[Heathkit] SB-401 and SB-301 spoting trouble

[Edward B Richards]

Hi Dave;

It sounds like the two LMO's are off by 5 kc. Which one is correct? check
with WWV and then correct the bad one. Good luck.

73, Ed Richards K6UUZ
Simi Valley, Ca 93065
Home of the Air Force 1 pavilion
 
On Sat, 25 Nov 2006 18:08:59 -0500 <k8dv at fuse.net> writes:
> 
> In the process of putting the SB-301/401 pair back on the air!  The 
> 401 has the crystal pack as well.
>    
> Here is what I am running into:
>    
> The 401 and 301 are cabled together to allow transceive option via 
> the 301 but when I try to use them as seperates and spot the tx to 
> the rx my rx ends up 3 KCs low and it is the same if I use the 
> canary sound or talk myself on frequency.  
>  
> Same results on LSB, USB and CW, checked and all crystals are in the 
> correct location and wired correctly.  
>  
> I have checked the lmo shift on both the 301 and 401 as well as the 
> lmo zero adjustment.  
>    
> Listening on a seperate RX and switching from LSB to USB it is 
> tracking.
>  
> Any thoughts or ideas, I am willing to try it, if cannot use them as 
> seperate pair then don't need the xtals in the 401 and both units 
> have been aligned and using the correct RG-62 cable for the LMO, BFO 
> and HET OSC.
>    
> Thanks,
>    
> Dave, K8DV
>  
> k8dv at fuse.net
> 
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