Steve,
I'm glad you adjusted threshold. My comment was not
to you particularly but about my experience with the
Orion, to the thread in general. You never seem to
miss an opportunity to knock the Orion, but your
present comments makes me wonder if you really
understand how the Orion's AGC actually works. What
the heck is an "over active AGC"? Sounds like
something that needs medical attention. You will note
the relevant adjustment I described was hang, not
threshold.
To the rest of the thread:
If you set the hang to zero it is my experience the
elements won't be lost to static induced gain
reduction in the AGC. If you set the hang to anything
except zero you run the risk of some crashes
activating the AGC enough when copying some weak
signals to blank character elements. This tends to
not be a problem on signals well above the noise. For
those signals I often use "slow", which I have set up
for 75M ssb ragchewing. For those strong signals slow
AGC (i.e. a long hang time and a shallow decay slope)
is like CW with FM like quieting.
This AGC still amazes me in its range of
adjustability. It combines some of the best elements
of the old Ten Tec audio derived AGC but also has some
of the best of RF level AGC. I think it's not always
easy to appreciate since the controls are not so
readily available for adjustment, and that makes the
evaluation somewhat cumbersome. Given that these
changes tends to make a difference with ESP level
signals anyway, it's hard to even find a source signal
that transmits long enough to be able evaluate whether
an adjustment made a real difference, or is just due
to QSB or changing band conditions etc. I haven't
found a real good way to do a systematic analysis of
what constitutes "best performance" in terms of more
successful QSO's for really weak stations. If someone
has a good methodology I would be interested in
hearing about it.
73 W9OY
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