Virtual Radar from a Digital TV Dongle
Operating Modes/Aircraft scatter
Track aircraft by reprogramming an inexpensive digital TV USB stick to receive Automatic Dependent Surveillance-Broadcast signals.
A Magic Ground Mobile Antenna
Operating Modes/Mobile
Experimenting and testing vertical antenna for HF bands on mobile operations.
Call for Nominations for ARRL Director and Vice Director
Attention to full ARRL members in the Atlantic, Dakota, Delta, Great Lakes, and Midwest Divisions. You have the opportunity to choose a Director and a Vice Director to represent you for a 3-year term beginning January 1, 2024. ARRL The National Association for Amateur Radio® is governed by its Board of Directors. A voting Director is chosen by ballot by the full (licensed) ARRL members in each ...
Frequency Accuracy and Stability of WWV and WWVH
Operating Aids/Time
Measuring the Frequency Accuracy and Stability of WWV and WWVH by Michael A. Lombardi. An examination of just how accurate these frequency standard stations are.
A Universal Programming Cable for Radios
Technical Reference/Programming Radio
The programming cable is intended to be used with a computer RS-232 port for programming radios and other devices. The main goal of this cable schematics is inverting signal levels.
ARRL Section Managers Prepare for New Terms
When the nomination period for the summer ARRL Section Manager election cycle concluded on June 9, 2023, there was only one candidate for each of the Sections up for election.
The following incumbent Section Managers were declared re-elected to new 2-year terms starting on October 1, 2023:
Amanda Alden, K1DDN, Colorado.
Jo Whitney, KA7LJQ, Eastern Washington.
Diana Feinberg, AI6DF, Los Angeles.
Caro...
Bent-end dipole antennas
Antennas/Dipole
Discussion about laterally bent-end dipoles. Bent by percentage of length and fine-tuned by angling the bent ends.
Angle of OCF L-Dipole Antennas
Antennas/OCF
This page is a discussion about impedance matching by Off Center Fed dipoles in the Wide L-form. When a vertical or horizontal dipole is bent into a 90 degree L-form, the impedance drops about half.
Two special event stations will be in operation beginning July 1, 2023
The Annual 13 Colonies Special Event will take place on July 1 - 7, 2023. The event honors the original 13 colonies, US independence, active military personnel, and veterans. All amateur radio operators are welcome to participate, including shortwave listeners. Certificates will be available for all participants. Each US state that was one of the original 13 colonies has a special call sign. Al...
DXR Electronics Bits
Ham Radio/Blogs/Asia/India
Electronics and Technical resources from indian amateur radio ham D.Prabakaran with callsign vu3dxr
ARRL Audio News June 30, 2023
ARRL Audio News June 30, 2023
2023 ARRL Field Day Was a Success
2023 ARRL Field Day is in the books and from all indications, it was a success!
Social media is buzzing with stories and photos from around the country.
Results are coming in, and so far, 2,548 Field Day entries have been received. You can see a live, up-to-the-minute count of the entries, comments, and photos on the Field Day Entries Received web page.
Participants have been submitting photos and...
HAM RADIO in Germany Draws International Crowd
The 46th annual International Amateur Radio Exhibition, HAM RADIO, attracted more than 11,000 visitors to Friedrichshafen, Germany, June 23 - 25, 2023.
ARRL The National Association for Amateur Radio®, which has nearly 7,000 international members, sends a small delegation to the convention each year -- greeting members and friends from the global amateur radio community, and networking with oth...
ICOM IC-R75 Review by N9EWO
Radio Equipment/Receivers/Icom IC-R75
Icom IC-R75 tabletop HF communications receiver came onto the market back in 1999 and was taken out of production in late 2015. Frequency coverage is from 30 hz right to 60 MHz. This allows one to catch the 6 Meter amateur band as well.
ARRL Headquarters is Closed on Tuesday, July 4, for Independence Day
ARRL The National Association for Amateur Radio® will be closed on Tuesday, July 4, for the Independence Day holiday. There will be no W1AW bulletin or code practice transmissions. ARRL Headquarters will reopen on Wednesday, July 5, at 8 a.m. EDT.
QO-100 with LimeSDR
Operating Modes/Satellites/QO-100
QO-100 Communications with the LimeSDR Family. LimeSDR can transmit in the expected uplink frequency for QO-100 – which is 2.4GHz – and has a nice reference onboard that makes it relatively stable in frequency aspects
Rainbow Amateur Radio Association
RARA was founded in 1995 by a group of active amateur radio operators from several regions of the United States. Today, the club is international in scope with over 135 members around the world.
