-
Instructions for Software/Data on Accompanying CD-ROM for 21st ...
Sep 6, 2007 ... IN THE C:\Program Files\ARRL\AntBk21\Antenna Tuners SUBDIRECTORY: The AAT program automatically evaluates antenna tuner networks over a very ... Learn More
-
Printed Circuit Boards
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
-
LoTW Help
Most Amateur Radio logging software developers provide their own support for LoTW module in their software. Please visit the webpage for your logging software ... Learn More
-
Microsoft Releases Windows Version 11
Oct 5, 2021 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
-
SCHEMATIC DRAWING SOFTWARE SWR ANALYZER CHECKS ...
SCHEMATIC DRAWING SOFTWARE. ◊ Readers occasionally ask me to recommend graphics soft- ware for drawing schematics. There are many answers to this question ... Learn More
-
Surfin': When One Thing (Music) Leads to Another (Radio)
Tom Zicarelli, KA1IS, wrote to me about his music project that ended up being a ham radio project using ham software defined radio (SDR) project using Max/MSP. Learn More
-
Noise Logging
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
-
LightSail CubeSat Stops Transmitting
May 29, 2015 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
-
Diagnosing LoTW
Logbook of The World accepts digitally signed log files called TQ8 files. The TQ8 files are created using TQSL software. The TQSL software uses. Learn More
-
ARRL Handbook Reference
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
