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Gerolf Ziegenhain 2015-07-07 19:53:40 +02:00
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@ -57,7 +57,7 @@ For example:
## Hardware interface options
A good description on how to build differnt interfaces (telegraph key, sounder or both)
A good description on how to build different interfaces (telegraph key, sounder or both)
is given on the [MorseKOB Website](http://kob.sdf.org/morsekob/interface.htm).
Landline telegraphs use "closed circuits" for communications; if you have built one at home,
you may also use the [loop interface](http://kob.sdf.org/morsekob/docs/loopinterface.pdf).