Thanks for the interesting comments so far. I guess it is difficult to get a clear picture without "hands on", but I have wondered about this for a long time.
Regarding latency effects on QSK, I have a daily qso with a friend, typically at 60 wpm, where we are basically operating two paths in parallel: 20M RF and an "internet CW" VOIP path. The total latency for the full path from each of us through the server to the other (he is in Berkeley, CA, the server is in San Jose, CA and I am in southern NM) is such that one of us can listen to the "real time" RF path and the other can listen to the internet path or we can both listen to the internet path and it is easy to forget which path you are listening to. Of course if one of us pauses, intending to continue, the other may start to respond resulting if a brief doubling of a character or two, but with the full QSK in the K3 and the full duplex on the VOIP path, this is not a problem. Mitch mentions an external keyer can be used which is what I would require, so it is good to know that. Does the RRC still generate a local sidetone, with that audio mixed in the RRC with the remote audio, and the remote sidetone turned off? David mentions the remote sidetone "will drive you nuts", but hopefully it can be set to zero. A third reply (offline) commented: "On CW I can hear the band between characters at 25-28 WPM but I would think when you approach 30-35 WPM you wont hear much band.". Perhaps this is with the "slow" CW mode, not "CW+". I would hope that the remote audio coming back would have the same CW+ QSK performance that I experience at 60 wpm. The QSK does degrade a bit starting at 65 wpm, but is excellent up to that point. Above 65 wpm, the QSK is "variable" depending on the exact stream of characters being sent, it is a bit strange actually. I think Wayne has said this is not the case if you send a string of dits using the internal keyer at 80 wpm, but with an external keyer things are not quite the same. Still I am very pleased with the CW+ mode performance up to 65 wpm. At 70 wpm, I actually prefer the VOIP path, but it is very rare to be pushing that hard, and we usually do not even creep up to 65. Thanks all, Chuck, W5UXH -- View this message in context: http://elecraft.365791.n2.nabble.com/K3-K3-0-Remote-Rig-QRQ-QSK-performance-tp7579062p7579068.html Sent from the Elecraft mailing list archive at Nabble.com. ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
