We follow Multi GP for our rules.
Up to 4S
Up to 250 mW VTX
For complete rules, see: MultiGP-fpv-racing-league-2017-specs.pdf
How to Prepare:
Create an account and register through Multi-GP.Com
Setup your VTX channel at home. When you register for the race, you will be assigned a VTX channel.
Charge your batteries prior to the race.
When you arrive at the field, be sure to “Check-In” through Multi-GP.