Base station from 40 miles away?

[Alan.Webb]

I did post a lengthy description on exactly how to do this years ago but can’t find it now.

[edit…]

This is it, and I’ve added back the lost image.

Ardusimple F9P Base setup

Any ESP32 Dev board. [34184-original] The software. How to install it. Wiring is easy. ESP32 pin simpleRTK2B pin -------------------------------- GND to GND RX0 to RX2 IOREF to 3v3_OUT (both on RTK2B) The IOREF connection ensures that the RTK2B board communicates with the ESP32 at 3.3 volts, which the ESP needs.