Re: [wsjt-devel] Decodes
On 1/7/2023 2:06 PM, Joe Taylor via wsjt-devel wrote: You can click on a decode that appears after the next sequence starts. The program will know which sequence to transmit in. Yes, and I've found that I'm often decoded starting 3-5 seconds late! 73, Jim K9YC ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
Re: [wsjt-devel] Decodes
Bobby -- On 1/7/2023 5:01 PM, Bobby Chandler via wsjt-devel wrote: Thanks much Joe, Just didn't want to click on wrong time sequence. Thanks to the team for a super program and support. You can click on a decode that appears after the next sequence starts. The program will know which sequence to transmit in. -- Joe, K1JT ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
Re: [wsjt-devel] Decodes
Thanks much Joe, Just didn't want to click on wrong time sequence. Thanks to the team for a super program and support. N4AU/Bobby On 1/7/2023 3:52 PM, Joe Taylor via wsjt-devel wrote: Hi Bobby, When in the NORMAL decode mode and band is busy (35 to 50+) the decode indicator flashes 3 times and the last is several seconds (up to 5) into next time slot. Does this affect the number of decodes in the Band Activity window? The three flashes you mention occur at roughly these times into the FT8 receive sequence: 11.8 s: Attempt to decode many of the stronger signals, even before their transmissions are finished. 13.6 s: Main decoding pass. Subtract signals from all previous decodes from the received data stream. Decode all possible remaining signals. 15.0 s: Subtract signals from all decodes in Pass 2. Make a final decoding attempt on what's left, with particular attention to signals that might be another transmission from a station on that frequency two sequences ago. In all passes, attention is focused first on your selected Rx audio frequency, then on all other frequencies displayed in the waterfall, from bottom up. -- 73, Joe, K1JT ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel -- n...@outlook.com n...@arrl.net ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
Re: [wsjt-devel] Decodes
Hi Bobby, When in the NORMAL decode mode and band is busy (35 to 50+) the decode indicator flashes 3 times and the last is several seconds (up to 5) into next time slot. Does this affect the number of decodes in the Band Activity window? The three flashes you mention occur at roughly these times into the FT8 receive sequence: 11.8 s: Attempt to decode many of the stronger signals, even before their transmissions are finished. 13.6 s: Main decoding pass. Subtract signals from all previous decodes from the received data stream. Decode all possible remaining signals. 15.0 s: Subtract signals from all decodes in Pass 2. Make a final decoding attempt on what's left, with particular attention to signals that might be another transmission from a station on that frequency two sequences ago. In all passes, attention is focused first on your selected Rx audio frequency, then on all other frequencies displayed in the waterfall, from bottom up. -- 73, Joe, K1JT ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
[wsjt-devel] Decodes
Running Ver 2.6.0 on W10. When in the NORMAL decode mode and band is busy (35 to 50+) the decode indicator flashes 3 times and the last is several seconds (up to 5) into next time slot. Does this affect the number of decodes in the Band Activity window? Bobby/N4AU -- n...@outlook.com n...@arrl.net ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
Re: [wsjt-devel] Decodes with strong QRM
Hello Sam- Thanks for the explanation and reply to my post. 73; Bill On Thu, Sep 8, 2022 at 7:57 AM Sam W2JDB via wsjt-devel < wsjt-devel@lists.sourceforge.net> wrote: > Hi Bill, > > I will quote an email passage from Reino OH3M > > "there are three dimensions that affect to the decoding probability of two > signals on the same frequency slot. Everybody knows signal strength and > frequency difference, but also time difference has a strong effect. A time > difference of more than a symbol length 160 ms may be enough even, when > signal strengths are the same and there is no frequency difference." > > It is amazing. Look at the screen shot at the DT and SNR values of the two > other stations. > > You also have a duplicated decode look at the 2 "KP3WR K3RW FN00" decodes > both occurring at 0115 in the display. > > 73, > > Sam W2JDB > > > > -Original Message- > From: Bill Barrett via wsjt-devel > To: WSJT software development > Cc: Bill Barrett > Sent: Wed, Sep 7, 2022 8:57 pm > Subject: [wsjt-devel] Decodes with strong QRM > > D2UY was interfered with by stns previously worked. The decoder picked out > both stns. Amazing! > > Bill W2PKY > > > ___ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel > ___ > wsjt-devel mailing list > wsjt-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/wsjt-devel > ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
Re: [wsjt-devel] Decodes with strong QRM
Hi Bill, I will quote an email passage from Reino OH3M "there are three dimensions that affect to the decoding probability of two signals on the same frequency slot. Everybody knows signal strength and frequency difference, but also time difference has a strong effect. A time difference of more than a symbol length 160 ms may be enough even, when signal strengths are the same and there is no frequency difference." It is amazing. Look at the screen shot at the DT and SNR values of the two other stations. You also have a duplicated decode look at the 2 "KP3WR K3RW FN00" decodes both occurring at 0115 in the display. 73, Sam W2JDB -Original Message- From: Bill Barrett via wsjt-devel To: WSJT software development Cc: Bill Barrett Sent: Wed, Sep 7, 2022 8:57 pm Subject: [wsjt-devel] Decodes with strong QRM D2UY was interfered with by stns previously worked. The decoder picked out both stns. Amazing! Bill W2PKY ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
[wsjt-devel] Decodes with strong QRM
D2UY was interfered with by stns previously worked. The decoder picked out both stns. Amazing! Bill W2PKY ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
[wsjt-devel] decodes of old cycle falsely detected/reported as from new band
Uwe I guess I misunderstood your problem. I thought the colors indicating needed calls etc were not correct after a band change. The adi file should be read when WSJTX starts, but at times I have had to rescan, for some reason, the file to make the colors respond to the needed calls etc. Sorry if I misunderstood. Bobby/N4AU -- Bobby Chandler bob...@bellsouth.net n...@arrl.net ___ wsjt-devel mailing list wsjt-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wsjt-devel
