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This
chapter is dealing with various hardware and accessories
Select your area of interest:
o An audio-bus system for the
amateur station
o Battery charger plus
emergency back-up power
o Driver for small synchronous motors (e.g. 'magnetic loop'
control)
o Simple but versatile
Morse-code sounder
o Bi-stable relays
(e.g. for end switches)
o Digital
signal processing for speech signals
Accessories and other additions to the radio hobby usually are less
spectacular but may make an interesting contribution
to the radio station. Your additions and remarks will be appreciated
on9cvd@veron.nl