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Call Sign : 26-CT-4694, M7EUS Posts : 236 Times Thanked : 15 Join date : 2022-11-13 QTH or Location : Dorchester UK Equipment Used : Yaesu FT950, 66FT Endfed Antenna, Various Other Bits and Pieces Age : 57
Subject: Yaesu FT450 ALC Fri May 05, 2023 10:31 pm
Am possibly having a few issues with my ALC in FT8, from what I have read the ALC meter should barely flicker. I am only able to get my meter reading 1 bar below the AGC limit, I spent all afternoon today trying to get it down, but as soon as I lower it any more the transmit cuts out. Since changing the gain, my hit rate has shot back up to the levels I was getting with my KN 990 SDR radio. It is possible my setting were splattering my signal somewhat.
Any suggestions or clarification on the ALC settings would help me.
13oots2 Major contributor
Call Sign : 26-CT-4694, M7EUS Posts : 236 Times Thanked : 15 Join date : 2022-11-13 QTH or Location : Dorchester UK Equipment Used : Yaesu FT950, 66FT Endfed Antenna, Various Other Bits and Pieces Age : 57
Subject: Re: Yaesu FT450 ALC Sun May 07, 2023 2:44 am
Solved the issue-it seems my PC's sound card is too powerful, switching to a USB sound card has lowered my ALC a couple of notches.
Further research indicates the ALC reading on the FT450 works differently to most radios, you want the reading to be a notch below the indicator on the ALC readout.
Yesterday at 11:18 pm by 
Subject: Yaesu FT450 ALC