[amsat-bb] Re: AO7-Excess transmit power

jmfranke jmfranke at cox.net
Sun May 22 07:01:25 PDT 2011

I agree that many people use too much power.  But, remember it is not just 
the output power that counts, it is also affected by the antenna gain. 10W 
into a dipole is about the same in terms of effective radiated power as 1W 
into a 12-13 dB gain Yagi.

John  WA4WDL

From: "Dean Maluski" <dean at n1ety.com>
Sent: Sunday, May 22, 2011 9:45 AM
To: "AMSAT-BB" <amsat-bb at amsat.org>
Subject: [amsat-bb]  AO7-Excess transmit power

> Yesterday I was working/listening and waiting AO7 SSB VHF/UHF, One
> station was booming in. Call sign intentionally not posted to skip their
> possible embarrassment. Midway thru the pass the signals went dead. No
> receive at all. If I recall from reading my theory he was likely hitting
> bird with 100 watts and used up the batteries in bird.
> Am I on track?
> Also, last week I was working a 6 land station who was proudly boasting
> 100 watts, Yikes, I never use more than 20 watts and my signal makes it
> no problem.
> de n1ety
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