[Boatanchors] Need Xtal Frequency Conversion Formula

[Gary Schafer]

Subtract the first IF frequency from the crystal frequency.

73
Gary  K4FMX

Duane B. Fischer, W8DBF wrote:
> 	
> Hi All, 	
> 	
> Can one of you please give me the formula to convert the frequency on a HF
> crystal to its counterpart in 'actual' listener MHZ? Such as, a crystal from ICM
> has 8.5 written on the top of it. What does this equal in actual listening MHZ?
> For instance, I know that 11.5-12.0 MHZ is shown on the crystal as 18 MHZ. Is
> there a formula to convert that 18.0 or how does the listener know it equals
> 11.5-12.0 MHZ on the receiver dial?	
> 	
> I have the formula for VHF and UHF, but nothing for HF. Thank you very much.	
> 	
> Duane W8DBF	
> 
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