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 successful direction finding loop, in this video I build an RF sniffer probe and track down the source of QRM and finally eliminate it! The sniffer is for pointing a suspect items up close when perhaps the loop might be overwhelmed or non-directional if say inside a building
Antenna
KE4PT and W4RQ Win the September QST Cover Plaque Award
The winning article for the September 2018 QST Cover Plaque award is “Small Gap-Resonated HF Loop Antennas” by Kai Siwiak, KE4PT, and Richard Quick, W... Read more
The Air Jupiter End Fed Co-Linear Antenna
⭐️launching today⭐️ The Air Jupiter End Fed Co-Linear Antenna! Here’s a video, 150watts, VSWR 1:3:1, Details to Follow 73’s Tom #HamRadio #SOTA #AvGee... Read more
Log Periodic Antennas – “ARRL The Doctor is In” podcast. Listen…and learn!
These directional antennas may look like Yagis, but they are quite different. The Doctor explains! Read more
OMNI-TILT™ Vertical Antenna Tilt Bases DXE-OMNITILT-2P
DX Engineering OMNI-TILT™ Vertical Antenna Tilt Bases are a completely new design that incorporates features that make this Tilt Base a ‘must ha... Read more
What is a Bi-Cone Antenna ?
Bi-Cone Antenna he Bi-Cone Antenna is a Dipole Antenna The Bi-Cone antenna is essentially a finite length dipole antenna that exhibits very wide reson... Read more
Review
Jim Heath W6LG Discusses Antenna Gain, Yagis and Rotators
Jim Heath W6LG talks about antenna gain using a light bulb. He shows a simple yagi and 2 brands of antenna rotator Read more
Jim W6LG Talks About Grounding, Bonding, Earthing, Shielding and Protecting
What are grounding, bonding, earthing, shielding and protecting in the amateur radio station? This is Part 1 of a series of videos. Should you run a g... Read more
Introducing the SDRplay Raspberry Pi downloadable SD Card Image
SDRplay Raspberry Pi Bringing the Radio Spectrum to your computer: In this video we show the process of downloading an SD card image for a Raspberry P... Read more
![Keys and Keyers – ARRL The Doctor is In [PodCast]](https://qrznow.com/wp-content/uploads/2017/08/26490-l-265x168.jpg)
![Yaesu FT-991 HF – UHF Transceiver [ Video ]](https://qrznow.com/wp-content/uploads/2015/02/FT-991-265x168.jpg)
Yaesu FT-991 HF – UHF Transceiver [ Video ]
Universal-Radio presents the Yaesu FT-991 HF – UHF Transceiver Read more
Equipment
New Network Vector Analyzer FXNANO 0.5/900 MHz
Display 3.2″ , 100% compatible with all NANOVNA fw. Version redesigned with BNC, switch tact, increased battery and many other functions https:/... Read more
Codan 2110M – HF Transceiver – Military
Frequency rangeTransmit: 1.6 to 30 MHz, 10 Hz steps Receive: 0.25 to 30 MHz, 10 Hz steps Frequency Stability: ±0.5 ppm from –30°C to +60... Read more
LimeSDR Mini
An open, full-duplex, USB stick radio for femtocells and more The LimeSDR Mini development board is a hardware platform for developing and prototyping... Read more
Vibroplex Code Warrior Jr
Vibroplex The Code Warrior Keys are uniquely serial numbered and dated. With a base measuring only 2 1/2″ by 3″, this small iambic model... Read more
News
Ham Radio’s SuitSat Returns in Short Horror Film
SuitSat loses its innocence in a new video short sci-fi thriller Decommissioned. “Inspired by true events,” the video short resurrects the 2006 spaces... Read more
Capture the MAGIC of Six Meters — eBook
Have you ever wondered about the “Magic” of Six Meters? After all, you’ve probably pressed the six meter button on your rig and failed to find any mag... Read more
Eastern Iowans Rely On Ham Radio When Severe Weather Strikes
A derecho with winds of 80 to 100 MPH struck eastern Iowa last August, disrupting power and telecommunications for some 400,000 residents. But, as... Read more
David A. Duncan, K7DUN, Wins the January 2021 QST Cover Plaque Award
The winning article for the January 2021 QST Cover Plaque award is “CW-ELMER – An Advanced Morse Code Learning System,” by David A... Read more
ISS SSTV 145.800 FM Jan 28-29
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
![USA Amateur Radio Band Plan [ HQ ]](https://qrznow.com/wp-content/uploads/2014/12/bandplan-265x168.jpg)
