In the previous sections, we eavesdropped on a live conversation between two ham stations, one in Windsor Ontario and the other in Venezuela on the northern coast of South America. And I mentioned that while you’ll find hams of all … Continue reading
Category Archives: Amateur Radio
Listen a Lot, Talk a Little (Part 2 of 3)
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In the first part of this post, we had a quick look at a conversation taking place between ham radio stations in Ontario Canada and Venezuela where I just happened to be in the right place, Phoenix Arizona, to “hear” … Continue reading
Listen a Lot, Talk a Little
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This gallery contains 5 photos.
I’m running my ham radio that uses the computer to do a lot of the work. Here’s a quick run down on what you see. First, notice there are four windows including a big, multi-section one in the upper left, … Continue reading
ASCII to Morse Translator
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While there are several ASCII to Morse code translators out there, I haven’t seen the encoding used herein. It is slightly denser than most and should work nicely in machines with a tight memory constraint. The basic translation represents each … Continue reading
On The Air (Again)
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Upper Pulley Location (Not Me At 55′) I made my first contact yesterday after many years. I ran an End-Fed Half Wave (EFHW) as a vertical up the side of a tall palm tree using the rope and pulley installed … Continue reading
HF Portable Wire Antenna Kit
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One of my passions is experimenting with antennas, wire antennas for HF to be precise. I want to be able to improvise and adapt to the situation at hand whether I’m at home, traveling on business, or hiking in the … Continue reading
Nuts!
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I’m using PC board to construct some custom enclosures. The materials and construction techniques will be the topic of a future posting here. But in working out all the details, there’s an interesting challenge to bolting the box shut. Specifically, … Continue reading
Juma RX-1
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Juma RX-1 Direct Conversion Receiver (Click for larger image) Here’s my completed Juma RX-1 direct conversion DDS receiver. If you’re familiar with the unit, you can see I’ve pretty much built it as the designers, Juha Niinikoski OH2NLT and Matti … Continue reading
Residence Antenna Plan
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My wife and I live in Phoenix in a 1960 city-size lot. I mention the year because city lots have shrunk in the past couple of years and our 100’x105′ property seems large by comparison. But with the sparsity of … Continue reading
Resurrection
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After many years of inactivity in ham radio, I decided to “go all the way” (while I still could) and get my Extra Class ticket. So in the middle of 2009, I bought the ARRL’s Extra Class study guide and … Continue reading