“A Necessarily Incomplete Survey of Amateur Radio HF Unity Gain Antennas–a look at the many, many antennas used in ham radio that have about the same gain as a good dipole. I select the antenna to be used in the Reference Station.”
News
Luna Amateur Radio Transponder: A Communications Platform on the Large European Lander to support communication and payload experiments
“We are proposing the LunART Communications Platform on the Large European Lander which will support direct communication with earth through ama... Read more
IARUMS June newsletter now available
The latest IARU-R1 Monitoring System newsletter reports on the continuing interference on various frequencies in the 7 MHz band from Russian language... Read more
DIY Weather Satellite Ground Station
Sasha M6IOR and Sophie M6NYX have made available a Guide for the reception of NOAA satellite images using software defined radio on Windows or MacOS.... Read more
IARUMS: Russian-Ukrainian radio war is remaining on a high escalation level
The new newsletter of the IARU Monitoring System (aka ‘Intruder Watch’) has just been published. The most frequently reported intruders on... Read more
Software
SDRUNO 1.4 RELEASE CANDIDATE 3
Warning: This is pre-release software and you install it in the knowledge that it will have bugs and issues. We are looking for feedback on this versi... Read more
SmartSDR v2.4.10 is Now Available
FlexRadio Systems announces the immediate availability of SmartSDR v2.4.10 SmartSDR v2.4.10 is a special “interim” release. This release... Read more
WSJT-X 2.2.2 released
The WSJT Development Group is pleased to announce the general availability (GA) release of WSJT-X Version 2.2.2. A brief summary of new features is pr... Read more
THe K7RA Solar Update
We just experienced a nearly two-week period of sunspots appearing every day. It’s been quite some time since we’ve witnessed a continuous string of s... Read more
There is a new release of Win4IcomSuite
There is a new release of Win4IcomSuite. This release now supports the SDRPlay RSPDX and has an IQ Output with the SDRPlay for feeding into CWSkimmer.... Read more
Contesting
Contest Committee to relax COVID-19 rules
As we’re all aware, the changes to COVID-19 restrictions have been coming thick and fast recently, but they have also remained inconsistent across the... Read more
Intrepid-DX Group Announces Youth Essay Contest
The Intrepid-DX Group, a US-based IRS 501(c)(3) nonprofit organization that promotes amateur radio in developing countries, has announced its first Yo... Read more
Canada Day 2020 Contest Under Way
Each year on July 1, the anniversary of Canada’s Confederation, Radio Amateurs of Canada (RAC) sponsors the Canada Day Contest. The event continues un... Read more
CQ WPX Contest CW : May 30 – 31
Photo by PY3VK – QTH ZX5J – PT5J – PP5JR 2020 CQ World-Wide WPX Contest SSB: March 28-29, 2020 CW: May 30-31, 2020 Starts: 0000 UTC... Read more
Review
Xiegu XPA125B Ham Radio Amplifier
The XPA125B amplifier has a gain of 13 dB making it the perfect amplifier for a 5 watt transmitter when 100 watt output is needed. The automatic Anten... Read more
![Icom IC-705 Hands On Review, HF/VHF/UHF [ English ]](https://qrznow.com/wp-content/uploads/2020/07/icom-ic-705-stand-265x168.jpg)
NEW! Yaesu FTM-300D, C4FM Dual Band Ham Radio, Review/Demo
Yaesu FTM-300D, C4FM Dual Band Ham Radio, Review/Demo Read more
Xiegu G90 Unboxing
G90 is a portable 20W HF amateur radio transceiver with an SDR architecture with built-in auto antenna tuner. The display unit and the radio can be se... Read more
![Icom IC-705 Hands On Review, HF/VHF/UHF [ English ]](https://qrznow.com/wp-content/uploads/2020/07/icom-ic-705-stand-90x60.jpg)
![Icom IC-705 Hands On Review, HF/VHF/UHF [ English ]](https://qrznow.com/wp-content/uploads/2020/07/icom-ic-705-stand-180x120.jpg)
