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Re: Topband: 1/8 wave vertical

To: <topband@contesting.com>
Subject: Re: Topband: 1/8 wave vertical
From: "Tom Rauch" <w8ji@contesting.com>
Reply-to: Tom Rauch <w8ji@contesting.com>
Date: Thu, 27 Dec 2007 10:13:18 -0500
List-post: <mailto:topband@contesting.com>
>  Right, and on both ends.... Last night for example - 
> every time I called CQ DX on the EU array I would get a 
> reply that sounded like a swarm of bees about 1dB below 
> the level of copyability - just a letter here and there... 
> If those fellas would put a bit of effort into their 
> transmit antennas there would be lots more qso's available 
> to them...

There is no disputing 1dB is worthwhile in the rare 
situation where a signal is hanging right at copy threshold, 
but I think someone well-versed with signals, noise, and 
statistics would have fun with the idea 1db would suddenly 
open a doorway to a room full of extra QSO's.

I think the threshold for that is more like 5 or 10dB.

I barely notice a difference between my omni and 4 square, 
and that is a good 5-7db change. As a matter of fact I'm 
always amazed what a dipole at 50 feet, virtually always 
10-15dB down, can work.

Look at the people who swear by a few elevated radials, or 
who love GAP antennas!

73 Tom 


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