Here we take a look at the principles of a transmitting magnetic loop and then test a magnetic loop built by 2E0ERO.
Antenna
Portable 2 element 6m beam
Over the years we have been asked numerous times for a really lightweight portable 6m beam. Building on over a decade of experience making and marketi... 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
Radiowavz Sentinel Expedition
“Hope (KM4IPF) talks about the Radiowavz Sentinel Expedition Hex Beam that she and her siblings have been using. They have come up with a few ti... Read more
I Found & Eliminated My QRM / RFI (Radio Frequency Interference)!
This is the third in a series of videos following my efforts to track down a source of local QRM / Radio Interference. Following the build of a succes... Read more
Attic Mounted HF Loop Antenna In HOA, Does It Work?
“I went to my friends house to check out his setup and get him up and running on some HF digital modes. A lot of hams are struggling in an HOA w... Read more
Review
Max Gain Systems 32 ft. push up mast, quick look.
https://mgs4u.com/product/mk-6-series-32ft-masts/ Specifications Maximum Usable Length (Height): 32 feet Length when sleeved: 7 feet and 3 inches Mini... Read more
MFJ-4403 Voltage Conditioner
Protects against reverse voltage, over-voltage, voltage transient, and short circuits. Super noise and ripple filtering … Power supply bufferin... Read more
You’ve Been Doing This Wrong Your Whole Life!!
Wind Your Coax Like the Pros Do | Tangle Free Over Under Method Read more
FLEX-6400M from the ARRL Review
FLEX-6400M Radio Server SDR Features 100W PEP HF-6m operation All modes/all bands Integrated Remote Operation with Maestro, PC/ Laptop, iPad® or iPho... Read more
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
Equipment
SunSDR2 DX – New 100 Watt SDR This Fall!
Exiting news from Expert Electronics! The introduction of the brand new SunSDR2 DX being planned for this fall. At Hamradio Friedrichshafen this weeke... Read more
QRP Labs new QCX+ QRP CW/WSPR transceiver kit
QRP Labs has just announced the QCX+ which as the name implies is an upgraded version of the very popular QCX line of transceivers To date almost 10,0... Read more
MRFX1K80H: 1800 W CW over 1.8-400 MHz, 65 V Wideband RF Power LDMOS Transistor
The MRFX1K80H is the first device based on NXP’s new 65 V LDMOS technology that focuses on ease of use. This high ruggedness transistor is desig... Read more
RigExpert Stick 230 100kHz – 230MHz Analyzer
RigExpert Stick 230 Small. Handy. Powerful. The analyzer is designed for measuring SWR (standing wave ratio), return loss, as well as other parameters... Read more
Radio Incident Command Kit by N1RFD
What is my definition of a Communications Go-Kit? A Communications Go-Kit (or Radio-Ready-Kit) is made up of a portable “Amateur radio” st... 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
