LongChat for Ham Radio
There was a time when ham radio operators were known for having long conversations over the radio — rag chewing, as they called it. A new program, LongChat, is a …read more Continue reading LongChat for Ham Radio
Author Archives: Al Williams
Fluke Meter Fails with a Simple Problem
[TheHWcave] found a Fluke 27 multimeter that looked like it had had quite a rough life. At first, the display flashed an overload indicator until he gave it a good …read more Continue reading Fluke Meter Fails with a Simple Problem
A Month Without IPV4 is Like a Month Without…
Recently, there was a Mastodon post from [nixCraft] challenging people to drop their NAT routers for the month of November and use only IPv6. What would it be like to …read more Continue reading A Month Without IPV4 is Like a Month Without…
3D Printing Threaded Replacements
Printing an object with threads is nothing new. If you know the specifications on the other thread or you are in control of it, no problem. But [Shop Therapy] wanted …read more Continue reading 3D Printing Threaded Replacements
Car Radio Chip Goes Into DIY Build
[Sjef Verhoeven] still loves radio and enjoys the challenge of listening to radio signals from far away. He wanted to build his own radio and turned to the TEF6686 chip, …read more Continue reading Car Radio Chip Goes Into DIY Build
A Brief History of Calculator Watches
When humans counted on their fingers, everyone had a state-of-the-art (at the time) calculator at all times. But as we got smarter about calculation, we missed that convenience. When slide …read more Continue reading A Brief History of Calculator Watches
Linux Fu: Audio Network Pipes
Life was simpler when everything your computer did was text-based. It is easy enough to shove data into one end of a pipe and take it out of the other. …read more Continue reading Linux Fu: Audio Network Pipes
Solar Orbiter Takes Amazing Solar Pictures
There’s an old joke that they want to send an exploratory mission to the sun, but to save money, they are going at night. The European Space Agency’s Solar Orbiter …read more Continue reading Solar Orbiter Takes Amazing Solar Pictures
Square Roots 1800s Style — No, the Other 1800s
[MindYourDecisions] presents a Babylonian tablet dating back to around 1800 BC that shows that the hypotenuse of a unit square is the square root of two or 1.41421. How did …read more Continue reading Square Roots 1800s Style — No, the Other 1800s
The Lancaster ASCII Keyboard Recreated
It is hard to imagine that there was a time when having a keyboard and screen readily available was a real problem for people who wanted to experiment with computers. …read more Continue reading The Lancaster ASCII Keyboard Recreated