400bird
Solar Wizard
I don't know if the OP mentioned their location, but their user name includes Georgia. If that's the location, I doubt they are cleaning much snow.You will probably still have to trek out to that field to get snow off those panels and clean them.
If they're doing ground mount in a snowy region, it makes sense to mount the panels closer to vertical for better winter generation and to let gravity clear the panels.
My WiFi won't do 150 feet, let alone 500Wifi can monitor systems at long distance.
Google says max WiFi range at 2.4 GHz is 300 feet.
Have you heard of Dunning–Kruger?