“New Ask Dave format with Dave Casler and with Ask Dave Editor Trevor Oman, takes on questions about antennas and analyzers.”
Antenna
Electromagnetics, the W8JK Antenna, and the ‘Wow!’ Signal
Electromagnetics, the W8JK Antenna, and the “Wow!” Signal Or, “My friend, the Ohio State Professor, Dr John Kraus, W8JK” Bob HoufK7ZB Antenna enthusia... 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
7 element 144MHz LFA-Q Super-Gainer Quad Style Yagi
Description If it is GAIN you want from a small boom, this is the antenna for you! Wow, Super compact boom!! Massive 13.6dBi from this antenna!... Read more
Antenna experiment – Fractal Quad for 28 Mhz band
“After reading many antenna articles in the Internet and a couple ARRL antenna books I got interested in physically small HF antennas. My... Read more
Robot Adds New Twist to NIST Antenna Measurements and Calibrations
The National Institute of Standards and Technology (NIST) has been pioneering antenna measurement methods for decades, but a new robot may be the ulti... Read more
![Home Brew Lightning Disconnector [ Video ]](https://qrznow.com/wp-content/uploads/2016/11/fgbdf-190x122.jpg)
App - Mobile
Remote Vacuum Relay Switch, RK-314
Features The RK-3xx series of switches uses vacuum relays. It is designed to switch coaxial lines in RF systems operating up to 5 kW continuous... Read more
New iOS App Available for The ARRL Repeater Directory ®
The ARRL Repeater Directory ® — introduced this week for 2015-2016 — has a newly launched companion app for Apple® iOS® devices. iPhone®, iPad®... Read more
SDR Touch demo on Android device using SDRplay RSP
This demonstrates turning an Android Tablet (or Android Phone) into a highly portable comms receiver or spectrum analyzer operating from Long Wave to... Read more
RFinder – The World Wide Repeater Directory kicks BrandMeister up a notch. DMR without CodePlugs!
RFinder has worked with the DMR network Brandmeister to create new usability enhancements. The new dashboard just released includes coverage maps gene... Read more
HF Beam Antenna Calculator for Iphone and Ipad
Antenna Calculator The Maidenhead & HF Beam Antenna is a useful utility to calculate the the Maidenhead LOCATION as well as HF Elements’ s... Read more
FlexRadio Systems Announces Partnership With DL8MRE – APP for Iphone
FlexRadio Systems and Marcus Roskosch, DL8MRE announced today a partnership to develop, market and sell a client interface application for both iPad®... Read more
VHF
Alpha 8406 – 6 Meter Linear Amplifier
Whether you are a weak signal operator or a serious contester, the 8406 is the ultimate 6 M amplifier. It handles continuous duty modes like WSJT with... Read more
SAMCOM Mini Mobile Radio 218
SAMCOM Mini Mobile Radio 218 Key Specifications Frequency Range V:136.000MHz-174.000MHz V:220.000MHz-248.000MHz U:400.000MHz-470.000MHz System F3E(FM)... Read more
Baofeng UV-3R+ (Camo)
Description: UV-3R+ series two-way radios are the updated styles based on UV-3R by BAO FENG, it has multi-functions, such as dual band, dual display,... Read more
Uniden Announces DMR/MotoTRBO™ Support Coming Soon
Uniden Advances Scanning with Digital Mobile Radio (DMR) Demonstrating our commitment to continually enhance the value and relevance of your investmen... Read more
BaoFeng UV-82HP (Camo) VHF/UHF
BaoFeng UV-82HP WHAT MAKES IT UNIQUE? * It has 3 Power Levels (1, 5, 7 watt) * VFO/ MR (Frequency Mode) can be locked via software * The Dual Push-to-... Read more
Digital Modes
FT8 – Tipping Point for Ham Radio?
This is a view from NASA of the sun today, October 9, 2018, and I am making 10m DX contacts one after another. Zero sunspots but working DX on... Read more
JS8Call 0.9 Release notes
“Hi Folks, Thanks for staying patient with me on this one. Build servers were being weird today! Happy to bring you release with simple features... Read more
MFJ-1204 – USB TO RIG SC INTERFACE, W/8-PIN DIN,DATA/ACC PORT
MFJ-1204 Includes radio interface cable (8-PIN DIN) Sign up for the digital revolution and explore a whole new world of amateur radio excitement using... Read more
JS8Call 0.8 Released – Refinement, Group callsigns
JS8Call Download “Hi folks! Happy to announce 0.8 of JS8Call. This is a backwards incompatible release (which is the primary reason for it being... Read more
JS8Call 0.7 Released
J8Call “Howdy Folks, We’ve sure come a long way in the past few weeks. Thanks for sticking with me and enjoying the ride! This release is... Read more
FT8 is exploding! – No Nonsense Amateur Radio Podcast #6
FT8 is exploding! 1#popular HamRadio digital mode In this episode of the No Nonsense Amateur Radio Podcast, Tom, KB5RF, and I explore... Read more
![Are We Entering a Maunder Minimum? [PODCAST]](https://qrznow.com/wp-content/uploads/2019/02/solar-cycle-sunspot-number-265x168.gif)
