Portable RTL – SDR Software Defined Radio with Android
Antenna
Building Coaxial Cable Traps by W8WWV
“ “Introduction This page describes the design and construction materials I used to build a coaxial cable trap. A coaxial cable tr... Read more
Where Can I Put My HF Antenna?
Where Can I Put My HF Antenna? Read more
Antenna Rotator System ARS-USB Azimuth
Antenna Rotator System is the most popular and universal engine management antenna rotator. With this new generation that includes a USB port,... Read more
Optibeam OB8-4M 8 Element 4 Band
The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. It is the first trapless Yagi for t... Read more
Building the Moxon Antenna
Building the Moxon Antenna is fairly easy and lends itself to imagination. No two Moxon’s are identical save the dimensions of the elements... Read more
Review
Xiegu X5105 QRP Portable HF Radio – Review and Demo HF/6m
Operating mode: A1A(CW)，A3E(AM)，J3E(USB/LSB)，F3E(FM) minimum frequency stepping: 1Hz Antenna impedance: 50Ω Operating temperature range: -10℃ ~ +60℃ F... Read more
W6LG Talks To David G4AKC Who Is Pedestrian Mobile In The UK
“Jim W6LG talks to G4AKC, David Starkie in England. David is Pedestrian Mobile running about 100 watts to a quarter wavelength long vertical mob... Read more
W6LG Makes A Dummy Load From Christmas Lights, Dummy Load That Lights Up The Room
Jim shows the two ways that he makes Christmas Lights into an Antenna and a Dummy Antenna. RF from his linear amplifier lights up the bulbs. Read more
Best HF Ham Radio Under $1000 – 6 Best HF Transceivers 2020
What is the Best HF Radio for under $1000 for the new Ham Radio Operator in 2020? This list of 6 transceivers that I would recommend to new Ham Radio... Read more
Equipment
Wideband RF Switch (5 – 3000 MHz)
Photo: Aditya Mukherjee In an application it was required to use 6 different antennas at 6 nearby locations one at a time as the Bluetooth/WiFi antenn... Read more
The Yaesu FT-891 | Specifications
Yaesu FT-891 HF/50MHz 100W All Mode Transceiver – FT-891 · Rugged construction in an ultra-compact body 6.1” x 2.0” x 8.6” (152 x 52 x... Read more
QUADRUS SDR | PHASE-COHERENT MULTI-CHANNEL SDR
The QUADRUS SDR platform is complete ready to use integrated platform for advanced SDR software received implementation. It contains all the el... Read more
FLEX-1500 – Software Defined Radio
The Entry Level QRP Software Defined Radio and Ideal IF Deck for VHF-Microwave Operation The FLEX-1500™ is a low-cost, low-wattage SDR that is... Read more
Mountain Topper Tri-Bander
Mountain Topper Tri-Bander Developed by Steve Weber KD1JV Designs FULLY ASSEMBLED – Manufactured by LNR Precision, Inc. A very small, very effi... Read more
News
Ham Radio in Games
The Last of Us 2 – Abby Make Contact with the Fireflies Read more
International Space Station to be in Cross-Band Repeater Mode for Field Day
The Amateur Radio on the International Space Station (ARISS) cross-band repeater will be available for ARRL Field Day, June 26 – 27. Contacts wil... Read more
New IARU-R1 HF band plan released
The HF band plan in its version of 16 October 2020 (Virtual General Conference “Novisad”) including the annex has been revised. The band plan comprise... Read more
ISS SSTV 145.800 FM June 9-10
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
Frank Donovan, W3LPL, Wins the May 2021 QST Cover Plaque Award
The winning article for the May 2021 QST Cover Plaque award is “What to Expect During the Rising Years of Solar Cycle 25,” by Frank Don... Read more
![DV4mobile at the Dayton Hamvention 2016 [ Video ]](https://qrznow.com/wp-content/uploads/2016/05/13254445_1620205181638837_2640248867239667969_n-1-265x168.jpg)
