Welcome, Garry to the OEM Forum.
It has been published here. You needed to search for ESP8266 9600 baud.
EmonESP special sketch (9600 baud) for use with 3-phase PLL sketch:
https://community.openenergymonitor.org/uploads/short-url/zegtvp5lICQT1w6J7ZoTXRnsiw3.bin