Wayne, I researched them a year ago and that's one of the good ones.

I have an Astron SS-30-M which I bought back when I started building my K2 in 1999. It's been very quite and a great performer. And I like having meters!

Caveat: All my antennas here at home are coax fed :-)

Phil W7OX

On 4/14/15 3:57 PM, Wayne Burdick wrote:
We've had very good results using this supply ourselves. That said, results 
with switching supplies can vary with type of antenna feed. For example, I 
wouldn't use a switcher if you have no choice but to use an random wire leading 
directly from window to rig. Good grounding can also help.

I'm not sure if a 100% noise-free 30-amp switcher has ever been designed. If it 
has, chances are it would be far more expensive than this one. But if you've 
found one, please let us know.

73,
Wayne
N6KR



On Apr 14, 2015, at 3:47 PM, David and Dianne on Comcast <dhh...@comcast.net> 
wrote:

Check out the 25 eHam reviews.

It's not without issues for some reviewers.

Mostly RFI on some HF bands and fan noise.

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