PODCAST: This Week in Amateur Radio #1009

This Week in Amateur Radio #1009 Here is a summary of the news trending this week, June 30, 2018. This weeks edition is anchored by Rich Lawrence, KB2MOB, Don Hulick, K2ATJ, Will Rogers, K5WLR, and Jessica Bowen, KB2VWX. Produced and edited (and a little anchoring too the week) by W2XBS. Running Time: 1:16:56 Download here: […]

via HACKADAY: Philo Farnsworth, RCA, and the Battle for Television

The parenthood of any invention of consequence is almost never cut and dried. The natural tendency to want a simple story that’s easy to tell — Edison invented the light bulb, Bell invented the telephone — often belies the more complex tale: that most inventions have uncertain origins, and their back stories are often far […]

via HACKADAY: Bandpass Filters from the CNC Mill

A bandpass allows a certain electrical signal to pass while filtering out undesirable frequencies. In a speaker bandpass, the mid-range speaker doesn’t receive tones meant for the tweeter or woofer. Most of the time, this filtering is done with capacitors to remove low frequencies and inductors to remove high frequencies. In radio, the same concept […]

Scanner chatter goes quiet as police agencies turn to encryption (Virginia)

Across the land, the scanners are going dark. Several law enforcement agencies in Virginia have moved recently to encrypt the messages they send over the radio, leaving dead air for listeners of police scanners — long the source of information for the news media and titillation for thrill-seekers. On Monday, police in Richmond and surrounding […]

via the ARRL: ARRL Urges Regulatory Regime to Keep Non-Amateur Satellites off Amateur Spectrum

ARRL wants the FCC to facilitate bona fide Amateur Satellite experimentation by educational institutions under Part 97 Amateur Service rules, while precluding the exploitation of amateur spectrum by commercial, small-satellite users authorized under Part 5 Experimental rules. In comments filed on July 9 in an FCC proceeding to streamline licensing procedures for small satellites, ARRL suggested that […]

via the ARRL: ARRL Represented at IEEE Symposium in Boston

ARRL was on hand in Boston July 8 – 13 for the Institute of Electrical and Electronics Engineers (IEEE) Antenna and Propagation Society (AP-S) Symposium, held jointly held with the US National Committee of the International Union of Radio Science (URSI). The ARRL exhibit included an Amateur Radio special event demonstration station, N1P, and more […]

via the ARRL: ARRL Volunteer Examiner Team in Australia Holds First Technician Test Session under New Element 2 Question Pool

An ARRL VEC Volunteer Examiner (VE) team in Bankstown, New South Wales, Australia, conducted the first Technician test session under the new Element 2 Question Pool that went into effect on July 1. The newly revised pool, released in January 2018 (and subsequently updated and re-released in February) by the Question Pool Committee (QPC) of the National […]

via the ARRL: BIRDS-2 Constellation CubeSats Transported to ISS for August Deployment

The second generation of CubeSats in the BIRDS constellation now is on board the International Space Station (ISS) and set for deployment in early August using the Japan Aerospace Exploration Agency (JAXA) module’s remote manipulator arm. The June 29 SpaceX Falcon 9 launch carried the BIRDS-2 CubeSats — MAYA-1, BHUTAN-1, and UiTMSAT-1, built by students from Malaysia, […]

via the ARRL: Friedrichshafen Emergency Communications Gathering Hears Reports

IARU Region 1 Emergency Coordinator Greg Mossup, G0DUB, has posted a report on the Emergency Communications Meeting held at June’s Ham Radio event in Friedrichshafen, Germany. Mossup said some 20 emergency communicators attended the June 1 meeting, sponsored by the IARU. “After the introduction and Region 1 report, there were interesting presentations followed by a good exchange of […]

via the ARRL: CASSIOPE Spacecraft Listens In on 2018 ARRL Field Day

The Canadian CASSIOPE (CAScade, Smallsat, and Ionospheric Polar Explorer) spacecraft once again eavesdropped on ARRL Field Day activity. CASSIOPE’s Radio Receiver Instrument (RRI) was tuned to 7.005 MHz during six passes over the North American continent during Field Day 2018, although there was no advance publicity this year. The RRI is a component of the spacecraft’s Enhanced […]

via HACKADAY: Ham-designed Gear Used in Thailand Cave Rescue

Unless you live in a cave, you’ve probably heard a little about the thirteen people — mostly children — trapped in the Tham Luang Nang Non cave in Thailand. What you may have missed, though, is the hacker/ham radio connection. The British Cave Rescue Council (BCRC) was asked for their expert help. [Rick Stanton], [John Volanthen] and […]

via the ARRL: Radio Amateur to Pay $7,000, Face Restricted Privileges to Settle FCC Interference Case

The US Department of Justice and the FCC have reached a settlement with Brian Crow, K3VR, of North Huntingdon, Pennsylvania, to resolve allegations that Crow intentionally interfered with the communications of other Amateur Radio operators and failed to properly identify. The core component of the settlement calls on Crow to pay $7,000 to the US Treasury, the […]

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