-
Basic Amateur Radio - Simple Gain Antennas for the Beginner
(2.1 M). Basic design data for a 2-element hi-band Yagi antenna. (Gain figures are theoretical.) bandwidth. The highest Q would be ob- tained when using, say, ... Learn More
-
My quest for the ham radio equivalent of the “holy grail” – a truly ...
A series matched 40 meter antenna at either 80 or 35 feet meets the 2:1 SWR bandwidth objective, but the goal of SWR at or below. 1.5:1 across the whole band is ... Learn More
-
ISS Minimalist Antenna The purpose of this project was to develop ...
tending to use the 2-meter amateur radio band for telemetry downlinks. The signals from the. ISS are generally strong and easy to receive with simple radio ... Learn More
-
JK Antennas Donates New Multiband Yagi to W1HQ ARRL Club ...
May 14, 2018 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
-
US Amateur Radio Frequency Allocations
Novice/Technicians are limited to 200 watts PEP on HF bands. Geographical power restrictions apply to the 630 meter, 70 centimeter, 33 centimeter and 23 ... Learn More
-
ARRL Dualband Momobeam 6/10 Dualband Beam Antenna 10 ...
May 12, 2024 ... 10 Meter Moxon (28 MHz) and. 6 Meter Yagi (50 MHz). Produced ... Design Concept – Two Unique Design Features in One Antenna. One of ... Learn More
-
ISS Minimalist UHF Version Due to operational necessity, the crew ...
The operation on this frequency will probably be for a prolonged period, until such time as a replacement radio can be coordinated to be uplifted and installed ... Learn More
-
The Transatlantic on 2200 Meters
Figure 1—On December 12, the Marconi and Poldhu radio clubs commemorate. Marconi's first transatlantic experiment. In 2003 they sent an LF signal from. Learn More
-
AO-7 Still Going Strong after Almost 42 Years in Space
Oct 4, 2016 ... The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, ... Learn More
-
Build a Space Efficient Dipole Antenna for 40, 80 and 160 Meters
He retired as Associate Professor Emeritus from the. University of Akron. In retirement, Al is active in Amateur Radio and computer application studies in ... 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.