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LF: RE: A new distance record on 970 Hz / 309 km band

To: "[email protected]" <[email protected]>
Subject: LF: RE: A new distance record on 970 Hz / 309 km band
From: VIGILANT Luis Fernández <[email protected]>
Date: Tue, 4 Apr 2017 08:40:01 +0000
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Thread-topic: A new distance record on 970 Hz / 309 km band
Amazing !
 
Congratulations Stefan. Another brick in your wall of outstanding achievements ;-)
 
Question about the 5kV mains modified transformer. Is it a microwave oven transformer ? Or one of those used for spark ignition in
combustion chambers ? What do you use to drive it ?
 
I have one of this around. But remember you mentioned this transformers would not work much higer than 50Hz
As long as there is no need to wind a giant coil this "seems" to be more affordable as a new circus track to play with
But ...... there is never free lunch, for sure. So, tell us about the difficulties there
 
73 de Luis
EA5DOM

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