Why is Coax 50 Ohms?
Antenna
2/2 (4) element 18/24MHz Yagi (1.5m) Force12
The 4-LFAR-17/12, an Excellent super-compact Dual band LFA-R Yagi for the 17m & 12mbands The LFA-R is one of the latest designs from the desk of G... Read more
Cushcraft MA6VA – Six-Band Restricted-Space Vertical Antenna
The Cushcraft MA6VA provides amazing coverage, great versatility and incredible performance with an addition of 6 meters. Enjoy the antenna con... Read more
Emergency Antenna Platform System (E-APS) – WC2FD
A system to facilitate emergency radio communications from parking lots using lamp posts as antenna masts. Designed and built by the kids of th... Read more
Unboxing the MyAntennas EFHW-80-10 End Fed Antenna
EFHW-8010-1K ™ Multi-Band End Fed Half Wave Antenna This is an End-Fed Half-Wave (EFHW*) antenna for 80/40/30/20/17/15/12 and 10m bands. Unlike many... Read more
End-Fed Antennas – The Doctor Will See You Now! ARRL
End-Fed HF antennas are becoming increasingly popular, especially for limited space applications, but how well do they really work? In this episode,... Read more
Review
Apartment Grounding Dilemma
Ilya, ER1TAW, inspired this video from his question that Dave has been asked many times. How should one ground when they live in an apartment complex? Read more
Radioditty GD-73 DMR HT – Programming and Using
PALM SIZE DMR: Compatible with MOTOTRBO, the GD-73A features lightweight and mini size that can easily fit your pocket. The clear LCD screen and compa... Read more
Messi & Paoloni Is Better Than LMR Coax
“Yes, it sure is. Comparing the losses between Messi & Paoloni & LMR Coax cables. The numbers don’t lie in this heated battle betw... Read more
RTL-SDR VS SDRPlay
A Comparison between the rtl-sdr and sdrplay across different frequencies and settings. Measuring the signal to noise ratio and graphing results.... Read more
Equipment
ARS-USB AZIMUTH by EA4TX
Antenna Rotator System is the most popular and universal engine management antenna rotator. With this new generation that includes a USB port,... Read more
QDX digital transceiver
I brief description of a construction problem, symptoms and solution regarding the QDX digital transceiver from QRP Labs. The “QCX+” (QRP... Read more
New Elad Duo-X
Elad Duo-X Booth A1-552 at Friedrichshafen…. come see the new Duo-X, this is the prototype, 120w or 220w 4 receivers, 10.2in touchscreen... Read more
The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ High-performance HF/VHF/UHF/SHF SDR
WiNRADiO Overview The WiNRADiO WR-G39DDCi ‘EXCELSIOR’ is a high-performance HF/VHF/UHF/SHF software-defined receiver with a frequency rang... Read more
News
Hurricane Ian: Amateur radio used in rescue
Fox News reports a Maryland firefighter used his ham radio to send rescuers to Florida’s Sanibel Island The broadcaster says: Dale Klonin [KC3TA... Read more
RSGB 2022 Convention livestream
We are delighted to bring you our first hybrid Convention this year. We will be livestreaming some of the presentations each day to give you a taste o... Read more
Amateur Radio Operators Continue Response to Ian
As Hurricane Ian, now a tropical storm, makes its way across Florida, amateur radio operators continue to provide communications support for weather u... Read more
Hurricane Watch Net Update for Ian
The Hurricane Watch Net (HWN) has been in operation since the morning of September 27, 2022, as Hurricane Ian swept across Cuba and headed toward Flor... Read more
FCC Grants an ARRL Emergency Request to Permit Higher Data Rate Transmissions for Hurricane Relief Communications
The Federal Communications Commission (FCC) has granted an ARRL emergency request for a 60-day temporary waiver intended to facilitate amate... Read more
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