Build your own Roll Up Slim Jim Antenna for the 2 Meter Ham Radio Band.
Antenna
Attaching Coax to a Dipole
Gordon, KO4OCO, in reference to Dave’s 40 meter dipole video, he asks how the actual connection between the coupler and the antenna wire was mad... Read more
Go2Antenna Review :: HOA Antenna
The Go2Antenna is the perfect HOA antenna. Fully capable and easy to camouflage. My Go2 Antenna is perfect for HOA’s or portable / Emergency Communica... Read more
2-Element parasitic Yagis by DK7ZB – 10 15 20 30 meters
2-Element parasitic Yagis by DK7ZB for the Shortwave-Bands 10m-30m No other antenna has a better relation between gain and expense than the 2-E... Read more
Review of Bilal Isotron 20m Single Band Antenna
More than one Oggie has suggested I review the Bilal Isotron 20m Single Band Antenna Solve Virtually Any Restricted Space Problem – 40 Meter Iso... Read more
Omni-Directional – Circularly (Mixed) Polarized Antenna for 144 MHz / VHF / 2 Meters.
Introduction and Background This is an experimental project that may lead to further development in the future, but even as presented below, it does w... Read more
Review
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
HF Interference Problem from Ethernet over Powerlines Devices
“Testing to see how bad powerline internet connections can be for HF reception. These devices allow you to use your house power cables as a conv... Read more
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids Read more
The Siru Innovatios SDR20 adds new features
New features * Smooth zoom in FFT/waterfall view * Adaptive menu * Frequency memory with snapshot pictures of signals * Sliding effect between views *... Read more
Ham College 43 – General Amateur Radio Exam part 14. Emergency Communications, Skywave propagation, and Yagi antennas.
Ham College episode 43 is now available General Amateur Radio Exam part 14. Emergency Communications, Skywaves, Yagi Antennas Read more
Equipment
RSA306 USB Spectrum Analyzer
A full-featured spectrum analyzer for less than half the price of a conventional unit. It’s compact, weighs just 1.3 pounds, takes little space on you... Read more
Mercury III LDMOS Power Amplifier Kit
Mercury III https://www.km3km.com/ Read more
Elad FDM-DUO: now available in camouflage!
FDM-DUO is a SDR tranceiver that offers the possibility to operate STand-alone like traditional radio or attached to a Personal Computer discovering t... Read more
![MFJ Antenna Switches [ Video ]](https://qrznow.com/wp-content/uploads/2016/11/mfj-265x168.jpg)
MFJ Antenna Switches [ Video ]
MFJ Antenna Swiches MFJ-1702C MFJ-2702 MFJ-2703 MFJ-2704 MFJ-1701 MFJ-1703 MFJ-1700C Read more
Barrett 4050 HF SDR Transceiver
The Barrett 4050 HF SDR transceiver is the new centrepiece of the Barrett range of HF communications equipment. It combines Software-Defined Radio tec... Read more
News
Use your Privileges Properly – Ham Radio
Due to some inquiry by Eric, KB0YDN, I decided to make this video discussing the incident of the Ham Firefighting Interference in Idaho Last year. Thi... Read more
ISM Packet Decoder Plugin For SDR Sharp – RTL 433
Here we take a look at the RTL433 Plugin for SDR Sharp, making it easy to decode ISM RF Packets. https://github.com/marco402/plugin-Rtl433-for-SdrShar... Read more
Increase in unidentified intruders
IARUMS newsletter IARU Monitoring System (IARUMS) Region 1 newsletter reports an increase in unidentified intruders in the amateur radio bands followi... Read more
I’m an Intern at ARRL Headquarters!
“I’m Jherica Goodgame, KI5HTA, and I’m a 2022 summer intern at ARRL HQ. Join me while I show you around some of my favorite parts of... Read more
Antenna on Sloping Ground – What happens?
“Various terrain and Antennas: You can make the slope work to your advantage. I know your next question already. Hang on. I’ll make a vide... Read more
