Author Archives: David Donaldson

About David Donaldson

64 and Live in Jakarta, Indonesia. like to ride my bikes.

Programming 10m ‘CB’ Radios

What an oxymoron this title is! You can’t have a 10m CB radio! Either it is a Ham radio or CB radio. Supposedly. What I mean by this is a radio that covers the 10m band but retains it’s origins … Continue reading

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President Grant Expanded Mode

Once the Grant 2 Premium is Expanded several functions are added to the radio which are not covered in the Manual. Despite an upgraded mother board there has not been much change in the way the radio works, but here … Continue reading

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Portable and More

I have been working with the 300 ohm TV ribbon to make several antennas and have come to realize that while it is nice and light, the lack of any semblance of strength once the plastic jacket is removed does … Continue reading

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The Coax Vertical Sorted

We have continued to play around with the Coax cable vertical antenna and I think it is sorted. I still need to do a lot more on air tests to make sure it does work significantly better than the Wilson … Continue reading

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The Coax Vertical Antenna

The coax half wave antenna under test on Mt Egmont. I have now been playing around with a half wave of coax cable to find something that works for me. The criteria was quite simple. It has to work considerably … Continue reading

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Working Mobile Portable

Confusion Reigns! Recent events have enabled me to return to New Zealand for a bit while Mum (my Wife in NZ Slang) spends time with our kids before they head off to University and are lost for good for a … Continue reading

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President Lincoln II+

The Flagship of the President SSB range.  We liked the TX audio of the first ones but the AGC problems were a pain. We will find out if they have fixed it and how it works now. 25w PEP out … Continue reading

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