NTP servers are internet services whose job is to provide the current time. Time services are provided in Internet by Network Time Protocol Servers. These commands will time sync your PC with internet NTP time servers.
However, under modern Microsoft and Apple operative systems like Windows 10 or MacOSX 10.x you can use a simple commands from Command Prompt or Terminal. Time synchronization in modern operative systems is often built-in, but some times, difference of even half a second may be the cause of problems on decoding signals.
If you pay attention to the graph, and you see green lines overlapping descending most of the signals, it will mean that your clock is not in sync, and no signals will be therefore decoded.įT4 signals with an accurate time syncronization How to sync computer time with internet If you will be able to decode signals, it will mean that you are almost in time sync, and therefore, you don’t really need an additional synchronization. In case you have no internet access, and want to know if your PC is in time sync, try starting from your PC a weak signal software, for instance, WSJT-X or JTDX session and tune into a FT8 Frequency. According to time.is current UTC time is: The ham radio way How to know if your computer is perfectly syncronized.Ī very simple way to know if your PC Clock is synchronized, is to visit the Time.is web site and check the difference with your PC clock. Synchronizing your computer time it may be very easy task, and sometimes a challenge. Time sync has become a so important factor, that makes the difference between being able to make contacts and not to be able. Nowadays, in the weak-signals digital modes era, with time synchronized protocols like FT8 FT4 JT65 and JT9, an accurate time synchronization of your PC clock with an atomic time service has become mandatory. In classic amateur radio operations, the need of a good time synchronization has always been a requirement, for contact logging purposes, or for example in APRS and packet radio systems.
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