What is Weatherfax (Fax Signal over Radio / Radiofax)?

LAST UPDATE: August 9th, 2021

For Weatherfax see the entry on Radiofax (the terms are used almost interchangeably)

The main difference between weatherfax and radiofax is that radiofax can be used anywhere, while weatherfax is primarily used for the distribution of weather data.

All weatherfax is a radiofax, and the majority (but not all) of radiofax use today is for sending weatherfax transmissions.