[Elecraft] OT: Audible hum from Astron linear power supply. Fixable?

[Phil Wheeler]

Only if your laptop is a very old and heavy one :-)

Way back I had one heavy enough!

Phil W7OX


On 9/14/14, 5:27 PM, Barry wrote:
> dmb at lightstream.net wrote
>> A stack of about a year's worth of QST magazines placed atop the power
>> supply does the job here. I believe other magazines would also work.
> Thanks for the suggestions.  Will this work if I bring up the electronic
> edition of QST on my laptop and put the laptop on top of the power supply?
> 73,
> Barry W2UP