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The K7RA Solar Update

ARRL - Fri, 03/24/2017 - 13:43

The Sun just finished an extended period (16 days) of zero sunspots. There were none on March 4, one visible on March 5, then none on March 6-20. Finally, one sunspot group appeared on March 21-23, with a sunspot number of 12 on all three days.

A sunspot number of 12 does not mean there were 12 sunspots. Every group of sunspots counts as 10 points, and every sunspot within those groups counts f...

ARRL "60-Second Century" Videos Preview QST Editorials

ARRL - Fri, 03/24/2017 - 13:24

ARRL CEO Tom Gallagher, NY2RF, is now supplementing each of his QST "Second Century" editorials with a "60-Second Century" video. These videos offer a glimpse of the content in each month's QST editorial.

ARRL began producing "60-Second Century" with the March QST editorial, and each video is posted on the ARRL YouTube channel, as well as made available through ARRL social media platforms (Face...

The Doctor Will See You Now!

ARRL - Fri, 03/24/2017 - 13:20

Remote Antenna Tuners” is the topic of the latest episode of the “ARRL The Doctor is In” podcast. Listen...and learn!

Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone -- whenever and wherever you like!

Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor himself, J...

AM Rally on April 1-3 Weekend an Opportunity to Try a Vintage Mode

ARRL - Fri, 03/24/2017 - 13:16

If you’re not familiar with full-carrier amplitude modulation (AM) or have never used it on the air, you’ll have a chance during the AM Rally during the April 1-2 weekend, on the bands between 160 and 10 meters (except 30, 17, and 12 meters) plus 6 meters.

Once the primary voice mode on the ham bands, AM eventually gave way to SSB, a form of AM. Yet AM has remained popular among dedicated radio ...

Mayors, Commissioners of Clark County, Nevada, Salute Amateur Radio

ARRL - Fri, 03/24/2017 - 13:12

Nevada mayors Carolyn Goodman of Las Vegas, John Lee of North Las Vegas, and Andy Hafen of Henderson have joined the Clark County Board of Commissioners in proclaiming March 26 to April 2 as “NVCON Week,” recognizing the ARRL Nevada State Convention (NVCON), March 31-April 2.

The community leaders encouraged the citizens of their respective localities to pay tribute to the area’s Amateur Radio o...

NVIS Research Paper Available

ARRL - Thu, 03/23/2017 - 20:40

A thorough and fully annotated discussion of Near Vertical Incidence Skywave (NVIS) is available in the research paper, “Radio Communication via Near Vertical Incidence Skywave Propagation: An Overview,” by Ben A. Witvliet, PE5B/5R8DS, and Rosa Ma Alsina-Pagès.

First investigated in the 1920s, NVIS propagation was rediscovered during World War II as “an essential means to establish communication...

Amateur Radio Links Search for Amelia Earhart’s Plane with ISS Crew, Classroom

ARRL - Thu, 03/23/2017 - 20:31

One of the enduring mysteries of the 20th Century was the disappearance in 1937 of famed aviator Amelia Earhart and her flight companion and navigator Fred Noonan, while she was attempting to circle the globe. It appeared that Earhart’s plane went down in the South Pacific, in the vicinity of Howland Island; her last-known radio transmission came from there. On February 18, a team from Nauticos...

Virginia Engineering Students Tackle Satellite, Ground Station Projects

ARRL - Wed, 03/22/2017 - 19:03

The University of Virginia (UVA) reports that some of its engineering students are among those at other Commonwealth schools working on Amateur Radio satellites and matching ground stations to track them and collect data. UVA said its student-built satellite is set to go into space late next year aboard an International Space Station resupply vehicle for later deployment from the ISS. The UVA p...

ARRL Reiterates its Case for New Band at 5 MHz

ARRL - Tue, 03/21/2017 - 16:29

In comments filed on March 20 with the FCC on its own January Petition for Rule Making (RM-11785), ARRL reiterated its case for a contiguous secondary 15-kHz wide 60-meter band of 5,351.5 to 5,366.5 kHz in addition to the four existing discrete 60-meter channels that fall outside the requested band, with a permitted power level of 100 W EIRP and retention of current operating rules. More than 5...

ARRL Seeking Synergy with Maker Movement

ARRL - Tue, 03/21/2017 - 13:35

ARRL is reaching out to members of the Maker Movement to explore avenues of cooperation and collaboration, and perhaps to recruit some new radio amateurs. Considered an extension of the arts and crafts tradition, the Maker Movement gained its own magazine, Make, in 2005. The philosophy of the Maker Movement is reminiscent of an era when radio amateurs built their own equipment rather than buyin...

