"Roy Lewallen" wrote:
With no information other than looking at the composite signal including
video and audio, would you be able to tell if it was generated by two
separate transmitters or by modulation of a single transmitter by the
video and an audio subcarrier? That is, if you could do the modulation
without generation of intermodulation products.
______________

Given all that, then no. But that isn't the reality.

RF