Today, Earth-orbiting satellites detected the biggest solar flare in more than 3 years.
The M4.4-category eruption produced a shortwave radio blackout over some parts of Earth and a bright coronal mass ejection (CME). Remarkably, the flare was even bigger than it seemed. The blast site is located just behind the sun’s southeastern limb, so the explosion was partially eclipsed by the body of the sun.
SEE MORE : https://spaceweather.com/
Antenna
RigExpert AA-1400 – Antenna Analyzer (0.1 to 1400 MHz)
RigExpert AA-1400 – Antenna Analyzer (0.1 to 1400 MHz) RigExpert AA-1400 is a powerful antenna analyzer designed for testing, checking, t... Read more
The Double Bazooka Antenna – A Review
Here is a review of the 40 and 80 meter band Double Bazooka antennas as used on the HF shortwave bands. This will be of interest to amateur (ham) radi... Read more
Wideband Antennas for SDR Radios
Flip, W4FLP, asked about options for wideband antennas for the popular RSP-DX software defined radio from SDRPlay. We cover three that should work fin... Read more
Building Buddipole Yagis – A Practical Demonstration
Building Buddipole Yagis – A practical demonstration by ZL4PLM using standard Buddipole parts. Read more
Review
![Icom IC-705 Hands On Review, HF/VHF/UHF [ English ]](https://qrznow.com/wp-content/uploads/2020/07/icom-ic-705-stand-265x168.jpg)
Radio Set up on a Pickup Truck
James Hollen, D25Y31, has a radio and antenna set up in the bed of his pickup truck and wants to know if his truck will cause interference. Read more
ELAD FDM-DUO SDR QRP Quick Tour and Review
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
External Speakers is the topic of the new (November 8) episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
External Speakers Would you benefit by adding an external speaker to your radio? The answers may surprise you. Read more
Equipment
ICOM IC-705 Antenna Mounting Bracket & Patch lead
NEVADA RC-105 A beautifully made bracket, complete with, BNC to SMA patch lead and mounting mounting screw, for connecting a PL-259 style portable ant... Read more
Alpha 9500 Autotune Full Legal Limit Linear Amplifier
The Alpha 9500 is no ordinary linear amplifier. The Alpha 9500 is the culmination of over 40 years of design and engineering. The Alpha 9500 is an adv... Read more
Ameritron ATR-20 Antenna Tuners ATR-20
Ameritron ATR-20 Antenna Tuners are versatile, high-power antenna tuners. The ATR-20’s roller inductor “T” matching network continuo... Read more
E-Coder 2 Controller
The E-Coder 2 panel was designed to control Expert Electronics SDR devices with a focus on remote operation. It has a high quality low latency sound c... Read more
PTRX-7300 Panorama Adaptor for the IC-7300
A panorama adapter for the IC-7300? What’s the point, you might ask, the IC-7300 has such a nice spectrum and waterfall display? Right, but unfo... Read more
News
Mysterious Radio Signal Discovered in Milky Way Center | What Is It!?
Ziteng (Andy) Wang is a PhD student at the University of Sydney. He recently discovered an unusual radio signal coming from the direction of the Milky... Read more
TRI BAND TRANSCEIVER – RS-UV3A
The HobbyPCB RS-UV3A radio module is a 144/220/450 MHz FM transceiver board. The RS-UV3A is a low cost transceiver solution for Packet Radio, repeater... Read more
ARRL Continues Its Efforts to Preserve Amateur Radio Secondary Use of the 3 GHz Band
ARRL President Rick Roderick, K5UR, in a written statement on the newly filed H.R.5378 before the US House Commerce Communications and Technology Subc... Read more
![Why Ham Radio [ ARRL Video ]](https://qrznow.com/wp-content/uploads/2021/10/hq720-1-265x168.jpg)
Why Ham Radio [ ARRL Video ]
Josh Nass, KI6NAZ, of @Ham Radio Crash Course talks about what ham radio is, and answers the question…. “Why Ham Radio?” Read more
High Speed Telegraphy 2021 in Montenegro
September 10-14, 2021, the 17th World Championship High Speed Telegraphy was held in Montenegro. The event was organized by MARP (Montenegrin Amateur... Read more
