[Elecraft] RE: IF Shift thoughts

Karl Larsen k5di at zianet.com
Thu Aug 10 08:13:27 EDT 2006


Vin Cortina wrote:
> Karl,
>
> By 3.401, do you mean 3.9401 or 3.941?  3.401 would be far enough away 
> to not be a problem, plus it would be well out of the ham band. :)
    Sorry Vin, I meant to say 2 KHz above 3.939 MHz. That is hard to do 
this early in the day.

73 Karl

>
>
> Vin  KR2F
>
>
>
> ----- Original Message ----- From: "Karl Larsen" <k5di at zianet.com>
> To: "Nick Waterman" <laptop at noseynick.com>
> Cc: "Dave White" <dwds at trinustech.com>; "Elecraft Reflector" 
> <elecraft at mailman.qth.net>
> Sent: Thursday, August 10, 2006 7:38 AM
> Subject: Re: [Elecraft] RE: IF Shift thoughts
>
>
>> Nick Waterman wrote:
>>> Dave White wrote:
>>>
>>>> I like this idea.  Perhaps the IF shift function could be assigned via
>>>> the PF1 or 2 buttons to another control besides the VFO - the keyer
>>>> speed comes to mind.
>>>>
>>>
>>> Damned fine point... If IF shift is rarely useful for CW, and Keyer
>>> speed is never useful for SSB, then why bother using PF1/2 at all? Why
>>> not just use that knob as IF shift in modes "U"/"L" and Keyer speed in
>>> mode "C"?
>>>
>>>
>>    Guys you will need a way to know which direction your shifting the 
>> IF. I have a radio with IF-Shift and I use it on SSB. We have a small 
>> New Mexico net on 3.939 and their is a group that meets the same time 
>> on 3.401. Under the present conditions the 3.401 guys are stronger 
>> than my net people :-)
>>
>>    So that I can hear my people with a little distortion I shift my 
>> IF down until my passband is below the bottom of the 3.401 signals. 
>> This works pretty well but is far from perfect. A perfect fix is to 
>> spread out more so you don't have to use IF-Shift. 8-)
>>
>> 73 Karl K5DI
>>
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