The Display Reception Report of PSKreporter is automatically updated evert five minutes, but you may wonder how often your WSJT-X program is sending report to the site.
It may help to ask Google, but reading the source code could always be a better way.
O.K. It says it’s every five minutes.
The timer is set to 300sec.
The port 4379 is used as is mentioned in the following document from PSKreporter.
Finally, you will check with Wireshark.
Yes, it’s every 300sec.