Top Amateur Radio Websites - Issue 2417
H40WA Log Online, Reliable Emergency Power: Solar Solutions, Down East Microwave Inc, Tuning OCF L-Dipoles, bcTool , TX5XG Austral Islands, H40WA Temotu DX Pedition,
ARRL Audio News April 26, 2024
ARRL Audio News April 26, 2024
Amateur Radio Provides Communications Support for Boston Marathon
On Monday, April 15, 2024, ham radio operators provided communications for the 128th running of the Boston Marathon. More than 280 radio amateurs participated in the event. The marathon is one of the largest events for which hams provide communications support. It drew volunteers from many different places. "Operators are volunteering across Start, Course, Finish, Transportation, and various op...
2024 ARRL National Convention at Dayton Hamvention -- Program and App Available
The 2024 ARRL National Convention, hosted by Dayton Hamvention®, is just a month away, and the convention program guide is now available at www.arrl.org/expo. The ARRL Events app is also ready to use, encouraging everyone planning to attend to preview all of the Hamvention exhibits, forums, and related activities. Download the free ARRL Events app, or access the content from an internet browser....
Youth on the Air (YOTA) will be accepting in-person donations of eclipse glasses
Recycled glasses will be sent home with Argentinian campers attending the 2024 YOTA Summer Camp in the Americas, so that amateur radio operators and youth can safely watch the Annular Solar Eclipse in October. Donations are only being accepted in person at the Dayton Hamvention YOTA Booth #4304 from May 17 - 19 and at the YOTA Summer Camp in the Americas in Halifax, Novia Scotia, Canada, from J...
T-Minus 3 Three Weeks: 2024 ARRL National Convention at Hamvention®
The 2024 ARRL National Convention is just 3 weeks away, on May 17 -- 19, 2024. The event is being hosted by Dayton Hamvention in Xenia, Ohio. ARRL has a significant amount of technical content planned for the convention program. (see the full rundown at www.arrl.org/expo). There are also presentations planned to challenge and inspire attendees throughout each step of a radio amateur's journey in...
MFJ Ceasing On-Site Production
Updated 4:26:24 8:00 pm EDT with additional statement from Martin F. Jue, K5FLU. MFJ Enterprises, Inc founder Martin F. Jue, K5FLU, announced that as of May 17, 2024, the company will cease on-site production at their Starkville, Mississippi, facility. Ameritron, Hy-Gain, Cushcraft, Mirage, and Vectronics brand products will be affected by the shutdown. In a letter posted to social media, Jue ...
PSKmail: Email and Internet on HF
PSKmail, a narrow band ARQ system, allows ham radio operators to send emails and ... - Listed in Software/Internet Linking
MFJ Announces the End of an Era: Ceasing Production After Decades of Service to the Ham Radio ...
A Feature-Rich RF Power Meter with AM Detection
This project goal is to construct a versatile and informative RF power meter. The ... - Listed in Technical Reference/Power Meter
Building a 20W All-Band HF SDR with Softrock 6.3
This project describes a DIY all band HF SDR transceiver. Built around a Softrock ... - Listed in Technical Reference/Software Defined Radio
K7AAY- Kilo seven
Focused on technology to serve emergency response in clackamas county, oregon.
A52CI A52P Online Log
Log Online for Buthan DX Pedition - Listed in DX Resources/Logs
Homebrew EFHW Antenna for Low Power HF (40/20/15/10m)
This describes a homebrew End-Fed Half-Wave (EFHW) antenna for low power SOTA, Parks and ... - Listed in Antennas/End-Fed/End Fed Half Wave Antenna
Amateur Radio Clubs
Is your ham radio club on our list? We feature thousands of links to amateur radio clubs worldwide. Add your club's link today!
LIVE MUF V7 SOFTWARE
Live MUF is a DXC (cluster) telnet client which attempts to resolve propagation modes ... - Listed in Software/Propagation
Double Tuned Receiver Band-pass Filter Design Center
Technical Reference/Filters
This webpage caters to EMRFD owners, offering insights into building popcorn receiver band-pass filters with Ladpac programs and EMRFD Chapter 3 knowledge. Through practical experiments and Ladpac tools, the author explores coupling capacitors' impact on filter response and return loss optimization. The content emphasizes empirical approaches, encouraging builders to embrace experimentation and learn from mistakes. Detailed examples and workflow suggestions aid hobbyist-level designers in creating customized filters, fostering a deeper understanding of filter design principles.
