RST = “readability, strength, tone” ... a 3 digit number used by hobbyists to exchange information about the quality of a radio signal being received. https://

RST = “readability, strength, tone” ... a 3 digit number used by hobbyists to exchange information about the quality of a radio signal being received. https://en.m.wikipedia.org/wiki/R-S-T_system https://en.m.wikipedia.org/wiki/R-S-T_system