![ARRL: Locating Power Line Noise with Mike Gruber, W1MG [ Video ]](https://qrznow.com/wp-content/uploads/2017/04/noise.jpg)
ARRL’s Interference Expert Mike Gruber, W1RM, takes his nose for noise to California, where he shows you how to hunt down a noise source in a real-world example. Recorded on location in Pleasant Hills, California, April 2015.
Review
HF Interference Problem from Ethernet over Powerlines Devices
“Testing to see how bad powerline internet connections can be for HF reception. These devices allow you to use your house power cables as a conv... Read more
How to measure current
It is often necessary to know how to measure current using a multimeter. Current measurements are easy to make, but they are done in a slightly... Read more
Review Palstar LA-1K – 1 kW Solid-State LDMOS HF amplifier
“Here’s a full review of the Palstar LA-1K, it’s a 1 kW dual LDMOS solid-state HF linear. It covers from 6 to 160 meters. The LA-1K as RF sensin... Read more
BITX-40 Unboxing by K7AGE
“My BITX-40 40 meter SSB QRP transceiver kit has arrived from India. This kit isells for $59 including shipping. My kit took 17 days to arrive f... Read more
VHF
I talked to space! NA1SS QSO KG5AKV
International Space Station “I talked to space today! Astronaut Serena Auñón-Chancellor has made random unscheduled contacts on some of the Satu... Read more
Ham Radio Tutorial – 2 Meter Repeaters
Ham Radio Tutorial – 2 Meter Repeaters Read more
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas GP-15
Comet GP-15 Tri-Band VHF/UHF Base Vertical Antennas provide good gain figures on the 6-meter, 2-meter, and 70-centimeter bands in a compact 7.9 foot p... Read more
Amateur Radio Guide to Digital Mobile Radio (DMR) by W2XAB
What is DMR? Digital Mobile Radio (DMR) was developed by the European Telecommunications Standards Institute (ETSI) and is used worldwide by pr... Read more
Digital Modes
JS8Call 0.8 Released – Refinement, Group callsigns
JS8Call Download “Hi folks! Happy to announce 0.8 of JS8Call. This is a backwards incompatible release (which is the primary reason for it being... Read more
New Ham Shack Part 4, Audio Mixer Installation by K7AGE
In this video I show you how I setup an audio mixer for my ham radio station. I am using this mixer to monitor the audio outputs from my Elecraft K3,... Read more
New Digital Modes Changing Complexion of Bands and Perhaps of Ham Radio
The wave of software-based digital modes over the past several years has altered the atmosphere of the HF bands. Some suggest the popularity of modes... Read more
Digital Mode Operators Invited to Take Part in 2016 Most Wanted DXCC Entities Survey
Digital mode operators are invited to participate in the 2016 Digital Mode Most Wanted Survey. Previously known as the “RTTY Most Needed DXCC Entities... Read more
Quicker-Turnaround Digital Modes in Experimental Stage for WSJT-X Suite
Recent sporadic-E propagation openings on 6 meters and elsewhere have pointed up the need for a digital mode having faster turnaround time than curren... Read more
Antenna
![4-Square installation in Eastport, Maine [ W2RE ]](https://qrznow.com/wp-content/uploads/2018/08/OZ1RDP_08_KBS_232_4Square-190x122.jpg)
4-Square installation in Eastport, Maine [ W2RE ]
Ray is installing a Four-Square system using four of the DX Engineering DXE-7580FS-VA-2 Vertical antennas at the Eastport, Maine site. Brand:DX Engine... Read more
The $4.00 Ham Radio Satellite Antenna
Ham Radio Satellite Antenna Simple, inexpensive and lots of fun! Here is an easy to make home brew antenna that can get you on the air working... Read more
80 Meter Shortened Inverted-L Bazooka Antenna
Bazooka Antenna A DOUBLE BAZOOKA antenna is an extremely broad-banded Half Wave Antenna that can operate efficiently across an entire Ham band with li... Read more
Stealth Antennas by G0KYA
The first edition of Stealth Antennas quickly became the ‘must have’ antenna book for everyone who wasn’t living in acres of land. T... Read more
HF Portable Par End-Fedz EF-20, Jackite Fiberglass Pole Deployment
This video shows how easy is is to set up an end-fed HF antenna and a fiberglass pole, even in non-ideal weather. Sorry for the water on the lens; the... Read more
![Automated Portable Station for tracking the orbit of ham satellites [Video]](https://qrznow.com/wp-content/uploads/2017/05/hamlince-265x168.jpg)
