Posted: 1/25/2014 1:59:52 PM EDT
I've spent the last few days getting comfortable using my Icom IC-7200 and the WSJT-X program to make contacts with JT65. Throughly enjoying this awesome digital mode and have worked about 35 states and 20 countries so far. 
One thing that I notice frequently is an obvious signal being sent, yet when the WSJT-X software decodes for that time period, nothing shows up on the "Band Activity" portion of the screen. It's definately a JT65 signal and strong at that, but for some reason it's not being received and decoded. Any one else have this occur on a regular basis with their equipment??? Even more frustrating is when I occasionally send CQ, I clearly see a faint signal answering my CQ call, but the radio and/or software doesn't seem to have the sensitivity needed to decode the signal that is being sent back to me. I can verify this sometimes because of the visitors that show up on my QRZ.com page (mostly foreign call signs). Is there any adjustments/settings that can be made to either the IC-7200 or the software to raise the sensitivity level to where it may be able to be decoded??? 
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Quoted:
Sometimes the sending station has: Time wrong ALC wrong (causing distortion) On the wrong side band I had a station that kept calling me earlier but I could not decode him. I could decode everyone but him. Thanks for the reply Mr Harry. I suppose that could be happening occasionally, but this seems to be a somewhat regular occurrence on my end. I still do decode plenty of stations, but if there was a way to decode these other signals I would be making SOOOO many more contacts. Maybe I'm just being greedy... 
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I always turn my AGC off. I have tried setting it to fast but it does better with it off.
also give this a look http://pskreporter.info/pskmap.html |