Hello Rich:
As a kid in the 50s, I was K1CJO, one end of whose single wire fed windom was actually suspended by a tree that eventually fell into the Piscataqua River in Eliot, Maine, to the delight of the neighbors, with whom I had WATV sets.
In any event, rainy day in Sausalito led me back into your spread sheet, and noticed an errata I pass along.
Your cell ¡°M4¡± states value of RLdB = 35.9176dB
Formula for cell ¡°M4¡± shows = 20 x log10 (0.16), which actually calculates to 20 x (-0.79588) = -15.917 dB
If you were trying to show Return Loss, that would be calculated by:
RL dB = 20 log10(1/rho) or 20log10(1/ Is11I)
using your cells
RL dB = 20 log10(1/G4 or 1/M4)
= 20 x log10( 1/.33735) = 20 x log10(2.9643)= 9.438 dB
Small fix.
Plants like the rain.
73
Ed McCann
AG6CX
