Topband: Power Supplies and Top Band noise man made noise
Michael W Elliott
kq0b at sbcglobal.net
Mon Feb 11 19:31:57 EST 2008
Pulse noise and rfi with switching supply on 160m
I thought about not writing this but then decided it might help someone else who was having same problem as me
I was using an Aston SS-30M power supply for my Orion II for power.
Although this is a good power supply and I thought adequate for the Orion II, I had some unusual noise on specific frequencies that really hampered marginal signals.
Like between 1810-1819 and other areas. You know those DX areas where the dx like to transmit.
After swapping it out with an Astron RS-35m things are a heck of a lot quieter and the rig is functioning great.
The techies can dissect what may have been the problem but I found a simple solution for my situation.
Michael W. Elliott, CISSP
(Certified Information Security Specialist Professional)
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