Cuba Institutes New Amateur Radio Regulations

ARRL - Tue, 03/21/2017 - 13:33

Radio amateurs in Cuba are scrutinizing and debating the details of new Amateur Radio regulations for the island nation. The Cuban Ministry of Communications adopted the new regulatory scheme on February 28. International Amateur Radio Union Region 2 (IARU-R2) posted the new Amateur Radio Service regulations (in Spanish) as a PDF.

The detailed regulations governing hams in Cuba comprise 17 chapt...

Ulrich Rohde, N1UL, to Receive Distinguished Achievement Award from IEEE Antennas and Propagation Society

ARRL - Fri, 03/17/2017 - 23:40

Ulrich Rohde, N1UL, will receive the Distinguished Achievement Award from the IEEE Antennas and Propagation Society this summer. A formal presentation will be made at the IEEE Antennas and Propagation Society Symposium, July 9-14, in San Diego, California.

The Distinguished Achievement Award cites Rohde’s outstanding career achievement in the field of antennas and propagation: “For pioneering wo...

The Doctor Will See You Now!

ARRL - Fri, 03/17/2017 - 23:26

Remote Antenna Tuners” is the topic of the just-released episode of the “ARRL The Doctor is In” podcast. Listen...and learn!

Sponsored by DX Engineering, “ARRL The Doctor is In” is an informative discussion of all things technical. Listen on your computer, tablet, or smartphone -- whenever and wherever you like!

Every 2 weeks, your host, QST Editor-in-Chief Steve Ford, WB8IMY, and the Doctor him...

Nevada ARES Team Honored

ARRL - Fri, 03/17/2017 - 17:08

Amateur Radio has a Place at the Table for Engineering Day 2017 on Maui

ARRL - Fri, 03/17/2017 - 15:43

Jim Andrews, KH6HTV, and Alan Maenchen, AD6E (aka KH6TU), staffed an Amateur Radio exhibit on February 26 for Engineering Day 2017 at the Queen Kaahumanu Center in Maui.

The main attention-getter was an operating display of Andrews’ 70-centimeter high-definition Amateur Radio digital TV system. Andrews and Maenchen also had a 100 W HF radio on the table as an introduction to discuss Amateur Radi...

The K7RA Solar Update

ARRL - Fri, 03/17/2017 - 15:01

There haven’t been sunspots since March 3, other than March 5, when one sunspot appeared for only one day. Also, solar flux values have recently dipped below 70, for the first time since the other side of this solar cycle.

Solar flux appears at 70 over the past week: ftp://ftp.swpc.noaa.gov/pub/indices/DSD.txt

But this is an approximation. Resolved to 0.10, you can see that it is dipping lower: h...

The Daily DX Marks its 20th Anniversary

ARRL - Fri, 03/17/2017 - 14:33

The Daily DX, an e-mail, subscription-only newsletter edited by Bernie McClenny, W3UR, is celebrating its 20th anniversary on St. Patrick’s Day. The e-mail newsletter covers DX, Islands on the Air (IOTA), and contesting news from around the globe.

“It was 20 years ago today that 100 beta testers received the first issue of The Daily DX,” McClenny said in the March 17 edition. Of his 65 charter s...

ARRL Executive Committee to Meet this Month in Denver

ARRL - Fri, 03/17/2017 - 14:12

The ARRL Executive Committee (EC) will meet on March 25 in Denver, Colorado, to tackle a wide-ranging agenda. ARRL President Rick Roderick, K5UR, will chair the session.

The EC will hear a report on FCC and regulatory items. This includes a review of enforcement issues and concerns, as well as a status update on FCC-related items and filings and on open items that have not received any FCC actio...

Girl Scouts and Guides "Thinking Day on the Air" Generates Enthusiasm for Ham Radio

ARRL - Fri, 03/17/2017 - 14:03

Skip Youngberg, K1NKR; Bill Machia, WM3N, and Dudley Allen, KD0NMD, were among those sponsoring World Association of Girl Scouts and Girl Guides’ “Thinking Day on the Air” (TDOTA) events in February that enjoyed enthusiastic participation. “Thinking Day,” officially February 22, commemorates the birthday of Lord Robert Baden-Powell, the founder of the Scout and Guide movements, as well as that ...

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