PJ4R PJ4/KK9A Bonaire Island. From DXNews.com
John Bayne, KK9A will be active as PJ4/KK9A, from Bonaire Island, IOTA SA – 006, 23 – 30 March 2022. Read more
Mese: Marzo 2022
APX NEXT XN All-Band P25 Smart Radio
Outperform the unexpected APX NEXT XN brings unprecedented durability and mobilized intelligence to a firefighter’s lifeline so you can outperform whatever the day throws at you Product overview Routine can turn extreme without a moment’s notice. Everyday challenges can unexpectedly go from calm to chaos.... Read more
ICOM IC 7300 and 9700 hidden feature for contesting
Hidden feature of using your up down buttons to trigger TX memories. Antenna 3-Band 6m DX, 2m DX, 2m FM Yagi Antenna PA50-144HV-17-3-3CB May 31, 2021 No comments Three band antennas in one. PA50-144HV-17-3-3CB. – 6m Horizontal antenna – 2m Horizontal antenna – 2m Vertical... Read more
HamStart
Ham Start, starter kit. Stugy guides, resources, exams, upgrades and morse code. A guide for beginners and license upgraders, Resources for getting started and advancing in ham radio (USA) Read more
Bullitt Amateur Radio Society
A diverse club of amateur radio operators from around Kentucky’s Bullitt and Jefferson county areas. Read more
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
