We still enjoy the single sideband era for voice communication in amateur radio. And yes, when not properly tuned, it still can sound like Donald Duck. Read more
Tag: hamr
NEAR Warning System Never Happened
I’ll bet you have never heard of the NEAR warning system. This effort to put nuclear attack warning buzzers in every home and office was a near miss. Read more
Heathkit Remembered – Original Radio DIY Company
Heathkit remembered as a fifty year history of quality equipment you could build yourself. Even I managed to build a few. Read more
Radio Hats – The Original iPod
Radio hats were the forerunner of the iPod. These geeky accessories have been around since the 1920’s, and you can still buy one. Read more
Wireless Navy – Floating Antennas and Sparks
The wireless navy arrived with the twentieth century. Navies around the world provided much of the leadership for the invention, adoption and use of HF radio communication. Read more
Wireless War – 100 Years Ago
The wireless war started a hundred years ago. Radio made great strides during World War II with adoption, use and technological development. It offered mobility. Read more
ANC-4 Demonstration – Adventures with RFI
Take a look at how to cancel radio frequency interference. Here is an ANC-4 demonstration video. Read more
MIDI DJ Controller – Enhanced SDR Panel
MIDI DJ Controllers are being adopted by shortwave listeners and hams to provide extra tuning knobs and switches. Looks like fun! Read more
Noise Antenna to Reduce Nearby RFI
Get the noise antenna right, and the noise canceller will do its job. It’s simpler than you think. Read more
Noise Cancellers – Essential Resource for Radio Listeners
Noise cancellers are an essential resource for HF radio listening. No longer a last resort as the noise floor becomes worse and worse. Read more