VHF
AMSAT/Vanderbilt RadFXSat-2/Fox 1E Set to Launch
Virgin Orbit’s LauncherOne is a go for launch on Wednesday, January 13, at 1500 UTC, carrying the AMSAT/Vanderbilt RadFXSat-2/Fox-1E CubeSat into spac... Read more
144 MHz signal from the Faroe Islands heard 3000kms away in Bulgaria during Geminid Meteor Shower – Dec 2020
Every year, the Geminid meteor shower peaks around the 14th of December and many VHF radio amateurs make contacts by bouncing signals off the meteor t... Read more
QYT KT-780 Plus 100 Watts 2 meter Mobile Radio Review and Demo
The QYT KT-780 Plus is a 100 watt mobile radio on the 2 meter Amateur Radio Band, and works on FM mode. Today we will walk through the menu of the rad... Read more
6000km TEP path on 144 MHz opens up between Buenos Aires and the Dominican Republic
Hot on the heels of the last post about the 5400km TEP opening on 144 MHz between Argentina and the island of Aruba, we have details of some more cont... Read more
Retevis RT95 Budget Dual Band Mobile Transceiver
Specifications GENERAL Frequency Range VHF:144-148MHz UHF: 430~440MHz Number of Channels 200 channels Channel Spacing 25K (Wide Band) 20K(Middle Band)... Read more
ARRL Asks FCC to Allow 3.4-GHz Operation until Spectrum is Occupied
In comments to the FCC, ARRL has argued that radio amateurs be allowed to continue shared operation in the 3.4 GHz band until 5G licensees who purchas... Read more
OH2BC installs large InnovAntennas 50MHz array
Every now and then, a really special antenna system gets installed and usually it is a result of desire, commitment and dedication of the station owne... Read more
Review
Icom IC-705 with the mAT-705 Portable Tuner
“Today I operate the Icom IC-705 at my hunting lease as a portable radio with an End Fed Random Wire antenna from Nelson Antennas, and the mAT-7... Read more
How Your Radio’s Final Amp Class Affects Efficiency
An Oggie asks why his radio draws so much more power than the 100 watts it puts out. The answer lies in using linear final power amps in the Class A,... Read more
My Wife Bought More Radio Gear On Wish and Ali Express
My wife surprised me at the end of 2020 with a new random box of goodies from Wish and AliExpress. Today we unbox some of these ODD radios and radio a... Read more
FTdx10 vs IC-7300 Comparison
This week Jonathan compares the new Yaesu FTdx10 and the Icom IC-7300. What are your comments on either? Read more
ICOM IC-705 Review and Full Walk Through
Here’s the complete and detailed review of the ICOM IC-705. If you are already an owner of this unit, this video covers the essentials of the op... Read more
Radials, Radials, Radials! Learn about radials!
In response to an Oggie question, we talk about radials for vertical antennas. Read more
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids
Explaining Ham Radio Antenna Baluns, UNUNs and Toroids Read more
News
Capture the MAGIC of Six Meters — eBook
Have you ever wondered about the “Magic” of Six Meters? After all, you’ve probably pressed the six meter button on your rig and failed to find any mag... Read more
Eastern Iowans Rely On Ham Radio When Severe Weather Strikes
A derecho with winds of 80 to 100 MPH struck eastern Iowa last August, disrupting power and telecommunications for some 400,000 residents. But, as... Read more
David A. Duncan, K7DUN, Wins the January 2021 QST Cover Plaque Award
The winning article for the January 2021 QST Cover Plaque award is “CW-ELMER – An Advanced Morse Code Learning System,” by David A... Read more
ISS SSTV 145.800 FM Jan 28-29
Russian cosmonauts on the International Space Station (ISS) are planning to transmit Slow Scan TV images on 145.800 MHz FM using the SSTV mode PD-120.... Read more
Contest University to Host Propagation Summit on January 23
Contest University (CTU) is holding a Virtual Propagation Summit on Saturday, January 23. The Zoom-platform event will get under way with introductory... Read more
FCC Notice: What You CAN And CANNOT Do With Ham Radio
FCC Notice: What You CAN And CANNOT Do With Ham Radio Read more
ARRL on the Purpose of Amateur Radio
For over 100 years amateur radio and ARRL — the National Association for Amateur Radio® — have stood for the development of the science and art of com... Read more
Propagation
The K7RA Solar Update
We just witnessed 12 consecutive days with no sunspots, which many of us found a bit unsettling. But fortunately Solar Cycle 25 activity returned with... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: What happened? Solar Cycle 25 seemed well under way, but no new sunspots have emerged since December 23. The last ti... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Merry Christmas! Sunspots went missing last Friday and Saturday, but large new sunspot group 2794 appeared on Sunday... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity has declined, with the weekly average daily sunspot number slipping from 57.6 last reporting week to... Read more
The K7RA Solar Update
Tad Cook, K7RA, Seattle, reports: Solar activity quieted this week, with the average daily sunspot number declining from 57.6 to 28.9, and the average... Read more
Geomagnetic Storm Watches Are in Effect through December 11
NOAA’s Space Weather Prediction Center (SWPC) reports that geomagnetic storm watches are in effect through December 11, due to the effects of a direct... Read more
A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020
A One-Two Direct Punch from the Sun | Informal Solar Storm Forecast 12-08-2020 Read more
