Submit Contact

Help us build a better propagation model

Every contact matters

Our propagation model improves with real-world data. Each verified contact you submit is matched against atmospheric conditions at the time of your contact, helping us calibrate predictions for all amateur bands from 50 MHz and up. The more contacts we have, the better our forecasts get for everyone.

Your contact will be available on the contacts page shortly after submission, with terrain analysis, atmospheric data, and propagation scoring added automatically.

Be as specific as possible with grid squares (8 characters preferred, e.g. EM12kp37). Antenna heights are optional but improve terrain-clearance analysis.