Tag: IFTTT

via HACKADAY: Justin McAllister’s Simple, Post-Apocalypse-Friendly Antennas

Watch Justin McAllister’s presentation on simple antennas suitable for a zombie apocalypse and two things will happen: you’ll be reminded that everything antennas do is amazing, and their reputation for being a black magic art will fade dramatically. Justin really knows his stuff; there is no dangle-a-wire-and-hope-for-the-best in his examples. He demonstrates that it’s possible to communicate […]

via the ARRL: Demand High as New ARRL Introduction to Emergency Communications Courses Open

The ARRL Lifelong Learning Department has launched a revised and updated Introduction to Emergency Communications (EC-001) course, and demand to sign up is prompting the recruitment of additional course mentors to expand the schedule. Registration just opened for the first of four EC-001 online sessions, which will run from Monday, April 1, until Friday, May 31. “The demand for […]

via the ARRL: W6RO aboard the Queen Mary to Celebrate 40th Anniversary in April

The 50-member volunteer crew of the Queen Mary W6RO Nate Brightman Wireless Room will mount a month-long special event in April to mark the 40th anniversary of the station’s opening on the museum ship in Long Beach, California. Launched April 22, W6RO was the first of what has grown to more than 100 Amateur Radio stations based on […]

via the ARRL: The Dave Kalter Youth DX Adventure Returning to Curacao

The 2019 Dave Kalter Youth DX Adventure (YDXA) will return to the PJ2T station in Curacao this summer, with Uli Thielke, DL8OBQ, hosting. The trip is set for July 14 – 19. The application for three youth and accompanying parent(s) is now open. Jim Storms, AB8YK, will serve as the team leader. “At this time there does not […]

via the ARRL: Technical Paper Raises Visibility of Wireless Power Transmission Interference Potential

A technical paper drafted by International Amateur Radio Union Region 1 (IARU-R1) President Don Beattie, G3BJ, is the latest official step to increase the visibility of wireless power transmission (WPT) systems’ interference threat to Amateur Radio. Submitted to the IARU-R1 Interim Meeting, set for April 27 – 28 in Vienna, the paper will update relevant committees on […]

via the ARRL: Reminder: Daylight Saving Time Begins in Most of the US on March 10

In most of the US, Daylight Saving Time (DST) begins on Sunday, March 10, at 2 AM local time. Set clocks ahead by 1 hour. The start of DST does not affect Universal Coordinated Time (UTC), also known as Greenwich Mean Time (GMT) or simply Zulu (Z), although some transceiver clocks generate UTC based on a specified […]

via the ARRL: Highest-Ever Summits on the Air Activation Reported

Tom Rudzinski, SQ9FVE, made Summits on the Air (SOTA) history on February 16 by activating Aconcagua in Mendoza, Argentina. At 6,962 meters (22,841 feet) above sea level, the mountain is the highest peak in both the Southern and Western hemispheres. An experienced and skilled mountaineer, Rudzinski planned the expedition carefully, including all necessary support. He […]

via the ARRL: WWV Centennial Special Event Will Use WW0WWV

With its funding secure for another year, WWV, the world’s oldest continuously operating radio station, will have extra reason to celebrate its centennial this fall. The National Institute of Standards and Technology (NIST) and the Northern Colorado Amateur Radio Club (NCARC) have teamed up to organize 100th anniversary events. A memorandum of understanding is pending. […]

via the ARRL: FCC Takes a New Tack in Combatting Unlicensed Radio Broadcasting

In what may be a first in the effort to crack down on unlicensed broadcasters, the United States has filed a civil action to stop a church-related pirate radio station from operating in Worcester, Massachusetts. The Massachusetts US Attorney’s Office is seeking an injunction to shut down the station, operating on 97.1 MHz. “This groundbreaking […]

via the ARRL: German Radio Amateur Successfully Sends 2.5 mW OPERA Signal via Es’hail-2

Markus Vester, DF6NM, recently used the digital mode OPERA to send a 2.5 mW signal through the 2.4 – 10 GHz transponder of the Es’hail-2 (QO-100) geostationary satellite. OPERA is a “slow” digital mode for very weak signal work that enables the exchange of call signs and signal reports. According to a post on the Digital Radio […]

via the ARRL: Amateur Radio Volunteers Activate Following California Flooding

Amateur Radio volunteers with the Sonoma County, California, Auxiliary Communications Service (ACS) rallied to assist in February after heavy rain led to flooding in the region. San Francisco Section Manager Bill Hillendahl, KH6GJV, told ARRL that while no actual communication emergencies occurred during the weather event, Sonoma County ACS volunteers provided “needed eyes” and were […]

via HACKADAY: Does WiFi Kill Houseplants?

Spoiler alert: No. To come to that conclusion, which runs counter to the combined wisdom of several recent YouTube videos, [Andrew McNeil] ran a pretty neat little experiment. [Andrew] has a not inconsiderable amount of expertise in this area, as an RF engineer and prolific maker of many homebrew WiFi antennas, some of which we’ve featured on these […]

via the ARRL: VE7DXW’s “RF Seismograph” May Be Real Seismograph

Alex Schwarz, VE7DXW, in British Columbia, Canada, is exploring the possibility that “RF signatures” detected by the RF Seismograph propagation tool could also be indicating earthquakes, and may even be able to predict them shortly before they occur. A real-time HF propagation-monitoring tool developed by Schwarz and the MDSR team, the RF Seismograph shows both band noise and activity or […]

via the ARRL: V84SAA DXpedition is Front-Page News in Brunei

The V84SAA DXpedition February 6 – 18 received a great deal of positive attention in Brunei — a tiny nation surrounded by Malaysia on the South China Sea. The arrival of the DXpedition team not only merited coverage on the local evening newscast, but a front-page newspaper article. According to the article, the DXpedition aimed “to increase […]