Did you know, not all Toroids are created the same? They may look the same, but there is one big difference!
UPDATE: I’m sorry, in the video I was saying magnesium sink when it’s manganese zinc. thanks to fep Labs radio for pointing that out, sometimes doing videos early in the morning are a bit difficult RF Grade Toroid’s, and how to tell if you have one!
This quick, yet simple trick will help you understand if you have an RF Grade toroid made of Nickle Zinc.
Antenna
GA-450 Portable Active Small Loop HF Antenna
Loop HF Antenna Here we take a look at the GA450 Active Loop HF Antenna. Overall impression, better than expected! Features:1. The antenna is an excel… Read more
Optibeam OB8-4M 8 Element 4 Band
The OB8-4M is an extremely effective, compact and innovative Yagi for the classical four bands 40, 20, 15 and 10m. It is the first trapless Yagi for t… Read more
Why use a J-Pole Antenna?
“A viewer asks: Why J-Pole antennas? I mean it’s a cool design and all, but some people swear by them. What advantages do they have? Lower… Read more
HF Vertical Antenna – Cushcraft R9 covers 6,10,12,15,17,20,30,40,80 Meters
HF Vertical Antenna • NO GROUND SYSTEM OR RADIALS NEEDED • RUGGED CONSTRUCTION • INSTANT BAND CHANGING • SLIM LOW PROFILE SILHOUETTE This multi… Read more
MEF-330-1K Multi Band End Fed Half Wave Antenna
Product Description MEF-330-1K Multi Band End Fed Half Wave Antenna This is an End-Fed Half Wave antenna (EFHW) resonant on 8 amateur bands. … Read more
ALEXLOOP HAMPACK SYSTEM
PY1AHD ALEX the ALEXLOOP Portable Magnetic Loop creator working on his home factory. Shown is the new AlexLoop tuner used in the HamPack. The spacing… Read more
Review
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
Optimizing Receiver Performance – “ARRL The Doctor is In” podcast. Listen…and learn!
There are a number of ways that you can adjust your transceiver for optimum receive performance Read more
SharkRF Openspot3, The Most Advanced Digital Ham Hotspot!
Compatible digital radio protocols and networks DMR (BrandMeister, DMRplus, DMR-MARC, Phoenix, XLX, TGIF) D-STAR® (DCS, REF/DPlus, XRF/DExtra, XLX) Sy… Read more
Building the v6.1 Micro BITX from India
“I build the new version 6.1 uBITX HF QRP SSB/CW transceiver fromm www.hfsigs.com in India. For an extra US$50, they include a case, another ext… Read more
![PSK31 Digital Mode [ Video Tutorial ] – QRP School](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2022/05/0115-265x168-1.jpg?w=635&ssl=1)
PSK31 Digital Mode [ Video Tutorial ] – QRP School
Photo: W7RN This is a comprehensive intro to the PSK31 digital mode. It’s all of the major concepts and some demonstration crammed into a 30 min… Read more
Emergency Grid Down Communications Winter Edition
“Hello Operators Extreme weather and grid down disasters seem to be happening more often, and with greater intensity. More often than not, when… Read more
Equipment
![CS108G+ HF Radio [ Pre-Order ]](https://i0.wp.com/www.nerfd.net/wp-content/uploads/2022/05/CS108G_Front__73855.1479246571.1000.1200-265x168-1.jpg?w=635&ssl=1)
CS108G+ HF Radio [ Pre-Order ]
CS108G+ is an upgraded version of the X108G from Xiegu. Besides the standard features as will be described below, this version has a built in Spectrum… Read more
E-Coder 2 Controller
The E-Coder 2 panel was designed to control Expert Electronics SDR devices with a focus on remote operation. It has a high quality low latency sound c… Read more
DR4020 Dual band Digital QRP radio
A simple QRP digital transceiver. — Fully assembled and tested– Perfect for outdoor digital radio contacts,such as FT8,FT4,JT65 etc. Band: 20… Read more
uBITX – A Compact HF Transceiver
uBITX – A Compact HF Transceiver 10 watts pep on lower HF bands, dips to 5 watts on 28 MHz SSB and CW Simple to build and align Minimal controls… Read more
Morse Express Christmas Key by N1FN
“In Celebration of the Season… Morse Express presents the 2014 Christmas Key Fourteenth in the popular annual series, our 2014 Christmas… Read more
WS1098 Digital Scanner
The Whistler WS1098 desktop/mobile EZ Scan digital scanner with digital trunking technology features a new full keyboard, location-based auto programm… Read more
QRPver-1 v.3 ONE band QRP transceiver
The transceiver is built on the scheme with a single superheterodyne frequency conversion and four Crystal quartz filter. The device is controlled by… Read more
IC-9700 Firmware Update
Download Type Firmware Model name IC-9700 Version Version 1.23 Update 2020/04/03 Major changes Changes from Version 1.21 Changed the screen drawing se… Read more
The post You are using the WRONG toroid for an EFHW Antenna, Maybe! appeared first on QRZ NOW – Ham Radio News.