[Elecraft] K3 power supply

[Leigh L. Klotz, Jr WA5ZNU]

Gary,
I've been using a Progressive Dynamics RV supply, based on 
recommendations from WB6ZQZ and others here:
http://www.hsfdg.org/wiki/DcPowerSystem

I first used an AGM battery and a Battery Tender / 5A solar panel 
system, but found a bit of sag.
I still use this for backup.
So I switched to a Gamma HPS-1a, which I still have and use for 
traveling, but it didn't do well for me on PSK or MFSK because the 
average current draw is greater than 5A, which is what it has.
But recently I switched the the Progressive Dynamics supply, in parallel 
with the 80AH AGM (still with 5A solar backup) and so far it's working 
well for me.

Leigh/WA5ZNU
K3 #51
K2 #3121
KX1 #712
> I've been re-considering my power supply. I'm using a Heathkit PS 
> which is a 20 amp linear supply. I just looked inside it and it's 
> definitely showing the effects of age. It hasn't been used in quite a 
> long time as I've used a TenTec supply with my Corsair & Omni since 
> day one.
>
> Ihave a few things runing on 12V and they probably draw 2-5 amps on a 
> steady draw. With the K3 I suppose my requirement would be 22A so I'm 
> looking at a 27 or so amp load. I'm currently using wall warts to 
> supply the 12V peripherals and would like to unclutter my station and 
> meet all my "12V" needs.
>
> I'm considering several power supplies & looking at eHam reviews I 
> see Jetstream. They have high reviews and make a nicely affordable 
> 28A for $79 and 45 amp power supply for $149. 
>
> Anyone have any experience with these & the K3?
>
> I'm thinking the larger one might be a good choice in that the 
> components wouldn't be stressed at my station. I do prefer low 
> stress...
>
> Any thoughts on these supplies?
>
> Hope Santa was good to you!
>
> Gary
> KA1J
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