“How high should a dipole be? What happens if it’s too low or too high? We turn to EZNEC antenna modeling software to see that the old rule of thumb of one half wavelength is correct. But there are lots of things going on!”
Equipment
The DUC/DDC HF/VHF SunSDR2 transceiver
SunSDR2-transceiver – is an up-to-date system of the amateur radio communication in the HF and VHF frequency bands with the digital signal proce... Read more
Palstar SP30H
The Palstar SP30H ultimate communications speaker is a custom engineered speaker designed to match the sonic characteristics of the human voice. The... Read more
Icom IC-7300 – PRE-RELEASE INFORMATION
High quality real-time spectrum scope Now, a serious spectrum scope is NOT a “privilege” of high-grade models. The high-resolution real-ti... Read more
Review
SDR School Part One The Basics
“If you feel a little left behind with all this new-fangled SDR stuff, this video is for you! SDR School is presented in a non-technical fashion... Read more
How Does An Inexpensive Transceiver Sound Compared to A High End Transceiver?
Jim W6LG plays recordings of an Elecraft K3s and a Yaesu FT-450. Which sounds best to you? Vote for receiver #1 or receiver #2 and give a very short d... Read more
Icom IC-SAT100 Satellite PTT Radio
“Video, presented by James Heming which provides a comprehensive introduction to the Icom IC-SAT100 Satellite PTT Radio system, how it works, fe... Read more
Is Your SWR Meter Being Honest With You? – Ham Radio Basics–Jim Heath W6LG
“The answer may surprise you. There is some distortion in the audio towards the end of the video. Read more
Antenna
Status QUAD: 2/4/5 StQ 7- 2 elements 40/30 – 4 elements 20/17/15 – 5 elements 12/10
Horizontal and elements rod kit On the models with 4 and more elements, we use an horizontal tie-rods kit, to prevent bending in the horizontal plane.... Read more
ULTRA LIGHTWEIGHT D-HEXPEDITION PORTABLE HEXBEAM
The worlds lightest commercial G3TXQ Hexbeam at only 6KG specially designed with DX-peditions in mind. Main antenna features: THIS IS NOT A KIT, ready... Read more
HyEndFed 5 band 80/40/20/15/10 Antenna
HyEndFed 5 band for 80,40, 20, (15) and 10 meter. Max. Power : 200 watt PEP. Length : 23 meter. Enclosure : Polycarbonate IP67, 100% UV resista... Read more
Building Coaxial Cable Traps by W8WWV
“ “Introduction This page describes the design and construction materials I used to build a coaxial cable trap. A coaxial cable tr... Read more
App - Mobile
Android APP – Morse Trainer for Ham Radio
Learn or improve Morse code with Morse Trainer. Now with Farnsworth speed and Koch method. If you are a ham radio (amateur radio) operator or just wan... Read more
QRZ.com App for Android now in Beta Testing
The updates to QRZ’s Android App, formerly known as QRZDroid have been released and are available to those who are interested in trying it out.... Read more
Updated Android Digital QST App Now Available
A completely rebuilt digital QST app for the Android platform now is available from publisher Nxtbook Media, which responded to readers’ frustrations... Read more
Morse Machine – Android APP
This program teaches you to receive Morse Machine code (CW). It starts with two letters and adds more when it sees that you are ready. This is the eas... Read more
News
ARRL Seeks Changes in FCC Proposal to Delete 3.4 GHz Amateur Band
ARRL met via telephone with FCC staff members this week to emphasize its opposition to the FCC Notice of Proposed Rulemaking (NPRM) in Docke... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Up until September 23, we saw 32 consecutive days with no sunspots. Then new sunspot group AR2773 appeared, which ha... Read more
Hams Help Find Kids by Monitoring FRS Radios
Late on the afternoon of September 16, the police department in Post Falls, Idaho, received a 911 call that two juveniles — ages 9 and 11 — were missi... Read more
International Telecommunication Union Releases 2020 ITU Radio Regulations
The International Telecommunication Union (ITU) has published the 2020 ITU Radio Regulations — the international treaty governing the g... Read more
New mode FST4 – WSJT-X
Steve Franke, K9AN; Bill Somerville, G4WJS; and Joe Taylor, K1JT Version 2.3 of WSJT-X introduces a new family of digital modes we designate FST41. Th... Read more
![RSGB Strategy update [ Video ]](https://qrznow.com/wp-content/uploads/2017/11/mike-jones-2e0mlj-265x168.jpg)
