The controllers are OSPi’s connecting via wifi. The App Version is 2.1.7 and the Firmware version is 2.1.9(1).
Emptying out the location is easy enough and I made sure to click submit in order to save, although the “Advanced” tab only gives me three options. Wunderground Key, HTTP Port, and Device ID. I don’t see a “Time” tab or an “NTP sync” section.
I have a feeling the Raspberry Pi is controlling the time and that is why I don’t see the time options. I’ll see if I can login via ssh and update the time via raspi-config.