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Codan Communications (Australia)
Barratt Communications ( Aus.) Commercial HF SSB; these two companies have HF down to a fine art, datacomms included !
The new home of the PC-ALE program developed by Charles Brain, G4GUO.
This New Zealand site has links to a HF SSB repeater project and information on co-axial resonators.
The Rogers-Dobbins Folded Conical Helical antenna is an interesting way to get a big antenna in a small space.
GW4ALG’s ‘Super-Sixty 5MHz Transmitter and Receive Converter.
An antenna design that fits into a standard A4 ringbinder with not in use. While only designed for 40-10m it may be extended for the lower bands.