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Old 18th Dec 2012, 17:12
  #62 (permalink)  
Tankertrashnav
 
Join Date: Mar 2009
Location: SW England
Age: 77
Posts: 3,896
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Re the NBS course

H2S magnetron frequency 9375 MHz, klystron frequency 9330 MHz, giving a beat frequency of 45 MHz. Learned in 1970 - never forgotten.

But why can't I remember what I've come upstairs for
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