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Modulation delay FT8 transmit
Posted: Fri Jul 31, 2020 7:31 pm
by kr0p
Likely something I am not seeing but notice that over time while using FT8 the start of modulation will be delayed relative to start/key of transmit. Will appear to others that your clock is in error. Restart just the SDR software 2.8.0.170 and problem is corrected - for a while. Starting SDR software in administrative mode and running Windows 10. Any ideas thoughts to keep this from occurring? Thanks
Re: Modulation delay FT8 transmit
Posted: Mon Aug 03, 2020 10:16 am
by ke9ns
Something in the VAC causes a lag. Not sure if its in PowerSDR or the Virtual Audio program. Its get noticeable after hours with the VAC enabled.
Hitting the Start/Stop button resets the lag. Someone reported that using VOX instead of the PTT (while using VAC) also keep the lag from appearing.
Darrin
Re: Modulation delay FT8 transmit
Posted: Tue Oct 20, 2020 4:40 pm
by K2GC
I have noticed this more since I moved to VoiceMeeter for my VAC. doesnt seem to effect anything much?
Re: Modulation delay FT8 transmit
Posted: Thu Oct 22, 2020 9:08 pm
by ke9ns
under the VAC1 (right click) I added a Reset VAC every hour checkbox, so if your having the lag issue try checking that box.
Darrin
ke9ns