All of what @pturmel said. Especially the GPS receiver for the time server.
However, if you are stuck on Windows (unfortunately, that still happens), Meinberg's NTP Software is a good alternative over W32Time.
All of what @pturmel said. Especially the GPS receiver for the time server.
However, if you are stuck on Windows (unfortunately, that still happens), Meinberg's NTP Software is a good alternative over W32Time.