> "Steve S. Bosshard (NU5D)" <[EMAIL PROTECTED]> wrote: > I beg to differ on this one, most respectfully, but we are > talking about the difference between running the transmitter > at 2.5 Khz deviation vs 5.0 Khz, ie, 12.5 Khz occupied band > width, vs, 25 khz occupied band width - does this mean a > duplexer retune is needed when we switch from narrow FM to > wide FM in modulation ?
I didn't see anything about the tx deviation stated in the original post I answered. Must have missed that part... > I will concede that the depth in notch is much more dramatic > than the change in pass band, and if the system is marginal > to begin with, it might make a difference, but for the > most part, Keywords "for the most part" > moving 12.5 Khz would not be noticeable in performance. Noticeable by whom? > Of course, there is no harm in re-tuning (I hope)... > 73, Steve NU5D Sometimes hope is all ya got. cheers, s.
