In a message dated 2/20/01 5:09:16 AM Pacific Standard Time,
jtolbert@gremlan.org writes:
> I have an opportunity to raise my 50' Roh 25 house-bracketed tower another
> 7'. With the mast this would put my C3E at 67 ft instead of 60' . This may
> be a little to much tower above the second bracket however. Would the
> benefit of going higher outweigh any additional risk? I'm not sure I would
> notice much difference between the 2 heights.
First, another seven feet is only about 11% of a wavelength on 20M. I
don't think you'd see much difference by increasing the height by 11%. You
might model it and see. OTOH 'higher is better'.
Second, how much tower do you have above the housebracket? How is the
housebracket attached? What's your county windspeed rating? (Windspeeds are
available from <A HREF="www.championradio.com">www.championradio.com</A>
under Tech Notes.)
Cheers, Steve K7LXC
Tower Tech
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