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
Successful Wire Antennas
Successful Wire Antennas Edited by Ian Poole, G3YWX and Steve Telenius-Lowe, 9M6DXX/ KH0UN If you are interested in wire antennas Successful Wire Ante... 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
7el LFA2 Noise comparison on 50 MHz
VA3NCD had the luxury of being able to install 2 50MHz 7el Yagis for testing one against the other. One an M2 7el JHV, the other... Read more
Best Antenna Practices
“Donald Clark, KB6QEW, is having some trouble with his SWR. But because of some issues in understanding his situation Dave will answer the best... Read more
How Strong are the DX Engineering End Insulators?
Over 6 years ago, DX Engineering introduced the patented (US Patent No. D534,905) serpentine style end insulators (DXE-UWA-END-KIT) which are c... Read more
Review
Traditional Amateur Radio Contesting Faces a Demographic Cliff
Frank Howell, K4FMH, followed up his two-part National Contest Journal (NCJ) series, “The Demographics of Contesting,” with a post to his Social Circu... Read more
Cheap Coax Switch Teardown and Comparison
“I have 4 “cheap” coax switches. How do they work? I need to switch between 4 radios and this might just do it! Callum.” Read more
What is POTA? Parks On The Air Ham Radio
What is POTA? Parks On The Air Ham Radio Read more
What is QSK? And How Do I Use It?
What is QSK? And How Do I Use It? Read more
Equipment
XIEGU X6100 – HF/50MHz Full-mode Ultra-portable Transceiver
X6100 inherits the compact and high performance characteristics of the X series.As a new generation flagship ultra-portable transceiver, it still achi... Read more
EMTRON DX-3SP – HF Amplifier ( 4.5Kw )
The “Big Gun” is getting even bigger, with the new DX-3SP! With over 4000 Watts CW and more then 4500 Watts SSB, this QRO muscle amp is... Read more
INRAD RX7300- New receive antenna socket for IC 7300
RX7300 IHSG and Vibroplex/INRAD announce the release of a new accessory product for the Icom IC-7300 which provides a receive antenna socket on the re... Read more
Zhong Xing Power Amplifier – HF2013DX
Zhong Xing Power Amplifier Since 2010 with advanced technologies and selected materials, we began to manufacture Zhong Xing Power Amplifiers fo... Read more
ANAN-8000DLE HF & 6M 200W SDR Transeiver
The ANAN-8000DLE HF & 6M 200W SDR Transceiver meets and exceeds the requirements of even the most discerning Amateur Radio Operator, it is based o... Read more
News
Comet CAT-300 Manual Tuner
Introduced at Hamvention for the US market the new Comet CAT-300 tuner will handle 300 watts and covers 160 through 6 meter amateur radio bands. Comet... Read more
iPortable Rack Systems | Ham Radio Rack Mounts
Take your Ham Radio Portable with iPortable. A look at these really cool rack mount units for HF/VHF/UHF Ham Radio. Portable Pro2 Equipment Rack Syste... Read more
The history of communicating with submarines underwater
“Nestled deep in the Chequamegon-Nicolet National Forest in Northwest Wisconsin is the small town of Clam Lake. Clam Lake is best known for the... Read more
K4BEN, announces the official beta of his Remote Radio Service
K4BEN, announces the official beta of his Remote Radio Service, DXRemote.net. It is a very simple concept: his enterprise-class, redundant n... Read more
New at ICOM Hamvention 2022!
ICOM Hamvention 2022! Take your contesting experience to the next level with the latest LDMOS power device with features supporting a SO2R operation i... Read more
