Using Yaesu FT-991A for Shortwave Listening - QRZ Forums
2018年8月21日 · Tuning around the bands and listening to shortwave stations with a Yaesu FT-991A ("shack-in-a-box") located in Northern California USA. The antenna is an Alpha-Delta DX-EE parallel dipole at 21 feet. KM6NTW , Aug 21, 2018
Introduction to Olivia Digital Chat Mode - Raleigh Amateur Radio ...
2023年12月18日 · The first on-the-air tests were performed by two radio amateurs, Fred OH/DK4ZC and Les VK2DSG, on the Europe-Australia propagation path in the 20-meter shortwave radio amateur band. The tests proved that the Olivia protocol (or, digital mode) works well and can allow regular intercontinental radio contacts with as little as one-watt RF power ...
shortwave - QRZ Forums
2020年10月9日 · In what seems to be a small revival in shortwave broadcasting, three USA radio amateurs with careers in SWBC & telecom have posed serious concerns... Thread by: W0PV , Jul 9, 2020 , 120 replies, in forum: Amateur Radio News
DLARC Radio Library Surpasses 75,000 Items of Ham Radio, …
2023年5月8日 · Internet Archive’s Digital Library of Amateur Radio & Communicationscontinues to expand its collection of online resources about ham radio, shortwave, amateur television, and related communications. The library has grown to more than 75,000 items, with new resources including newsletters, podcasts, and conference presentations.
New to Shortwave (HF)? Daunted By Antenna Choices?
2020年11月9日 · Are you new to operating on the shortwave frequencies (or, high-frequencies--HF; 3 MHz to 30 MHz; 80m, 75m, 60m, 40m, 30m, 20m, 17m, 15m, 12m, 10m)? Is the prospect of figuring out a good HF antenna a bit daunting? Here’s a question that might be relevant: Does an amateur radio operator need to design a perfect antenna, in order to get on HF?
Shortwave Listening Thomas Witherspoon K4SWL | QRZ Forums
2020年4月12日 · In this episode, Martin M1MRB is joined by Chris Howard M0TCH, Martin Rothwell M0SGL, Ed Durrant DD5LP, Frank Howell K4FMH and Bill Barns N3JIX to discuss the latest Amateur / Ham Radio news. Colin M6BOY rounds up the news in brief and this episode’s feature is - Passion of Shortwave Listening with Thomas Witherspoon K4SWL.
Ham Radio - Do antenna tuners help with shortwave listening?
2021年12月20日 · I have used a low power (cheap) antenna tuner to dramatically reduce the amount of images that are heard on 1960s portable solid state multi-band shortwave receivers, whose front end design often fails to reject intermod and other signals that are far from the frequency being monitored.
Demonstration: Using FLDigi to Communicate with Olivia Digital …
2018年1月3日 · (The meaning of QSO on Wikipedia: An amateur radio contact, more commonly referred to as simply a "contact", is an exchange of information between two amateur radio stations.) While making quick work of getting DX stations into your logbook by exchanging callsigns, a signal report, and a grid square, the JT/FT modes (JT stands for Joe Taylor ...
Livestream: Olivia Digital Mode on HF | QRZ Forums
2024年9月9日 · The MFSK digital mode is designed for high-frequency (shortwave) communications, especially over the polar regions. See https://OliviaDigitalMode.org for full details. In this livestream, we have a few live two-way keyboard-to-keyboard chat via the 20-Meter amateur radio band.
Radio amateur prepping in Taiwan - QRZ Forums
2022年10月27日 · If cell towers are down and internet cables have been cut, the ability of shortwave radio frequencies to transmit long-distance messages could become crucial for civilians and officials alike. The recreational use of wireless radios, which transmit and receive messages via electromagnetic signals, became popular in the early 20th century ...