Lou,

I've never heard of a rig that didn't have a way to turn the AGC on and off. 
What ones have that non-feature?

Steve

----- Original Message ----- 
From: "Lou Kolb" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, January 01, 2014 12:28
Subject: Re: MFJ Noise Bridge Again


> Tom,
>
> Turning down the RF gain is a good idea and turning off the AGC, if
> possible, is an even better one.  Of course, the AGC activity would make 
> it
> difficult if not impossible to hear the null.  I turn mine off when trying
> to orient the beam on a signal but I know not every rig has this function
> available.  Good luck.
> Lou Kolb
> Voice-over Artist:
> Radio/TV Ads, Video narrations
> Messages On-hold:
> www.loukolb.com
> ----- Original Message ----- 
> From: "Tom Behler" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, January 01, 2014 11:22 AM
> Subject: Re: MFJ Noise Bridge Again
>
>
>> Howard:
>>
>> I think I'll have to back the RF gain down on the TS480 at least somewhat
>> in
>> order to effectively work with the noise bridge, based on my limited
>> experience with the device and my TS590.  Adjusting the RF gain on the 
>> 480
>> is, of course, a bit of a hassle, since you have to do it via the front
>> panel keypad and function knob, rather than a simple single knob
>> adjustment,
>> but it is doable.  I seem to recall it is number 6, but will have to 
>> check
>> the manual.
>>
>> In any case, I'm not going to go out into the RV today and try it, since
>> temps are in the single digits, wind chills are below 0, and since I'd
>> have
>> to trudge through at least 12 inches of snow to get there.  (grin)
>>
>> Tom Behler: KB8TYJ
>>
>>
>> -----Original Message-----
>> From: For blind ham radio operators 
>> [mailto:[log in to unmask]]
>> On Behalf Of Howard Kaufman
>> Sent: Wednesday, January 01, 2014 11:11 AM
>> To: [log in to unmask]
>> Subject: Re: MFJ Noise Bridge Again
>>
>> Tom, you got it right!
>> The minimum pulse is very accurate.  Any additional circuitry adds loss.
>> I am not sure if you can just attenuate the signal while listening on the
>> 480, or if you will have to crank the rf gain back as well.
>>
>>
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>