diameter coil form. How do I calculate/test for the number
> of turns required to be an effective choke at 14MHz?"
>
>
> The old rule is to aim for five times the reactance in the coil than the Z
> of the load....5 X 50 = 250 ohms.
>
> 73,    Roy     K6XK
>
>
>
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