-
Learning Morse Effectively - ARRL
So if you have some hearing impairment, either use the PicoKeyer Plus to drive a transceiver with a loud sidetone or choose another keyer. I taught a ham radio ... Learn More
-
Upgrading to an Extra License - ARRL
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More
-
Arduino CW Trainer - ARRL
and send the code entirely by sound. Recently, I examined Arduino for Ham. Radio by Glen Popiel, KW5GP, and real- ized I could write the CW training ... Learn More
-
Morse Code - ARRL
(for continuous wave) — has been an integral part of amateur radio from the start, and some stalwarts still consider it the essence of ham radio. A substantial ... Learn More
-
Kid-Friendly Morse Code Key Project - ARRL
Jun 30, 2022 ... Michele Knoblauch, KD2BPN, was first licensed in 2012. She became interested in amateur radio while her husband, Bob, was studying for his ... Learn More
-
A One-Hour, No-Solder Code Practice Oscillator - ARRL
It's perfect for clubs, schools and groups that want to stimulate interest in the early stages of an. Amateur Radio course, especially if you're teaching on a ... Learn More
-
CAS-6 Satellite CW Telemetry Beacon Encoding Format - ARRL
Dec 19, 2019 ... 1. BJ1SO. Satellite Callsign. Standard Morse Code. 2. DFH. Start Identifier. Standard Morse Code. 3. CH1. Telemetry Data Channel 1. Learn More
-
Instruction: Teach and Train New Hams - ARRL
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More
-
Youth Lounge - ARRL
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More
-
Awards - ARRL
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources. Learn More
NEW TO ARRL
LEARN MORE ABOUT
MEMBER QUICK LINKS
LICENSING LINKS
IN THE ARRL STORE
Copyright © 2026 The American Radio Relay League, Inc. All rights reserved. Reproduction of material from any ARRL web page without written permission is strictly prohibited.