[RFI] Unknown Signal

[Pete Smith]

At 08:37 PM 12/7/03 -0500, you wrote:

>I popped my wife's telephone apart, and it has a simple 28.63 crystal.
>Obviously they are everywhere.
>
> > The 28.636 Mc. signal comes from video cards/circuits in computers & some
> > TV's.  Poke around  PC  boards and you'll find clock osc modules in
> > hermetically sealed rectangular cans, marked  28.636 Mc.  Others use14.318
>

Well, that sure helps to explain why they don't all see to come from one 
place, or for that matter why the sound may be different on different 
receivers...


73, Pete N4ZR
Happy Holidays
Check out the World HF Contest Station Database at 
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