> And if HAPN works on your HT, then you were lucky, it won't
> work with most HTs.
Why not? The spectrum vanishes at 0 Hz, so the PLL should have no
trouble. What else might be a problem?
I used to do 4k8 HAPN duobinary with a c528, and it worked ok (provided
the afsk1200 people using digital squelches weren't trampling on my
signal...)
Kai