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Signal strength? You are talking about signal to noise ratio, you don't know what the other station's noise level is.
On 6m running 10 watts I sometimes receive +12, should I be running .5 watt ?
Sent from my Samsung Galaxy smartphone.
I usually run about 25 watts into a very inefficient MFJ-1788 Super Mag Loop. This 3 foot diameter antenna tunes all the bands from 40M - 15M and I find 10 watts is often more than enough power to make contacts on the higher frequencies. On 40 meters I usually have to run 50 watts or more to have any chance at all of making a contact. I watch my signal reports and adjust accordingly. If my signal strength is reported to be weak at less than -18 or so, I turn up the power a little. A strong report of -8 or less tells me I'm running more power than needed. If your signal report comes back as a positive number you are definitely running too much power!
-------- Original message --------
From: Gary - AC6EG <gdefeyter@...>
Date: 20/1/18 5:48 am (GMT+10:00)
Subject: Re: [WSJTX] power levels #QSO_practices
Gary - AC6EG