One very good thing about Macs - I haven't heard of a single instance of noisy psu
On 09/03/2008 22:42, "Stephen Prior" <[EMAIL PROTECTED]> sent: > I can report exactly the same thing! My external USB drive's power supply > is absolutely atrocious. I had blamed my high noise level on everything > else first. I'd even turned the computer (mac) off, and that made no > difference! Sometimes life is just too complicated! > > 73 Stephen G4SJP > > > On 9/3/08 22:22, "Jay" <[EMAIL PROTECTED]> wrote: > >> Thom LaCosta wrote: >>> Did the problem go away when you replaced it with another of that type >>> - i.e, was it a defective bulb? Or do all bulbs of this type give you >>> this problem? I have several of them here and haven't noticed any >>> problem, but I might have missed something. >>> >>> I have one that's right over the rig...and as far as I can tell, it >>> isn't making noise....I unscrewed it and there was no difference in >>> the QRN. >> Thom and the group, >> >> I have had a terrible noise on 40m for quite a while and I thought (big >> mistake) it was really band noise. >> >> Last Thursday evening just before the Fox hunt, I decided to really >> determine if it was band noise or "in the house" noise. >> >> The CFL's, computer, and computer monitor were fine. The last thing I >> powered off was the brick power supply for an external IDE hard drive >> that I use for backups. The +20 noise dropped to nothing. Plugging it >> back in produced the +20 noise again. My K2 with the KDSP2 sounds >> better now than it has sounded in a long while. >> >> I never realized just how noisy those small devices are. Hope this >> helps someone else.... >> >> Regards & 73 > > > > _______________________________________________ > Elecraft mailing list > Post to: [email protected] > You must be a subscriber to post to the list. > Subscriber Info (Addr. Change, sub, unsub etc.): > http://mailman.qth.net/mailman/listinfo/elecraft > > Help: http://mailman.qth.net/subscribers.htm > Elecraft web page: http://www.elecraft.com -- Being a System Administrator is like being a plumber. If you do a good job, nobody knows. If you screw up, everybody gets covered in s**t! _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com
