VHF
National Hurricane Center’s WX4NHC Annual Station Test is Successful
On May 30, operators at WX4NHC at the National Hurricane Center (NHC), working from home, conducted the annual readiness check of the station and of o... Read more
![VHF propagation video released [ RSGB ]](https://qrznow.com/wp-content/uploads/2020/06/VHF-screenshot2-265x168.jpg)
VHF propagation video released [ RSGB ]
Steve Nichols, G0KYA – Chair of the RSGB Propagation Studies Committee – narrates this presentation about VHF propagation. The presentatio... Read more
Low cost 10Ghz EME Rx System
1 – Low cost 10Ghz EME Rx – The LNBF 2 – Modifying the LNBF 3 – Tuning the LNBF 4 – Pictures and PlotsNOTE: This... Read more
Amazing opening on 144 MHz from Cape Verde Islands to Poland
On Friday the 29th of May 2020, there was an extensive Sporadic-E opening across Europe which reached as high as 144 MHz allowing stations across the... Read more
RADIODDITY GS-5B ANALOG RADIO | 5W | DUAL PTT | BLUETOOTH PROGRAMMING | S-METER | USB CHARGING
Professional VHF UHF Radio: Dual band, dual watch, dual standby, up to 128 channels. Equipped with an 8.9-inch long antenna, this solid 5W radio can r... 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 [ New Videos ]](https://qrznow.com/wp-content/uploads/2020/07/ic705-movie-15-265x168.png)
BaofengTech BTECH 50X3 Triband Mobile Radio Review and Power Testing
BTECH UV-50X3 X-Series Mobile – 50 Watt Tri Band Radio 13.8V (15 Amp) Operating Voltage Source Required – Dual Receiver Radio (Dual RF), C... Read more
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
SP3L Wins the July QST Cover Plaque Award
The winning article for the July 2020 QST Cover Plaque award is “A Vertical End-Fed Dipole with a Folded Stub” by Jacek Pawlowski, SP3L. The QST Cover... Read more
Propagation
THe K7RA Solar Update
No sunspots were observed since June 15, when the daily sunspot number was 11. This does not mean there were 11 sunspots seen, but instead it means th... Read more
The K7RA Solar Update
Sunspots made a solid reappearance over this reporting week (June 4-10) with average daily sunspot number rising from 3.3 to 14. As expected, solar fl... Read more
ANOTHER SOLAR CYCLE 25 SUNSPOT
A new sunspot is emerging over the sun’s southeastern limb. Provisionally numbered AR2765, it is inset in this magnetic map of the sun’s surface... Read more
The K7RA Solar Update
No significant solar activity over the past week, and still no sunspots observed since the end of April. According to Spaceweather.com, the percentage... 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)
