Ionospheric Propagation of Radio Waves
Propagation/Beginner's Guide
Ionospheric Propagation of Radio Waves in Action, How Do Ionized Layers Form to Enable Ionospheric Propagation of Radio Waves, the foundamental role of F layer, and the role of the other ionized layers
A 160 Meter Antenna Hybrid Design
Antennas/160M
This antenna looks like an inverted L antenna, yet it is not, it could also be viewed as a 160m off-center fed dipole antenna, it looks more like an end-fed 1/4 wave 160 meter antenna.
ARRL Headquarters will be Closed on Monday, February 21
ARRL Headquarters will be closed on Monday, February 21 in observance of Presidents Day, and there will be no W1AW bulletin or CW practice transmissions on that day. ARRL Headquarters will reopen on Tuesday, February 22, 2022, at 8 AM EST (1300 UTC).
Two Tone Generator
Technical Reference/Test Equipment/Signal Generator
A two tone generator is an essential test gear made with just four transistors that helps you evaluate your amplifiers, mixers, receivers for distortion. Distortion makes all the difference between a pleasant receiver and a horrible sounding one, between a clean transmitter and bad, splattering one on air.
Specan Spectrum analyzer
Technical Reference/Spectrum Analyzers
The Specan is actually a very simple but robustly built receiver. it is, in essence, a double conversion superhet receiver with 112 Mhz and 12 Mhz Intermediate frequencies. The first mixer uses an Si570 as the local oscillator. The Ardiuno that controls the Specan is a very flexible microcontroller board that you can program in simple C language
A Simple Dual-band Transceiver
Technical Reference/HF Radios
This a well performing, simple two band transceiver. The transceiver design is inspired by the S7C superhet. A dual-band transceiver with a crisp receiver and a clean SSB signal
BITX QRP RTX
Technical Reference/HF Radios
An easy to build 6 watts SSB transceiver for 14MHz. BITX is an easily assembled transceiver for the beginner with very clean performance. Using ordinary electronic components and improvising where specific components like toroids are not available, It has a minimum number of coils to be wound.
AGCW-DL QRP Contest
DX Resources/Contest
The AGCW-DL invites all radio amateurs to participate in the annual QRP CONTEST. Annually on the second Saturday in March from 1400 to 2000 UTC. 80-10 meters bands except WARC
South Gobi Region, Mongolia
Mats, RM2D (SM6LRR), will be active as JT4RR from South Gobi Region, Mongolia, between March 20th and April 5th. He also mentions that sometime in March-April and in July-August, he is planning a few days of activity as JT4RR/P from the South Gobi Desert
Crozet Island DXpedition
After the permission granted by the TAAF and the DXpedition announcement, time has come to gather the equipment and move forward with the preparations. As you can see on the picture below, talks are extensive!
Homemade panadapter brings waterfall to old radio
Ham radio operators can be pretty selective about their gear. Some are old-school tube purists who would never think of touching a rig containing transistors, and others are perfectly happy with the small Software Defined Radio (SDR) hooked up to their PC
AAW 2022
The 19th Antarctic Activity Week (AAW) will take place this week between February 21-27th. All Radio Amateurs (OMs and SWLs) around the world, Clubs and Organizations as well as other important groups and individual operators World-Wide, are invited to join and share with them in this initiative
Cuba's communications regulator inspects FRC
The Cuba's Ministry of Communications MINCOM held an inspection of the 16 branches of the national amateur radio society FRC from February 7-11
Tragedy in Petrópolis: Radio amateurs provide support
Brazil's LABRE reports on the amateur radio response to the landslides and flash flooding that hit the Brazilian city of Petrópolis on February 15
Adventure Radio Society
Sponsor of the Spartan Sprints are two-hour gatherings held the first Monday of every month.
Digital Mode calling frequencies
Operating Modes/Digital Modes
A summary of common calling frequency for each digital mode on that band.
Top Amateur Radio Websites - Issue 2205
IARU Beacon Map Live, OnLine Morse Tutor by NoseyNick, EiBi shortwave schedules , Double Quad Antenna for 24cm, Icom ST-4003 Time Sync software, FGB-5000 Mini VFO Display, FGB Wakeup for Yaesu FT RTX , MTC Radio, FGB-5000 Mini tuning aids,
Rebel DX Group DXpedition news
We are looking for CW operator or 2 willing to travel with a very short notice due the restrictions and possible 2 weeks quarantine before going on board
Cape Town ARC flea market and boot sale
The Cape Town Amateur Radio Club will have its annual Bumper Flea Market/Boot Sale as always on the first Saturday of March
ARISS school contact to be broadcast on QO-100
Gary, ZS6YI was approached by AMSAT-DL to take their livestream YouTube transmission and transmit it on the QO-100 DATV Satellite
QSO Today - Arnie Shatz, N6HC
Arnie Shatz, N6HC, began his amateur radio journey over 64 years ago, loves to work DX, on CW, and has participated in 14 major DXpeditions, including the ill fated 3Y0Z to Bouvet Island a few years ago
TX Factor - Episode 28
Thanks to a pandemic related pause, it’s been over a year since our last episode was released so we’re trying to make up for lost time by releasing show number 28 almost eight years after our first show back in February of 2014. Where have all those years gone?!
ARRL Audio News - February 18, 2022
Youth on the Air Camp 2022 Application Period Now Open
In-Person Registration Now Open for the 2022 HamSCI Workshop
SWLogger
Software/Shortwave
A quick and easy logging application designed for BCL and shortwave listeners, requires a recent Windows OS and .Net Framework
Winter Games special event station to go QRT this weekend
Special event station BY1CRA/WO22 will go QRT when the games close on 20th February
New mParks converter
This is Marty VK4KC, Parks on the air (POTA) admin for Australia to inform you of a new software utility for windows, that Alan McDonand, VK2MET has written called mParks converter
Tragic conclusion to missing persons story
WIA News reports on the tragic conclusion to a missing persons story reported on WIA News several years ago. The bodies of an amateur radio operator and his companion have been positively identified
Message to US educators: Amateur Radio on the International Space Station contact opportunity
The Amateur Radio on the International Space Station (ARISS) Program is seeking formal and informal education institutions and organizations, individually or working together, to host an Amateur Radio contact with a crew member on board the ISS
URESAT-1 - A chess playing ham radio satellite
URE reports intensive work is underway to make URESAT-1 available before the end of the year
Morse Code in HackSpace magazine
Mike Bedford G4AEE writes about Morse code on pages 84-89 of the March 2022 edition of HackSpace magazine (issue 52) which is available as a free PDF
ARISS contact scheduled for students in Denzlingen, Germany
This will be a direct contact via amateur radio. Students at Erasmus-Gymnasium Denzlingen, Denzlingen, Germany AND Goethe-Gymnasium, Freiburg, Germany will ask questions to astronaut Matthias Maurer, amateur radio call sign KI5KF
CW Operators QRP Club Inc.
The CW Operators' QRP Club exists for those who enjoy low power amateur radio and homebrewing.
Guide to your first steps in CW
Operating Modes/Morse code/Learning Morse Code
Notes, hints and tips on starting with morse code, how to approach learning the code, how and when to get on the air, learning and using abreviations, common Q-Codes and a sample morse code QSO.
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