Category: Digital

via the ARRL: FT8 DXpedition Mode Field Test Attracts Upward of 500 Participants

It was the Fox and the Hounds on the bands March 6, as the WSJT-X development group conducted a field test of the still-beta FT8 DXpedition Mode. A second beta version of WSJT-X version 1.9.0, which includes the DXpedition-mode-capable version of FT8 — was released recently. Version 1.9.0-rc2 was made available to allow further field testing of the FT8 DXpedition […]

via the RSGB: DMR talkgroup for universities

Paul Thieme, President of the Purdue University Amateur Radio Club, W9YB in the United States wants to hear from UK university amateur radio clubs that have linked DMR repeaters.   Recently, his club has been working with Brandmeister worldwide officials to create a DMR talkgroup specifically for university amateur radio operators.   In the States […]

via the ARRL: Foxes and Hounds — FT8 DXpedition Mode is in the Works for WSJT-X

Speaking on behalf of the WSJT-X Development Team, Joe Taylor, K1JT, has issued a progress report on the team’s efforts to develop FT8 DXpedition Mode. The new digital mode will include new and innovative features, which are detailed in a draft FT8 DXpedition Mode User Guide, released on February 2. Taylor said the basic goal of FT8 DXpedition […]

via the ARRL: D-Star ONE Phoenix, First D-Star Communication Spacecraft, Launched

A Soyuz rocket launched D-Star ONE Phoenix and 10 other satellites into orbit on February 1 from Vostochny Cosmodrome in Russia. Developed by German Orbital Systems in Berlin in cooperation with the Czech company iSky Technology, D-Star ONE Phoenix carries an Amateur Radio relay payload (call sign DP1GOS). It replaces the D-Star ONE nanosatellite that failed to attain orbit following a […]

via the ARRL: Mode Usage Evaluation: 2017 was “the Year When Digital Modes Changed Forever”

Club Log author and UK radio amateur Michael Wells, G7VJR, has reported that data compiled from 8,000 Club Log users indicates the proportion of FT-8 usage relative to other modes has risen dramatically since FT8’s introduction last year. Every few years, Wells has posted charts depicting mode usage on the amateur bands, based on log […]

via the ARRL: Norway Completes Transition to Digital Audio Broadcasting

Norway has completed a nearly year-long transition to digital radio, becoming the first country in the world to shut down national broadcasts of its analog FM radio network and move to Digital Audio Broadcasting (DAB). The three state-run outlets — NRK P1-P3 — and commercial stations P4 and Radio Norge have ceased broadcasting in FM […]

via the ARRL: New Digital Modes Changing Complexion of Bands and Perhaps of Ham Radio

The wave of software-based digital modes over the past several years has altered the atmosphere of the HF bands. Some suggest the popularity of modes that make it possible to contact stations neither operator can even hear has resulted in fewer CW and SSB signals on bands like 6 meters and 160 meters. Traditional modes […]

Weird IP networks: Internet via birds and ham radios

If you’re reading this, you have internet access. You probably have it either through a local cable or fibre ISP or through your cell phone provider. We all have one (usually both) of these. Speedy. Reliable (mostly). Boring. What happens when that infrastructure goes down? Maybe the power goes out somewhere along the network. Maybe […]

via the ARRL: HamSCI Presents Initial Eclipse Results at ARRL-TAPR Digital Communications Conference

At the 36th annual ARRL and TAPR Digital Communications Conference (DCC), held September 15–17 this year in St. Louis, HamSCI members presented preliminary evidence that the August 21 solar eclipse had a significant effect on HF propagation. The DCC is geared toward technically minded Amateur Radio operators who specialize in building and designing hardware and […]

via the ARRL: Radio Arcala to Leverage FT8 Digital Mode in Market Reef Activation

Radio Arcala (OH8X), the consortium of serious Finnish contesters, has heaped more praise on Nobel Laureate and software developer Joe Taylor, K1JT, for the recent beta release of FT8 mode. OJ0BH/OJ0JR will be active August 12-19 from Market Reef and expects to make use of FT8 and other modes that are part of Taylor’s WSJT-X […]

FT8 Mode is Latest Bright Shiny Object in Amateur Radio Digital World

It’s still in beta testing, but FT8 — the latest digital bauble to capture the imagination of the Amateur Radio community — has been luring away many of those already using the popular JT65 “weak-signal” mode. FT8 is included in a beta release of WSJT-X, version 1.8.0-rc1. Among its biggest advantages is a shorter transmit-receive […]

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