[Hammarlund] The SP-600-VLF-31 and crystal control

[Kenneth D. Grimm, K4XL]

Kenneth G. Gordon wrote:
> The subject receiver has provision for 4 crystal controlled channels and 
> VFO, very much like the other "X" marked SP-600s. It has a switch in 
> the upper right corner of the front panel so marked.
>
> As I remember it, the crystals go in the second-conversion oscillator, so 
> their frequencies are, IIRC, in the 3 Mhz range.
>
> I will dig out my SP-600-VLF-31 manual and look at it over the next 
> couple of days, and will report back to the list.
>
> Ken W7EKB
>
>   
For those of you who would like to follow along, the SP-600-VLF-31 
manual has just been placed on the BAMA Hammarlund page thanks to Erik 
Thomassen, LA6TJA.  It is also available on the Edebris mirror site.

73,

-- 

Ken K4XL
k4xl at arrl.net

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