Top Amateur Radio Websites - Issue 2416
Magnetic Loop Antenna Builds and Autotuning Advancements, Hostilog, Evolution of Car Radios: From Marconi to Motorola, Mastering Magnetic Loop Antenna Control, DXTRON DX Cluster, W2LCW Long Island CW Club, IQ Output for the Elecraft KX2,
3G0YA Easter Island
DX Resources/DX Peditions/2024 DXpeditions
A team of DL Hams wil be active from Hanga Roa, Easter Island as 3G0YA during April 18 to May 6, 2024.
ARRL Audio News April 19, 2024
ARRL Audio News April 19, 2024
3G0YA Log Online
DX Resources/Logs
3G0YA DX Pedition to Easter Island Online log
RSP Spectrum Analyser
Software/Spectrum analyzers
The analyser has been written to support the full range of SDRplay SDR radios including the new RSP1B. The analyser is capable of resolution bandwidths of less than 1Hz with sensitivity better than -145dBm. In addition to being able to run five separate traces, the analyser offers the ability to capture screen shots, export data in a range of formats and includes a versatile marker system. The analyser includes a comprehensive user manual and offers a very useful addition to any workbench.
Automatic Roger Beep for VHF/UHF Contests
Technical Reference/Homebrew
This project details an automatic roger beep circuit for VHF/UHF contests. Built around a Microchip PIC microcontroller, the design detects PTT (Push-To-Talk) activation and generates a brief tone upon release, mimicking a "roger beep" to signal the end of transmission. The circuit utilizes readily available components and includes downloadable resources for PCB layout and firmware.
CCXD Award
Operating Aids/Awards
The CCXD Award (The Century Club of eXtreme difficulty is one of the most difficult awards to achieve. You are required to operate your home country from 100 DXCC countries. Founded in 2013, awards certificate is still awaiting presentation.
Mini Whip - Active HF Antenna
Antennas/Active
The author investigated electric field antennas and achieved promising results with a shortened active whip antenna (30 cm). The findings suggest that at LF, active whips function primarily through electric field capacitance coupling.
Vertical Dipole Array for 20-17-15 Meters
Antennas/Portable
This article explores the evolution of antenna choices for DXpeditions, focusing on the shift from mono-band VDAs to a multi-band solution. It details the design and construction of a lightweight, versatile 20-17-15m VDA, utilizing readily available materials like fishing rods and IKEA breadboards. The author discusses challenges, adjustments, and offers guidance for replication.
TX7W Raivavae, Austral Islands
DX Resources/DX Peditions/2024 DXpeditions
DX Pedition Austral Islands by Jeff Martin – K5WE, Craig Boyer – W5CCP April 2024
Top Amateur Radio Websites - Issue 2415
Telescopic Fiberglass Antenna Pole Support Method, Full size 80m End Fed Half Wave Antenna, 4m Tall Vertical Dipole for 20m , ShortwaveDB Map, MorsePractice, LogConv, FISTS Log Converter,
Active Hurricane Season Predicted for 2024
Colorado State University (CSU) hurricane researchers predict an active Atlantic hurricane season (June 1 to November 30) in their initial 2024 forecast. ARRL Director of Emergency Management Josh Johnston, KE5MHV, attended the National Hurricane Conference in Florida in late March, where the CSU prediction was issued. "The common discussion at the National Hurricane Conference this year was the...
JA1BBPs Weblog
VDA Antenna for 30m
Antennas/30M
This project documents the construction and enhancement of a 30m Vertical Dipole Array (VDA) antenna inspired by Remco 7QNL article. Initial design utilized an 18m Spiderbeam pole and a 4m boom. Improvements included a lighter boom structure using fishing rods and a revised coaxial arrangement for enhanced mechanical stability.
ARRL Audio News April 12, 2024
ARRL Audio News April 12, 2024
Ham Radio Active During Eclipse
Millions of people across the United States got to see a rare solar eclipse on Monday, April 8, 2024. The path of totality -- the line of darkness where the moon fully occluded the sun -- stretched through the South Pacific, Mexico, central Texas, the Ozarks, the Midwest, the Rust Belt area, and to New England through the Maritimes. In all, 14 ARRL Sections were impacted directly and several mor...
Amateur Radio Saves Family in Death Valley National Park
Death Valley National Park is in a remote desert in southern California, where mobile phone networks are spotty at best. On Saturday, April 6, a radio amateur and his family were enjoying the park when their vehicle became stuck in mud in a dangerous area. Without access to a cell network, the ham called for help on the 10-meter band. According to a news release from the Black Swamp Amateur Radi...
Maquina do Tempo
Amateur radio site from Brasil
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