There are many reasons to have an accurate time source such as a GPS Time Server in your station. Getting the best performance from WSJT-X modes like FT8 require your computer clock to be synchronized to within a second…

Source: GPS NTP Server

We’ve recently added a GPS synchronized NTP time source to our station. The unit provides very accurate clocks (to within a microsecond) for WSJT-X modes like FT8. It also provides accurate clocks should we lose access to the Internet. You can read more about the GPS NTP server via the link above.

Fred, AB1OC