[Elecraft] K1 boards open source?

[David Gilbert]

Ahh ... very good point, Bob!  I forgot that.

I assume crystals can still be had from somewhere, though.  I wonder if 
Elecraft kept their old stock of them.

I'm copying the list on your reply since it was someone else who needed 
a new board, not me.

73,
Dave   AB7E




On 6/10/2019 11:09 AM, Bob W7AVK wrote:
>
> Dave - To change bands with the K1 boards you also need to change the 
> crystal.
>
> Good luck,
>
> 73  Bob  W7AVK
>
>
> On 6/10/2019 10:33 AM, David Gilbert wrote:
>>
>> Unless I am mistaken (entirely possible),  all of the K1 band filter 
>> boards were essentially the same except for the coils. I'd bet that 
>> there are several unused two band K1 filter boards out there ... the 
>> result of owners upgrading to the four band module. For example, I 
>> have an extra 40m/20m board left over from when I upgraded my K1, but 
>> I plan to hang on to mine.
>>
>> If you can find somebody willing to give theirs up, it shouldn't be 
>> too difficult to find the coil winding instructions for the bands 
>> you're interested in.  There was even a guy who used to wind the 
>> coils for a small fee, and if he's still around he probably still has 
>> the materials for them.
>>
>> After all, you don't need a run of boards ... you just need one module.
>>
>> 73,
>> Dave   AB7E
>>