Good Video on the Science behind Antennas
A good video on the science on how antennas work. From radio antennas to TV, ham radio, dipoles and beam antennas. Its all about electromagnetic conversion and resonance.
Morse Code found on the surface of Mars by NASA
Since 2012 morse code (also known as CW for the mode of operation) has been making an ‘impact’ on the Mars surface. There is an actual functional reason as to…
World Amateur Radio Day
World Amateur Radio Day (WARD) — 2019 is the 94th anniversary of the International Amateur Radio Union (IARU), which was founded in Paris in 1925. “April 18 is a great…
Coaxial Cable power and attenuation charts
A simple set of charts to show the various power and attenuation level for different types of coaxial cable at various frequencies and bands.
Web based SDR receivers for use
A great resource to find and tune into many web based SDR receivers. Filter by band, region, tune up and down the bands, adjust your bandwidth, record audio, view full…
Another ARRL VE exam session completed
Yesterday I assisted with another VE exam session and we now have 9 new Tech stations and 2 that upgraded to General class. I attended the session at the University…
Raspberry Pi Ham radio uses
Another great website link with a few idea of how to integrate you Raspberry Pi for uses in the Ham radio world. There are a quite a few good ideas,…
A great website and forum page to help with Raspberry Pi and Ham Radio
A great ham radio and Raspberry Pi forum website https://groups.io/g/RaspberryPi-4-HamRadio
Astronomers detect more mystery radio bursts from beyond the Milky Way
Fast Radio Bursts https://www.engadget.com/2019/01/10/astronomers-detect-more-fast-radio-bursts/ A very interesting article about several radio bursts that have occurred in a repeatable fashion that are the same, ie not random.
Transistors technology that changed the world!
A great video on the history of transistors, how they work, what they replaced and how they have truly changed the world. We are now reaching the point of prediction…