[TenTec] Orion II Questions
cw_de_n5op at sbcglobal.net
Fri Dec 19 08:35:37 EST 2014
Isn't this part of why TT provided AGC slope in the RX menu? I find
that, depending on conditions, either 1:10 or 2:10 allows me to separate
signals rather well in a pile-up. A strict adherence to
AF-gain-high/RF-gain-low acts to minimize AGC action.
On 12/19/2014 7:13 AM, Barry N1EU wrote:
> You WILL have AGC compression unless RF Gain is throttled because the AGC
> threshold will be too low.
> It's a simple matter of how much audio dynamic range you want to present to
> your ears. You have to make that determination first and then from there,
> set up the rig's RF/AF gain distribution properly. I'm evangelizing for a
> wide audio dynamic range (with headphone listening) and my comments should
> simply be seen in that context.
> Barry N1EU
> On Fri, Dec 19, 2014 at 7:59 AM, Carl Moreschi <n4py3 at earthlink.net> wrote:
>> Why wouldn't just setting AGC to medium or slow solve all the problems you
>> are trying to fix. That way you never get blasted, you don't have to find
>> a very strong signal to set audio gain, you never get AGC compression on
>> speech, and you don't get band noise between words.
>> Carl Moreschi N4PY
>> 58 Hogwood Rd
>> Louisburg, NC 27549
>> On 12/19/2014 7:47 AM, Barry N1EU wrote:
>>> On Fri, Dec 19, 2014 at 7:42 AM, Carl Moreschi<n4py3 at earthlink.net>
>>>> But the biggest problem with the scheme of using high audio gain and low
>>>> RF gain is you can still get blasted by a very strong signal as you tune
>>>> the band.
>>> That's why the very first step was turning RF Gain to full max, tuning in
>>> an s9++ signal and setting the AF Gain so the signal is comfortably loud.
>>> You leave the AF Gain right there (always) and you never get "blasted."
>>> adjustments after that are with RF Gain.
>>> Barry N1EU
>>> TenTec mailing list
>>> TenTec at contesting.com
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Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP
SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
/"In theory there is no difference between theory and practice. But, in
practice, there is." //-- Attributed to many people; it's so true that
it doesn't matter who said it./
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