QEX -the journal of Ham Radio creativity

QEX is the ARRL “Forum for Communications Experimenters.” Published bimonthly, it features technical articles, columns, and other items of interest to radio amateurs and communications professionals. The mission of QEX is to:

Provide a medium for the exchange of ideas and information among Amateur Radio experimenters,
Document advanced technical work in the Amateur Radio field, and
Support efforts [...]

Reach for the Heavens

Near Space Ventures and CAPnSPACE are not-for-profit Missouri Corporations dedicated to the advancement of Aerospace Education, with an emphasis on low cost access to Near Space, using high-altitude balloons and amateur radio.

Stratofox is a team of Amateur Radio operators mostly in or near Silicon Valley who perform or participate in tracking and recovery operations for [...]

13.56 as a Cancer Cure?

John Kanzius, K3TUP, had an idea – killing cancer cells with radio waves.  This had been tried before with poor results.  John’s experience in ham radio had taught him that radio energy (RF) can heat objects.  But his idea went further. What if the cancer cells were tricked into taking a metal target inside just [...]

What is A.L.E. ???

 
What is ALE?
ALE is the acronym for Automatic Link Establishment. Automatic Link Establishment is the de-facto worldwide standard for initiating and sustaining communications using High Frequency radio. HF radio conveys signals via ionospheric propagation, which is a constantly changing medium. With the capability to call up a specific HF station, a group of stations, a [...]

Amateur Radio in Space

Amateur Radio on the International Space Station
Ham Radio on the ISS, NASA
When astronauts, cosmonauts and mission specialists from many nations fly on the international space station, they will have amateur, or ham, radio as a constant companion. Since its first flight in 1983, ham radio has flown on more than two-dozen space shuttle missions. [...]

What is Ham Radio?

 

 

What is Ham Radio?
A housewife in North Carolina makes friends over the radio with another ham in Lithuania. An Ohio teenager uses his computer to upload a digital chess move to an orbiting space satellite, where it’s retrieved by a fellow chess enthusiast in Japan. An aircraft engineer in Florida participating in a “DX [...]

SDR – downloading a radio?

Download a new radio?  Yes, we do that!
Since the beginning of radio itself, signals arrived at antennas and were processed by bits of hardware so that the information they carried could be understood by human beings. A century ago, the hardware amounted to little more than crystals and coils of wire. Vacuum tubes followed, [...]

Take one used Spacesuit….

Take one used spacesuit.  Insert Amateur Radios into the helment and toss it overboard in space.  You’ve now made a “Suit-Sat” !!!
Hams had so much fun with the first one, that they are going to do it again.
SUITSAT-2
Plans to launch a second “SuitSat” spacesuit-turned-satellite are the
subject of discussions and presentations at the AMSAT Space Symposium [...]

Technical Careers begin with Ham Radio

Amateur Radio is a great way to stay current on the latest trends in data communications.  Most people in IT nowadays are basically installing software written by others and rarely get a chance to see how things work under the covers.  Amateur Radio often provides the hands-on opportunities, 
Will McCutcheon, KI5JJ, is an engineer with [...]

Time is a frequency

How I Became A Time-Nut
John Ackermann   N8UR  
Everyone knows that time is money.  But did you know that it’s also frequency?  Time and frequency are different ways to look at one of the fundamental dimensions of the universe (to be more precise, the ferquency of a radio wave is defined by the number of its cycles [...]