Configuring the “News Cruiser” for your emergency radio

https://swling.com/blog/2025/11/configuring-the-news-cruiser-for-your-emergency-radio/

#EmergencyPreparedness #EmergencyRadio #JockElliottKB2GOM

Disaster Stories: When Ham Radio Was the Only Line Out

979 words, 5 minutes read time.

In the face of disaster, when power grids fail, cell towers collapse, and the world falls silent, a group of dedicated individuals remains steadfast—amateur radio operators, or “hams.” These men and women, often working quietly behind the scenes, have been the lifeline for countless communities during emergencies. Their stories are not just about radios and frequencies; they’re about courage, community, and the unyielding spirit of service.

The Genesis of Amateur Radio in Emergency Communications

The roots of amateur radio’s involvement in emergency communications trace back to the early 20th century. In 1914, the American Radio Relay League (ARRL) was established, marking a significant step in organizing amateur radio operators. By the 1920s and 1930s, hams were actively engaging in disaster response, providing crucial communication links during floods and ice storms in New Mexico and Minnesota.

The need for organized emergency communication became even more apparent during World War II. In 1942, the Federal Communications Commission (FCC) formed the War Emergency Radio Service (WERS) to ensure that amateur radio could be quickly mobilized in times of national crisis. This laid the groundwork for future emergency services.

The Rise of ARES and RACES

In 1935, the ARRL introduced the Amateur Radio Emergency Service (ARES), aiming to provide organized communication support during emergencies. This initiative was further strengthened in 1952 with the establishment of the Radio Amateur Civil Emergency Service (RACES), a service authorized by the FCC to assist government agencies during civil emergencies.

These organizations have been instrumental in numerous disaster responses. For instance, during the 2003 North America blackout, amateur radio operators played a pivotal role in relaying information and coordinating efforts when traditional communication systems were overwhelmed.

Real-Life Heroes: Ham Radio in Action

The true measure of amateur radio’s impact is best understood through the stories of those who have experienced its benefits firsthand.

During Hurricane Katrina in 2005, over a thousand ARES volunteers provided essential communication services. Hancock County, Mississippi, had lost all contact with the outside world, except through ARES operators who served as 911 dispatchers and message relayers.

Hurricane Michael in 2018 left many areas without power and communication. Amateur radio operators were among the first to establish communication links, coordinating rescue and relief efforts when other systems were down.

During Hurricane Helene in 2024, in Asheville, North Carolina, ham radio operators played a significant role in keeping residents informed during this deadly tropical storm. They provided updates and coordinated emergency responses when electrical grids and telephone communications were disrupted.

The Mechanics of Ham Radio in Emergencies

Amateur radio’s effectiveness in emergencies lies in its unique capabilities. Unlike commercial communication systems that rely on infrastructure vulnerable to damage, ham radios can operate independently. Operators use battery-powered equipment, solar panels, and portable antennas to establish communication links, often without the need for external power sources.

One of the key tools in emergency communications is the use of repeaters. These devices amplify radio signals, extending the communication range, especially in mountainous or obstructed areas. Additionally, digital modes like Winlink allow for the transmission of emails and messages over long distances, even when traditional internet services are unavailable.

Training and Preparedness: The Backbone of Emergency Response

The readiness of amateur radio operators is a result of continuous training and preparation. Events like Field Day, held annually, simulate emergency conditions, allowing operators to practice setting up equipment and establishing communication links without relying on commercial power sources. These exercises ensure that when real disasters strike, operators are prepared to respond swiftly and effectively.

Organizations such as ARES and RACES provide structured training programs, ensuring that volunteers are equipped with the necessary skills and knowledge to handle various emergency scenarios. Their involvement is crucial in maintaining a state of preparedness within communities.

The Future of Ham Radio in Disaster Response

As technology advances, so does the role of amateur radio in emergency communications. The integration of digital modes, satellite communications, and software-defined radios enhances the capabilities of ham operators, allowing for more efficient and reliable communication during disasters.

Legislative support also plays a vital role in ensuring the continued effectiveness of amateur radio. Initiatives like the Amateur Radio Emergency Preparedness Act aim to prevent homeowner associations from banning amateur radio antennas, ensuring that operators can maintain their equipment and remain ready to assist during emergencies.

Conclusion: A Call to Action

The stories of amateur radio operators during disasters are a testament to the power of community, preparedness, and resilience. Their unwavering commitment ensures that when all else fails, communication remains possible.

For those interested in becoming part of this vital network, obtaining an amateur radio license is the first step. By doing so, you not only gain the skills to operate radio equipment but also become a crucial link in a chain that can make all the difference during emergencies.

To learn more about amateur radio and how you can get involved, consider subscribing to our newsletter at https://wordpress.com/reader/site/subscription/61236952 or joining the conversation by leaving a comment, or contact me using the contact form at https://bdking71.wordpress.com/contact/.

D. Bryan King

Sources

• A Brief History of the Amateur Radio EmComm Organization
• Amateur Radio Emergency Service – Wikipedia
• Ham Radio History – ARRL
• Stories about Amateur Radios and Emergency Rescue
• Amateur Radio Emergency Communications – Wikipedia
• Amateur Radio and Emergency Communications – AlertFind
• Ham Radio: A Valuable News Source Especially During Emergencies
• History – CCARES
• Hamming It Up – The Planet Magazine
• Ham Radio Emergency Communications Guide – Ham Radio Prep
• History of ARES and NTS
• Ham Radio Serving Southeast US Recovery Efforts
• Unleashing the Power of Amateur Radio in Times of Emergency
• Amateur Radio Emergency Communication: Lifeline in Crisis

Disclaimer:

The views and opinions expressed in this post are solely those of the author. The information provided is based on personal research, experience, and understanding of the subject matter at the time of writing. Readers should consult relevant experts or authorities for specific guidance related to their unique situations.

