To Reg, G4FGQ and the LF-group Reg, G4FGQ wrote: Yes, I am aware of that. But I am interested in the extent to which VLF predicting capability of program GrndWav3 is affected by skywaves. It would be
To All from PA0SE Reg Edwards, G4FGQ, wrote: I have just checked the source code in program GrndWav3. It does make use of CCIR curves and data for refraction over the horizon although I have had to u
Hello Dick and all, Thanks very much for your figures. I am not srprised at program predicting accuracy because attenuation is not very much different from 6dB for every doubling of distance and not