JS8Call is a weak-signal digital mode which requires your time clock to be synchronized with other users, within a couple of seconds, in order to properly decode text. This is done using the internet time clock of your computer, or a GPS dongle. If you’re not synchronized, you will decode no text, even when you can clearly see and hear the signals of other stations.
- No internet?
- No GPS dongle?
- GPS satellites off line due to cyber (or other) attack?
- NO PROBLEM!
You can still synchronize your time clock with other users! There are several options built in to the JS8Call software program to accomplish this.
The resources below will help you with this, plus you’re invited to participate in the training exercise!
TRAINING AND EXERCISE DATES
TRAINING:
Wednesday March 9, 2022 0100Z (8pm Eastern / 5pm Pacific) Z-Net Breakout Channel Practice Net (AmRRON Corps Only)
EXERCISE:
Saturday March 12, 2022 10:00 am (your local time); 7.115 USB (Open to all)
Sunday March 13, 2022 8:00 pm (your local time); 3.578 USB (Open to all)
Below are the PDF documents related to the Exercise and the white paper covering time syncing (Thank you Papa Romeo Whiskey and Romeo Mike-08!).
Download and print for your comms binder.
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Open in new tab Download the JS8 Time Synch Exercise PDF
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Download the JS8Call Time Sync White Paper PDF
Dates and times for the 40m frequencies don’t line up. I assume these will be taking place on Saturday the 12th?
Good catch. A corrected version of the JS8 Time Sync Exercise (Version 1.3) PDF has been uploaded. -JJS
JJS thanks for this. This had been on my mind for a while now, especially when I would have to operate remote or everything is down. Not being one to read directions or go to a help file, who knew it would be so easy to adjust time? Always improving. Thanks again. G-33
Nice instructions. My digital watch looses one second a month IIRC. I also think JS8 requires time to be synced to within 1 second so this might work as well.
I do like the idea of using the built in time delta.
I’ve also been reading FT8 hints and most people are using split mode to keep their Tx in a linear regime when the transmit frequency is far from the carrier you are sitting on.