Category: Digital

via the ARRL: FT8 Activity Bumping Up at Some Expense to Other Modes

Despite largely dismal HF conditions, there is no doubt that the recent FT8 digital protocol has made hams more enthusiastic about getting on the air. The mode has caught on so quickly that co-developer Joe Taylor expressed surprise last fall at the rapid uptake of FT8 for making contacts on HF bands. Judging by Logbook […]

via the ARRL: Third Public Test of FT8 DXpediton Mode Deemed a Success

The third public test of FT8 DXpedition Mode on May 5 is being called a success. The goal of the exercise was to simulate a rare DXpedition pileup on FT8 by having many stations (“Hounds”) calling and trying to work a designated pseudo DXpedition station (“Fox”). “A number participants and would-be participants reported that propagation was spotty, […]

via the ARRL: Space Station Digital Amateur Television Signal Not Being Seen on the Ground

The signal from the digital amateur television (DATV) transmitter aboard the International Space Station (ISS) cannot be detected on the ground, Amateur Radio on the International Space Station (ARISS) has reported. The unit indicates that it is functioning, however. So far, ARISS has been at a loss to pin down the problem. “A series of […]

via the ARRL: Third Public Test of FT8 “DXpedition Mode” Set for May 5

A third public test of the nascent FT8 “DXpedition Mode” is set for Saturday, May 5, the WSJT Development Group has announced. A fourth “release candidate” now is available, and participants in the May 5 public test should install WSJT-X version 1.9.0-rc4, beforehand. “Once again, the goal is to simulate a rare-DXpedition pileup by having many stations (‘Hounds’) calling […]

via the ARRL: D-STAR ONE Phoenix Declared Lost, More D-STAR CubeSats Planned

German Orbital Systems (GOS) confirmed via Twitter on April 19 that its D-Star ONE Phoenix spacecraft, launched on February 1, has been lost. The tweet read, “[W]e’re sorry to announce that #DSTAR ONE Phoenix mission was lost. We are currently running the detailed examination regarding the causes of loss. Sorry for the long delay with an answer — […]

via the ARRL: Second Public Test of FT8 DXpedition Mode Demonstrates High Contact Rates Possible

The second public test of FT8 DXpedition Mode has shown that the mock DXpedition stations (“Foxes”) were able to work the pileups of callers (“Hounds”) at a fairly good clip. Logged data showed that 390 unique stations were copied by one or more of the three Foxes. FT8 is part of the WSJT-X digital software suite. Ned […]

via the ARRL: Second Test of FT8 DXpedition Mode Set for April 7

The second public test of FT8 DXpedition Mode will take place on April 7, and all radio amateurs are invited to participate. WSJT-X Developer Joe Taylor, K1JT, advises anyone planning to take part to download the latest “release candidate” (beta) version of WSJT-X — now called version 1.9.0-rc3 — and to read the latest revision of the FT8 DXpedition Mode […]

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 […]

This Week in Amateur Radio © 2017 Community Video Associates, Inc.