[Amps] Cell phones, digital cameras and RF

[Fuqua, Bill L]

I should have made the subject not bullet proof but RF proof.
73
Bill wa4lav

________________________________________
From: amps-bounces at contesting.com [amps-bounces at contesting.com] On Behalf Of Fuqua, Bill L [wlfuqu00 at uky.edu]
Sent: Monday, March 05, 2012 12:40 PM
To: amps at contesting.com
Subject: [Amps] Cell phones, digital cameras and RF

  How many times have you taken a picture of an amplifier tube glowing very red with the cover removed and with a cell phone or digital camera?
I have done it a number of times and yet the relatively intense RF electric fields seem to have no effect. I have taken photos of my 4-1000A amp with
bright red plate and probably 6 or 7kV p-p rf only a foot away or so.
They must be very well shielded!
  73
Bill wa4lav
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