[Elecraft] Thinking out loud again...

[k6se@juno.com]

I said:

" 'Critical frequency' is defined as the lowest frequency at which a
signal beamed straight up will still be refracted straight down by the
ionosphere."

I should have said:

" 'Critical frequency' is defined as the *highest* frequency at which a
signal beamed straight up will still be refracted straight down by the
ionosphere."

73, de Earl, K6SE