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sequencer made by I1KFH

   sequencer (tr time-delay generator by N6CA)

The tr time-delay generator in English language is on:
2001 ARRL Handbook – chapter 22
http://www.arrl.org/notes/hbk-templates/n6ca-tr.pdf

   remark by I1KFH

This interface is very good. I used them with many rigs and I didn’t have problem!
printed circuit board (82x64 mm. size)