The challenge was to breathe new life into a 75 year old Marconi CR100
Antenna
Discone Antenna
A discone antenna is a version of a biconical antenna in which one of the cones is replaced by a disc. It is usually mounted vertically, with... Read more
Cubical Quad Antenna JavaScript Calculator
JavaScript PROGRAM by N6ACH Ron vanVarden Sample: See More on Calculator Web Site: Link Photos – Click to enlarge ... Read more
Hy-Gain AV-680 9 Band Vertical Update Video
Hy-Gain AV-680 9 Band Vertical Hy-Gain Multi-Band PATRIOT Vertical Antennas 9-band vertical covers 80/40/30/20/17/15/12/10/6 Meters • No radials • No... Read more
Antenna Circular Polarization
“Space communication has forced the use of Circular polarization. The fundamental advantage of circular polarization is that all reflections cha... Read more
Review
“Receive Filters” episode of the “ARRL The Doctor is In” podcast. Listen…and learn!
Receiving every signal is not always a good thing — especially when you receive them all at once! The Doctor describes why proper filtering is i... Read more
![“Life Above 50 MHz” [ ARRL PODCAST ]](https://qrznow.com/wp-content/uploads/2019/01/vhf-136-174m-ham-radio-4elements-outdoor-yagi-antenna-vhf-radio-repeater-base-yagi-antenna-190x122.jpg)
“Life Above 50 MHz” [ ARRL PODCAST ]
“Life Above 50 MHz” is the topic of the new (January 17) episode of the “ARRL The Doctor is In” podcast. Listen…and learn! Sponsored by DX Eng... Read more
Expert Electronics MB1 – Software and Firmware update
Expert Electronics MB1 In this video I demonstrate how to update your Expert Electronics (SunSDR) MB1, for both software (ExpertSDR2) and firmware (as... Read more
Digital Modes
Work the World with WSJT-X – Dr. Joe Taylor
“Dr. Joe Taylor, K1JT, author of many of the weak signal digital modes and co-author of the very popular FT-8 mode presented: “Work the Wo... Read more
Third Public Test of FT8 DXpediton Mode Deemed a Success
The third public test of FT8 DXpedition Mode on May 5 is being called a success. The goal of the exercise was to simulate a rare DXpedition pileup on... Read more
Packet Engine Pro HF Modem
Demonstration of the new HF 300b Packet Modem Read more
On-the-Air Test of New FT8 “DXpedition Mode” Set for Early March
A second beta version of WSJT-X version 1.9.0 has been released, the WSJT development group announced this week. The “release candidate,” as it’s call... Read more
News
![Yaesu FT-991A [ HD Video ] – Tokyo HamFair](https://qrznow.com/wp-content/uploads/2016/08/14079648_1034442746653810_2637529115674452004_n-190x122.jpg)
Yaesu FT-991A [ HD Video ] – Tokyo HamFair
Yaesu FT-991A Read more
SMART ANTENNA ROTATORS
The Giovannini rotators, are designed for medium and very large antenna systems and the specifications that you read below are suitable for this. Mono... Read more
FEMA Announces Regions that Could Activate on 60-Meters for Hurricane Irma
The below listed Federal Emergency Management Agency (FEMA) Regions, including call signs, could be activating the 5 MHz/60-meter band frequencies in... Read more
OSCAR News Issue 212
Issue 212 of the AMSAT-UK amateur radio satellite publication OSCAR News was released on December 9, 2015. E-members can download it here. The paper e... Read more
![So Now What? The New Ham Radio Starter Pack [ Podcast ]](https://qrznow.com/wp-content/uploads/2019/03/0a03e0a6148da6b32909855dd8df674b-265x168.jpg)
