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
Jim W6LG Uses A Short Dipole To Demonstrate How A Dipole Functions
Jim makes and then shows his tunable half wavelength dipole antenna. Using an antenna analyzer, Jim finds the resonant frequency and the lowest SWR do... Read more
CHA TDL (TACTICAL DELTA LOOP)
The Tactical Delta Loop antenna (CHA TDL), is a portable High Frequency (HF) antenna specially designed for transportability, quick setup, a... Read more
Why I LOVE my Antenna Wire Measuring Counter!
This is an amazing machine made by “Sam” in the USA. I thank him for hand-assembling these. I have two now – and Sam is furnishing m... Read more
Hy-Gain T2X Tailtwister Series II – Antenna Rotator
T2X Tailtwister Series II for large medium antenna arrays up to 20 square foot wind load The T-2XD2 includes the DCU-2 Digital Automatic Controller... Read more
Cushcraft MA-5B Yagi Antenna
Cushcraft Compact HF Multi-Band Beam Yagi Antenna10-20 MetersThe MA5B, Compact HF Multi-Band BeamSmall Footprint — Big SignalMA5B, Cushcraft’s m... Read more
Review
Bridgecom Systems REVEALS the Skybridge Hotspot | EASY Pi-star Setup
Skybridge Hotspot | – High Power -> 10mW – 1.3″ OLED Screen – See your contacts and connection info! – Cross-Mo... Read more
Xiegu G90 Unboxing
G90 is a portable 20W HF amateur radio transceiver with an SDR architecture with built-in auto antenna tuner. The display unit and the radio can be se... Read more
“A Day At MFJ.” How Their Products Are Made And How Quality Is Job
“A Day At MFJ.” How Their Products Are Made And How Quality Is Job Read more
![Flex-6400M and Flex-6600M Preview from the Dayton Hamvention 2017 [ VIDEO ]](https://qrznow.com/wp-content/uploads/2017/05/18622145_10101189664121067_3083379459574983841_n-265x168.jpg)
Flex-6400M and Flex-6600M Preview from the Dayton Hamvention 2017 [ VIDEO ]
Flex-6400M and Flex-6600M Read more
Equipment
ICOM IC-705 SDR transceiver Update
IC-705 HF/VHF/UHF Mobile Transceiver – Coming Soon! The new portable HF/VHF/UHF IC-705 has many great features such as SDR platform, internal ba... Read more
Xiegu X5105 HF+6m Transceiver
Xiegu X5105 “Here is a pic of the new Xiegu X5105… Xiegu Tech will launch new products. I’m very pleased to share relevant information wit... Read more
SPE Expert 2K-FA Linear Amplifier
SPE Expert 2K-FA Product Specifications The smallest in its class. Built-in Power supply and Automatic Antenna Tuner. Dimension: L 38, H 18.3, P 43 cm... Read more
A $38.99 RTL-SDR with 100 Khz – 1.7 GHz coverage
RTL-SDR 100Khz-1.7GHz Full Band UV HF RTL-SDR USB Tuner Receiver/ R820T + 8232 Ham Radio 100% Brand New And High Quality Using the RTL2832 idle chann... Read more
BEKO HLV-1250 2 Meter RF Power Amplifier with 1,250 Watts RF output
Designed for Weak Signal, Tropo Scatter, Meteor Scatter, Digital, & Contest Operation! The BEKO HLV-1250 is a special 25th Anniversary Amplifier c... Read more
News
Yasme Foundation Releases Chronicles of Amateur Radio DX History
The Yasme Foundation has released two chronicles of amateur radio DX history that make for compelling reading — a downloadable edition ofYasme: The Da... Read more
Camp for Young Radio Amateurs in the Americas is a Go for this Summer
The long-awaited inaugural Youth on the Air (YOTA) camp for young amateur radio operators in North, Central, and South America will go forward this Ju... Read more
Belka DX Shortwave Receiver – Closeest Thing To A Spy Radio?
Lets take a look at the Belka-DX a tiny shortwave receiver. Read more
Clear Frequencies Requested for Net Providing 24/7 Coverage of St Vincent Volcanic Eruption
The Caribbean Emergency and Weather Net (CEWN) has been providing round-the-clock coverage during the La Soufriere volcanic eruption on the island of... Read more
Samuel Morse special event
Members of the Hungary Radio Amateur Society (MRASZ) will activate the following callsigns in celebration of the 230th anniversary of the birth of Sam... Read more
![Testing 2M FM with the KX3+PX3 retrofit [ VIDEO ]](https://qrznow.com/wp-content/uploads/2020/02/111-thickbox_default-265x168.jpg)
