An ABC News story today tells of the celebrations in Darwin this week marking the start of the Overland Telegraph on 20th June 1870 when the South Australian parliament voted to dedicate about half its annual budget to building the telegraph line!
Barrie Barnes of the SA & NT Morsecodians and others appear in the video accompanying the story explaining the history.
Donnie WA9TGT's Direct Conversion Receivers
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*Donnie WA9TGT writes: *
*I recently built my first basic 40 meter (DC receiver)
from http://www.qrpkits.com/ that uses the common SA602 & LM386 chip c...
16 hours ago