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Hawaii: FEMA unveils new emergency-hardened broadcast studio

https://swling.com/blog/2023/05/hawaii-fema-unveils-new-emergency-hardened-broadcast-studio/

#BennKobb #ElectromagneticPulse #EmergencyBroadcasts #EmergencyRadio #EmergencyTransmitter #EMP

Historical Hackers: Emergency Antennas Launched by Kite

Your airplane has crashed at sea. You are perched in a lifeboat and you need to call for help. Today you might reach for a satellite phone, but in World War II you would more likely turn a crank on a special survival radio.

These radios originated in Germany but were soon copied by the British and the United States. In addition to just being a bit of history, we can learn a few lessons from these radios. The designers clearly thought about the challenges stranded personnel would face and came up with novel solutions. For example, how do you loft a 300-foot wire up to use as an antenna? Would you believe a kite or even a balloon?

Why Such a Big Antenna?

Operating the emergency radio from a life raft.

The international rescue frequency in those days was 500 kHz. This allowed simple spark gap transmitters to be placed on lifeboats even in the 1920s. Unfortunately that is 600 meters wavelength! A quarter-wave antenna at that frequency is 150 meters long or nearly 500 feet.

After the Titanic sunk, ships maintained a watch on 500 kHz, and ground-wave propagation ensured a good range. Even after spark gaps fell out of favor, they continued to be allowed on lifeboats due to their simplicity. So by the time the war started, 500 kHz was the frequency everyone monitored for distress traffic

History

German NS2 Set

The German NS2 (or NSG2) was a two-tube 500 kHz transmitter with a crystal oscillator. In 1941, the British captured one and created their own version, the T-1333. A second captured unit went to the United States, spawning the SCR-578 and its transmitter, the BC-778. An SCR-578 had a folded metal frame for making a box kite and a balloon with a hydrogen generator. Water would cause the generator to produce gas and the balloon would carry one end of the antenna aloft. The 4.8W transmitter could reach about 200 miles with its 300 feet of antenna wire lofted into the air. You needed at least 175 feet of antenna out for the radio to work.

The American set could use a kite or a balloon to lift the antenna.

The designers knew you wouldn't be able to erect that much wire in a life raft. The kite or balloon were workable solutions and would deploy the antenna from a reel mounted in the radio (you can watch a modern-day kite launch in the video, below). Not only that, they could obviously envision what the situation would be like on a tiny raft bobbing around. These radios all had a shape designed to clamp between your knees during operation. The hourglass-like shape spawned the nickname "Gibson Girl" after the illustrations of Charles Dana Gibson. They were also waterproof and made to float.

There were variations. The NSG2 produced 8 watts out using a crystal oscillator while the United States version didn't use a crystal -- they were in short supply -- and produced less power. The T1333 used a flare gun to launch the kite folded up, which would deploy at 200 feet. It was also rectangular and had pads to allow the operator to grip the box in operation and didn't have a balloon.

The entire kit weighed about 33 pounds and included a signal lamp, two balloons, two water-activated hydrogen generators, two rolls of antenna wire, and a parachute so you could drop the whole bag from an airplane.

A True Lifeline

It would be a pretty bad situation if you fished out your survival radio when you needed it and found the batteries were dead. That's why these radios typically had cranks to generate electricity. No batteries to replace or wear out. If you had enough strength to turn the crank, you were on the air. The crank could also automatically send SOS.

If you want to read more about these old radios, check out [RadioNerd's] scans of the military manuals. There's a lot of detail there. For example, it explains that the hydrogen generator uses lithium hydride to produce hydrogen gas when exposed to water. The automated system for sending SOS, AA, or dashes was clever and something we'd do with a microcontroller today but in the 1940s, required mechanical engineering. The circuit description is interesting, too.

The design was durable. Both military and civilian aircraft used the SCR-578 or its direct descendant the AN/CRT-3 until the 1970s. The newer radio acted like the older one, but could also transmit on 8,364 kHz. The Russians started making copies of the original transmitter in 1945. The AVRA-45 is hard to tell from its American counterpart, apart from the lettering on the case.

Hindsight

I don't know which German engineers at Frieseke & Höpfner GmBH designed the NS2, but they were clearly thinking about their users and willing to solve problems in the true hacker fashion. The shape is easy to grip, the crank does away with battery problems, and the radio is suited for its intended use. You have to wonder what other ideas they had for lifting the antenna before they settled for the balloon and kite combo. I also wonder why the British kite is so different and requires a Very pistol to launch.

Of course, this wasn't the first example of a kite-lofted antenna. In 1898, a weather balloon lifted an antenna over Massachusetts and in 1901, Marconi's antenna at Newfoundland would communicate with England while connected to a man-carrying observation kite. Military use dates back to at least 1905 with the United States Army using them as late as 1920. The British and Germans were using them around the turn of the century, too and the U.S. Navy had kite-based antennas on seaplanes in 1922. Still, the NS2 was a marvel of packaging and practicality.

The NS2 was the successor to the heavier NS1. While it did have a kite, it also had an ungainly aluminum antenna for use with no wind and it also relied on batteries. You can presume that by taking honest feedback on the NS1, the engineers were able to build the NS2 and they really hit the mark. After all, isn't imitation the sincerest form of flattery? I doubt those engineers considered themselves hackers -- that term wasn't even in use then -- but I do.

It is amazing how simple a radio can be if you are motivated enough. Don't think hams haven't used balloons before, either.

[Main image source: German WWII emergency kite by Helge Fykse]

#hackadaycolumns #history #radiohacks #emergencyradio #worldwar2 #worldwarii

Emergency radio practice with #e05

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