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
Fixing a brand new Cushcraft A3S beam antenna
Cushcraft A3S Three Element Beam – 10, 15 & 20 Meters A3 World Ranger, our top selling tribander, has become the A3S with all stainless ste... Read more
An Unusual Jpole Antenna
An Unusual Jpole Antenna Read more
OB12-6 12 Element Yagi 40-20-17-15-12-10m – Optibeam
Unique in the world: 6 bands – no traps – 1 feedline – no tuning – perfect performance The new version of the OB12-6,... Read more
DIAMOND WD 330S a T2FD Short Antenna 2 – 30MHz
Peter Waters G3OJV, from Waters & Stanton, demonstrates the DIAMOND short dipole antenna. At just 10m long it is an attractive proposition for ham... Read more
New complete HF Portable QRP Station on the Palm of the Hand
Ver essa foto no Instagram January 19 / 2020 – New complete HF Portable QRP Station on the Palm of the Hand – Yesterday Sund... Read more
Review
Review of The Sidekar, CW device for the KX3
“I’m startin’ the year with a long overdue review of the QRPworks Sidekar. A super portable CW appliance built for the KX3. Oh yeah,... Read more
Measuring Coax Impedance – Ham Nation 378
Measuring Coax Impedance New ARRL 2019 calendar, Drok LM2596 voltage regulator, winterize your equipment. The new ARRL 2019 calendar is here, Amateur... Read more
Xiegu X5105 QRP Portable HF Radio – Review and Demo HF/6m
Operating mode: A1A(CW)，A3E(AM)，J3E(USB/LSB)，F3E(FM) minimum frequency stepping: 1Hz Antenna impedance: 50Ω Operating temperature range: -10℃ ~ +60℃ F... Read more
Watch This Before Buying A Baofeng Ham Radio… Or Another One
“There are some confusing trends in Baofeng Ham Radios that I think I need to speak about. These talking points come directly from the MANY ques... Read more
Comparing the MD2017 & RT82 DMR HTs, DMRTrack Firmware Info
“I’ve been wanting to do a comparison video for a while between the TYT MD2017 and the Retevis RT-82 dual band DMR HTs, which are essentia... Read more
Equipment
Receive Antenna Phasing Systems DXE-NCC-2
Imagine adjusting the controls to knock out strong interfering stations or noise and then being able to copy and log that weak DX station. After succe... Read more
MFJ-939I PLUG,PLAY,200W AUTOTUNER, HF – Plug & Play Auto Tuner
Plug & Play Auto Tuner Plug & Play! You won’t even know it’s there . . . MFJ-939I/K/Y automatically tunes your antenna as you tune your radio.... Read more
GEK SSB HF Transceiver
Project by N.Ganesan & I.Arun Silver series (Low range) for Beginners Gold series (Mid range) for Amateurs Diamond series (High range) for Profess... Read more
KX-QRP 2nd Look – Elecraft KX2 or KX3
The KX-QRP 2nd L👀K is an accessory for use with the Elecraft KX2 or KX3 Radios. These radios have the ability to decode RTTY, PSK and CW signals (with... Read more
Newly released receiver Icom IC-R 8600 compatible with digital wave
IC-R 8600 Broad band of 10 kHz to 3 GHz Product name / type name Communication receiver / IC – R 8600 Suggested retail price 228,000 yen + tax... Read more
News
Just Released: More Arduino for Ham Radio
The new book More Arduino for Ham Radio by popular author and experimenter Glen Popiel, KW5GP, builds on the success of his two previous titles, Ardui... Read more
Woody White, KZ4AK, Wins the July 2021 QST Cover Plaque Award
The winning article for the July 2021 QST Cover Plaque award is “A Sensitive Field Strength Meter for Foxhunting,” by Woody White, KZ4AK. The QST Cove... Read more
![SSTV Transmissions Scheduled from ISS [ August 6 – 7 ]](https://qrznow.com/wp-content/uploads/2021/08/133827-265x168.jpg)
SSTV Transmissions Scheduled from ISS [ August 6 – 7 ]
Friday and Saturday, August 6 – 7, Russian cosmonauts onboard the International Space Station (ISS) will transmit slow-scan television (SSTV) images f... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity slowed this week, with the average daily sunspot number declining from 48.9 last week to 33.9 this we... Read more
8-Meter Experimental Station on the Air from the US
WL2XUP is an FCC Part 5 Experimental station operated by Lin Holcomb, NI4Y, in Georgia. It’s licensed to operate with up to 400 W effective radiated p... Read more
![SSTV Transmissions Scheduled from ISS [ August 6 – 7 ]](https://qrznow.com/wp-content/uploads/2021/08/133827-90x60.jpg)
![SSTV Transmissions Scheduled from ISS [ August 6 – 7 ]](https://qrznow.com/wp-content/uploads/2021/08/133827-180x120.jpg)
