ah. I remember something like that on the old valve rigs I use to own. a 
520 and a yaesu 101b. both of which I drove so hard it's a wonder they 
didn't die.


On 27/02/2008 11:57 PM, the old scribe known as Buddy Brannan was able 
to impart this pearl of wisdom:
> On Feb 27, 2008, at 2:18 AM, Shaun Oliver wrote:
> 
>> um. probably a silly question but, what does the crystal calibrator  
>> do?
> 
> Arrrrrrrrrgh! These young whiper snappers these days. *LOL*
> 
> A crystal calibrater is a handy thing in older analog type rigs. It  
> injects a signal every (usually) 100 or 25 KC to aid in more accurate  
> tuning. So to get close, you just count heterodyns from the top or  
> bottom of the band, then dial in from there. Naturally, this is  
> somewhat more difficult, say, on 40 meters at night with all the  
> international broadcasts but still very do-able. Ironically as it  
> turns out these days, Ten-Tec had one of the best implementations of  
> this I'd ever seen. Instead of just a straight carrier type signal,  
> Ten-Tec had their calibrator switch off about twice a second so you  
> got a very distinct beep-beep sound as you tuned through it.
> 
> Buddy, KB5ELV
> 
> 
> __________ NOD32 2904 (20080227) Information __________
> 
> This message was checked by NOD32 antivirus system.
> http://www.eset.com
> 
> 
>