Today is the anniversary of an historic solar storm, the Carrington Event On Sept. 2, 1859, a CME struck Earth’s magnetic field with such power that telegraph stations caught fire and people in Cuba read their morning newspapers by the red light of the aurora borealis. If a similar storm…

The ARRL September VHF Contest gets underway on September 12 at 1800 UTC and wraps up on September 14 at 0259 UTC. This operating event provides a chance for radio amateurs at all levels to experience contesting on the most popular VHF and UHF bands, as well as on those…

Looking for helpful apps for your iPhone? DX Zone has some recommendations. Running Android? Here are 5 more just for you.

Here’s a useful link for those who may be wiring microphone cables.

From the CMEN Facebook Page Central Michigan Emergency Network is at it again, we just connected our multi-site linked APCO P25 Network to the emerging world wide amateur radio P25 network. Brother TJ (KC8LTS) had a QSO with David (NX4Y) in Land O’ Lakes FL and Mitchelle (KH6MP) in Honolulu,…

 Just launched on Kickstarter, NextThing’s CHIP is a $9 Linux PC with a 1-GHz R8 processor, 512 MB of RAM and 4GB of flash storage. It goes a step beyond the $35 Raspberry Pi with Wi-Fi and Bluetooth built in. NextThing also touts $49 Pocket CHIP, a handheld device for the CHIP with a470 x 272…

(Via KX9X/ARRL) Hams in Nepal, already in limited supply, continue to turn out to aid in the ongoing recovery from the April 25 earthquake that struck the Himalayan nation. Radio amateurs in neighboring India are also pitching in, and at least two groups of hams from Gujarat, India, are planning…

For many of us older guys, our first experience with home brew was building a crystal radio. Incredibly simple, yet also incredibly magical, some wire a paper tube and a piece of rock suddenly sent Tiger Baseball into our headphones. From our friends at CrystalRadio.net, some accessible and fun radio…

A film about radio use at the end of the Second World War. There is an interesting simulation of an AM ham radio contact at 3:08.

If you’ve ever sung in the shower and hit a note where the sound seemed to amplify, you’ve experienced resonance. Every antenna has a particular frequency on which it is “resonant”. When we transmit on a radio frequency that is resonant with the antenna, very little power is lost and…