TK9R Corsica Island. From DXNews.com
IK8UND will be active again from Corsica Island, IOTA EU – 014, in CQ WW DX SSB Contest, 26 – 27 October 2024 as TK9R.
LimeSDR Mini 2.0 – An open, full-duplex, USB stick software defined radio
LimeSDR Mini 2.0 is an upgraded, drop-in replacement for LimeSDR Mini, a hardware platform for developing and prototyping high-performance and logic-intensive digital and RF designs that use an FPGA coupled with Lime Microsystems’ LMS7002M RF transceiver. Goodbye, LimeSDR Mini Since we first introduced LimeSDR Mini nearly five years ago, we’ve... Read more
AMSAT Pioneer Ray Soifer, W2RS, SK
Satellite pioneer Raphael “Ray” Soifer, W2RS, of Green Valley, Arizona, died on March 1. An ARRL Life member, he was 79. Licensed in 1955, Soifer was among those involved in founding the AMSAT organization. A native of New York City, he studied engineering at the... Read more
ARRL Teachers Institute to Offer Four Sessions this Summer
ARRL will offer four sessions of the Teachers Institute on Wireless Technology in June and July as part of its educational outreach to schools through the Education & Technology Program. The Teachers Institute (TI) is an expenses-paid professional development program intended to provide teachers with... Read more
The CHA TD 2.0 is a broadband (HF) Antenna
The CHA TD 2.0 is a broadband High Frequency (HF) antenna specially designed for short to long range portable and man-pack HF communication, where portability and rapid deployment are essential. The TD 2.0 is 30% lighter and simpler to setup and takedown than the original Tactical Dipole and incorporates... Read more
Small Cheap Linear Loaded 80m Dipole
The legs of this dipole are only 12.4m long (about 40 feet). Antenna HF 8 band Fan dipole multiband antenna 160-6 meters with Balun June 09, 2015 No comments HF 8 band Fan dipole multiband antenna 160-6 meters with Balun Product Description The 5 element... Read more
The FTM-200D – Overview, Functionality, and Questions
FTM-200D This is the episode you have been waiting for as we go over the * NEW * FTM-200D. We will cover the outside of the radio, how to use the general functions, and answer a few common questions that have been asked of the... Read more
Three simultaneous transmissions from the Russian OTH
Three simultaneous transmissions from the Russian OTH (Over The Horizon; long range) Contayner radar in the 40 meter ham radio nothing. Required bandwidth = 12 kHz (which, depending on the splatter, can exceed 20 kHz). Rate of sweeps per second (sps, sweeps per second) =... Read more
Study: Rapid Development of Satellite Mega-Constellations Risks Tragedies of the Commons
A study reported in Nature, “Satellite mega-constellations create risks in Low Earth Orbit, the atmosphere and on Earth,” in Scientific Reports (May 2021) by Aaron C. Boley and Michael Byers, says the rapid development of mega-constellations risks multiple tragedies of the commons. That could include... Read more
Top Ways to Cut Costs in a Small Business
When you are running a small business, this automatically tends to mean that you do not have a huge amount of capital that you are able to spare. Therefore, it is highly important that you are able to do everything that you can in terms... Read more
Antenna Height – why it is important, what are the benefits
The height of a radio antenna or radio aerial can have a significant impact on its performance, especially at VHF and UHF. We often see many forms of radio antenna mounted on tall masts or towers or they may be mounted on the tops of... Read more
Cubical Quad Antenna, is this the best directional antenna?
In this video I build a 2m cubical quad antenna. I show the parts I designed an 3D printed for the build. Antenna Indoor Antennas That Work! – Ham Nation 460 July 02, 2020 No comments Read more Ham College 24 : Antennas and more... Read more
Use the Mast as the Antenna
Bill, AA6BD, wants to attach his antenna in a very common manner of attaching it to the back of a trailer and he wants to incorperate the mast. Watch to learn more. Antenna Super Versa Xseries Antenna [ Japan ] 11 and 8 elemets HF... Read more
Former ARRL Eastern Pennsylvania SM, Traffic Handler Joe Ames, W3JY, SK
Former ARRL Eastern Pennsylvania Section Manager Joseph A. “Joe” Ames, W3JY, of Paoli, Pennsylvania, died on March 5. An ARRL Life Member, he was 57. Ames served as EPA SM from 2014 until 2016. He was one of the founders of Radio Relay International, an... Read more
