News Feeds
Hurricane Earl Heading for North Carolina, Hurricane Warnings Issued for New England
Hurricane Earl -- once again a Category 4 storm -- is currently aiming for North Carolina’s Outer Banks. At 11 AM (EDT), Earl is located about 300 miles south of Cape Hatteras and 765 mles south of Nantucket Island, just off the coast of Massachusetts. Earl is now moving north at a speed near 18 MPH, and is expected to turn north-northeast with an increase in forward speed on Friday. The center...
New D-STAR Repeater Now in Place in ARRL Laboratory
The ARRL Lab has installed a D-STAR (Digital Smart Technologies for Amateur Radio) repeater in the Lab at the ARRL Headquarters building. Operating with an output of 147.390 MHz, positive offset, the W1HQ D-STAR repeater is a local repeater with a modest footprint covering the Hartford-New Britain, Connecticut area. The antenna is on the roof of the Headquarters building with the repeater locat...
Helical Antennas
Antennas/Helical
The Helical antenna description, a simple way of obtaining high-gain and a broad band of frequency characteristics
The Helical antenna description, a simple way of obtaining high-gain and a broad band of frequency characteristics
DF9CY Softrock tests
Technical Reference/Software Defined Radio
Softrock Version 6.1 Software Defined Radio experience and modifications by DF9CY
Softrock Version 6.1 Software Defined Radio experience and modifications by DF9CY
Earl Possibly to Upgrade to Category 4 Storm, US Atlantic Coast on Alert
On August 30, Hurricane Earl intensified into a Category 4 hurricane -- sustained winds 131-155 MPH -- before leveling out back into a Category 3 storm. But even as a Category 3 hurricane, Earl is still a major storm with hurricane-force winds extending outward up to 90 miles from the center, and tropical storm force winds extending outward up to 200 miles. According to the National Hurricane C...
ARRL to Close in Observance of Labor Day
ARRL Headquarters will be closed in observance of Labor Day on Monday, September 6. There will be no W1AW bulletin or code practice transmissions that day. ARRL Headquarters will reopen Tuesday, September 7 at 8 AM Eastern Daylight Time. We wish everyone a safe and festive holiday weekend.
ARRL in Action: What Have We Been Up to Lately?
Compiled by S. Khrystyne Keane, K1SFA
ARRL News Editor
news@arrl.org
This feature -- including convenient Web links to useful information -- is a concise monthly update of some of the things ARRL is doing on behalf of its members. This installment covers the month of August.
ARRL Sections along the Atlantic Coast are watching and monitoring the progress of Hurricane Earl, with many assisting WX4NHC...
James Garland, W8ZR, Wins August QST Cover Plaque Award
The winner of the QST Cover Plaque Award for August is James Garland, W8ZR, for his article “The StationPro Master Station Controller.” Congratulations, James! The winner of the QST Cover Plaque award -- given to the author or authors of the best article in each issue -- is determined by a vote of ARRL members on the QST Cover Plaque Poll Web page. Cast a ballot for your favorite article in the...
Discover the Fun of 6 Meters (and Up!) in the ARRL September VHF QSO Party
September is here, and according to ARRL Contest Branch Manager Sean Kutzko, KX9X, that means the VHF bands are getting a workout: “If you’ve never experienced the fun of VHF+ operating, the ARRL September VHF QSO Party is a great place to start. With many HF radios now offering at least 6 meter SSB/CW capabilities -- and some offering 2 meters and 70 cm as well -- any amateur with a Technician...
The Duet CW RTX
Technical Reference/QRP Projects/QRP CW Transceiver
Design for a dual-band CW transceiver using the AD9834 Direct Digital Synthesizer
Design for a dual-band CW transceiver using the AD9834 Direct Digital Synthesizer
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