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. #1. AA5CT likes this.
shortwave - QRZ Forums
2020年10月9日 · MON 11 DEC - 96th Anniv. Of 1st Transatlantic Shortwave Transmission. Monday, December 11, 2017 will mark the 96th anniversary of the first message to ever be sent across the Atlantic ocean using shortwave... Thread by: N1BCG , Dec 5, 2017 , 3 replies, in forum: Contests, DXpeditions, QSO Parties, Special Events. Thread.
Introduction to Olivia Digital Chat Mode - Raleigh Amateur Radio ...
2023年12月18日 · Olivia, a Multi-Frequency Shift Keying (MFSK) radioteletype digital mode, is an amateur radioteletype protocol designed to work in difficult (low signal-to-noise ratio plus multipath) propagation conditions on shortwave radio (i.e., high-frequency, or HF) bands. The typical Olivia signal is decoded when the amplitude of the noise is over ten ...
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?
Ham Radio - Do antenna tuners help with shortwave listening?
2021年12月20日 · Yes. 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. WA3VJB, Dec 20, 2021. #12.
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.
Demonstration: Using FLDigi to Communicate with Olivia Digital …
2018年1月3日 · FLDigi is a software control and modem suite that interfaces with your transceiver, your computer sound card, and other input/output interfaces so that you can receive and transmit one of many digital modes. For example, FLDigi allows you to operate using the Olivia digital mode. . Unlike the JT/FT digital modes--modes that do an incredible job ...
DLARC Radio Library Surpasses 75,000 Items of Ham Radio, …
2023年5月7日 · Internet Archive’s Digital Library of Amateur Radio & Communications continues 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.
Proposed Shortwave Broadcast Station Prompts Objection
2020年7月9日 · 73, John, WØPV. Proposed Shortwave Station in Illinois Prompts an Objection. Several members of the SW / radio amateur community expressed concern about other possible data uses. BY PAUL MCLANE PUBLISHED in Radio World: JULY 8, 2020. Elevation for proposed shortwave towers; see detailed original in the Parable filing.
Reviewing the Elad FDM S2 Software Defined Radio - QRZ Forums
2017年8月12日 · In my opinion when comparing with other, much more expensive SDR radios it tops the Charts. I personally own an operate the ELAD FDM-DUO SDR. The receiver is also QRP, but it is a stand alone system that also allows for 8 additional slices or receivers. The Software is very user friendly, the pan adapter is lovely to use.