Left out a point:
The T/R relays in a non-QSK amp typically require some
12 or so milliseconds to switch and settle from any contact
"bouncing"; so RF must be held back from the Orion over
to the linear at least that long, or at least twice a typical
dit leading edge rise time. The QSK-5, when it was operating
correctly, would hold those linear T/R relays closed; all the
switching between CW elements was done via PIN diodes
in the -5 device.
In the Orion, how much time is held "back" before RF even
starts the climb up the leading edge of a dit???
I once had this number for the Omni VI+, but cannot seem
to recall it, nor find from where I learned it.....must have been
from someone on this reflector, hi.
73, Jim KH7M