napisa³ w wiadomo¶ci
...
Szczepan Bialek wrote:

I am simple asking if radio people have trouble with the fact that the
speed
of waves are frequency dependent.

No, they are not because the speed of electromagnetic waves is NOT
frequency
dependent, the speed is media dependent,

"In optics, dispersion is the phenomenon in which the phase velocity of a
wave depends on its frequency,["

S*