Dual-Band X-Frame Shortwave RX Loop Antenna
Antennas/Shortwave
A dual band X-frame wire antenna made using 4 turns for response down to 3 MHz or so, and 2 turns (switched) for response up to around 18 MHz. The loop configurations are tuned using common eBay 365 pF tuning caps.
Update: FCC ULS System Restored
The FCC Universal Licensing System (ULS) has resumed operations, including the Electronic Batch Filing system (EBF). As of June 27, 2023, all systems have been reported to be working. However, visitors to the website will see a message referring them to Public Notice DA 23-529 for additional information and guidance on filing deadline extensions. The systems were first reported unavailable on Jun...
Doublet antenna as vertical T
Antennas/Wire
A transmitting antenna 2x15m, about 100 foot doublet antenna fed by a ladder line of about 600 Ohm. Article in Polish and English,
W4UA High Point Amateur Radio Club
Web site for the High Point Amateur Radio Club, serving High Point, NC and surrounding area communities.
The VK5 National & Conservation Parks Award
DX Resources/Ham Radio Awards
The Award promotes portable activity from South Australia's National & Conservation Parks. This award follows in the tradition of other successful parks awards in Australia
Websdr Polska
Internet and Radio/WebSDR
RSP1A receiver with LoG (Loop On Ground) antenna in quiet QTH - southeastern Poland. Very low QRM!
50 MHz J-Pole Antenna IK1ZOY
Antennas/6M/6 meter J-Pole Antenna
A j-pole antenna plan with drawings and dimensions that can help you on building your own j-pole antenna for the six meters band
Top Amateur Radio Websites - Issue 2324
UHF VHF Crossed Satellite Yagi Antenna, Automatic antenna switch with Arduino Nano, Homebrew HexBeam Antenna, Basic K3NG Winkeyer, W4ULH Florence Amateur Radio Club, 4W1A Online Log
YAESU beam controller to suit RigExpert WTI-1
Technical Reference/Antenna Rotator
Beam Controller Interface Project. The control system will be via the internet and consist of a Rig-Expert WTI-1 interface which provides access to CAT commands, PTT, and Rx and Tx audio.
ARRL Audio News June 23, 2023
ARRL Audio News June 23, 2023
G8BCG SIX METRES Pages
Operating Modes/50 Mhz
Amateur radio website dedicated to six meters band with dedicated pages on 50MHz propagation and DXing
FCC ULS Reopened, Except Electronic Batch Filing System
On Wednesday morning, June 21, 2023, the FCC had reopened the Universal Licensing System (ULS) and supporting systems, according to an email distributed to VEC organizations. However, as of 4:00 PM on Wednesday, the Electronic Batch Filing (EBF) system, used by VEC organizations for filing exam sessions, individual applications, and club license applications, was still not available as promised...
Meirion Amateur Radio Society (Dolgellau)
This is the website of the Meirion Amateur Radio Society, based in gwynedd north wales
Greater Bridgeport Amateur Radio Club
Greater Bridgeport Amateur Radio Club helps to provide vital Emergency Communications through amateur radio to Southern Fairfield County and the Derby area.
How To Achieve Perfect PCB Soldering
Technical Reference/Soldering and Desoldering
Surprisingly, although PCB soldering is the core process of electronics assembly, few people do know how to solder reliably
50MHz Sound Archive
Internet and Radio/Sounds
This page contains some sound clips of DX on 6m.
Cal Poly Amateur Radio Club achieves 2,000th License Milestone
Student-run Cal Poly Amateur Radio Club (CPARC) at California Polytechnic State University in San Luis Obispo County just hit a licensing milestone. On May 23, 2023, Kyle Wiens became the 2,000th person to pass the amateur radio exam given by CPARC since they started in 2009.
Wiens, now KO6ABA, is a Cal Poly alumnus and CEO of iFixit, a company that produces electronics repair guides for consume...
Amateur Radio Helps Air Show Fly High
More than 40 members of the Nashville Amateur Radio Club, Williamson County ARES®, and Stones River Amateur Radio Club partnered to provide operations support leading up to and throughout the 2023 Great Tennessee Air Show.
On June 10 - 11, 2023, the show was headlined by the US Navy Blue Angels demonstration team. Tom Delker, K1KY, Air Show Communications Coordinator, said that amateur radio ope...
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