[TenTec] Correction

[Keith Hamilton]

Actually I wondered that myself Geoff. The filter is stamped "282" and "48054" on the top of the crystals. 

Keith W8GX


On Jul 6, 2011, at 1:02 AM, geoffrey mendelson wrote:

> 
> On Jul 6, 2011, at 7:52 AM, Keith Hamilton wrote:
> 
>> Actually I am trying to reconcile the differences between the center  
>> frequency of the 500 Hz filter and the 250 Hz filter, both in the  
>> 6.3 mHz PB IF. The center frequencies should be the same -( 6.299250  
>> I think) regardless of the PBT control setting (11  or 1 o'clock) or  
>> the 9 mHz filter in use (I was using the 2.4 hz filter in the 9mhz  
>> IF at the time.) Since the center frequencies are not the same, (I  
>> must make a frequency adjustment to obtain maximum signal strength)  
>> I wanted to know if I can adjust the center frequency of my 250 hz  
>> filter or is the filter just too old and drifted. I would also like  
>> to know if others have experienced this discrepancy between two  
>> filters installed in their radio. Is it common for the older Ten Tec  
>> filters to go off frequency?
>> Thanks!  Keith W8GX
> 
> 
> Do you have an RTTY (as opposed to CW) filter?
> 
> Geoff.
> 
> 
> -- 
> Geoffrey S. Mendelson,  N3OWJ/4X1GM
> Making your enemy reliant on software you support is the best revenge.
> 
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