Hurricane Maria radio communications relied heavily on legacy equipment and ham radio after the “modern infrastructure” just disappeared. Read more
Hurricane Maria Radio Communications in Puerto Rico
Category: Ham Radio
Hurricane Ham Radio – Backing Up the Pros
Hurricane ham radio is about hams supporting public safety professionals with a variety of communications services that work during tough times. Read more
Will Digital Replace Sideband on HF?
Nearly 60 years ago, SSB replaced AM voice on HF. Next, will digital replace sideband? Maybe not. Read more
Passband Tuning – SSB Receiver Innovation
At the beginning of the sideband era, engineers found interesting ways to move signals around to get different filtering effects – called passband tuning. Read more
SSB Transceiver Era Begins in 1957
For me, the Hallicrafters SR-150 truly started the SSB transceiver era because it included Receiver Incremental Tuning or RIT. Read more
Wired Wireless – SSB Over Phone Lines
Wired wireless was the original name for carrier telephony. Single sideband transmission first made its name over phone lines a century ago. Read more
Project Bird Call – SSB Goes Mainstream
Art Collins used Project Bird Call to demonstrate the superior performance of single sideband in 1956. This experiment changed long distance HF communications forever. Read more
Single Sideband Era – 100 Years Plus
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
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
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