Category: Digital

via the ARRL: May 14 FT4 Mock Contest Session Canceled, New WSJT-X Beta Version Pending

A second hour-long FT4 “practice contest” set for May 14 UTC has been cancelled, following the success of an initial mock contest held on May 9 UTC (the evening of Wednesday, May 8, in continental US time zones). The event followed ARRL RTTY Roundup rules, with everyone working everyone. WSJT-X program suite developer Joe Taylor, K1JT, was among those […]

Fldigi is the perfect digital mode tool for all radio amateurs

Are you into creating Amateur Radio Digital Modes via your personal computer (PC)? Then you’re in the right place. We recently came across a tool known as Fldigi (Fast Light Digital Modem Application) and while we’re no expert, we still came away with a lot to say. OK, so here’s the thing about Fldigi you need to know. It […]

via the ARRL: Faster, More Contest-Friendly FT4 Digital Protocol to Debut in a Week

A new, speedier, more contest-friendly digital mode is just days away in beta version. WSJT-X Developers say serious work on the new FT4 protocol began shortly after the FT8 Roundup held last December 1 – 2. The goal was a mode that could compete with RTTY contesting in terms of contact rates, while preserving many of the […]

via HACKADAY: Bidirectional IP with New Packet Radio

There are a few options if you want to network computers on amateur radio. There are WiFi hacks of sort, and of course there’s always packet radio. New Packet Radio, a project from [f4hdk] that’s now on hackaday.io, is unlike anything we’ve seen before. It’s a modem that’s ready to go, uses standard 433 ISM band […]

via the ARRL: New D-Star ONE Nanosatellites Launched; Es’hail Testing Under Way

A December 27 Soyuz launch deployed the two German Orbital Systems D-Star ONE satellites D-Star ONE – Sparrow and D-Star ONE – iSat. Beacons have been successfully received from both satellites, which carry a D-Star repeater with an uplink at 437.325 MHz and downlink at 435.525 MHz. The D-Star ONE – Phoenix 3U CubeSat, launched last February, was […]

WSJT-X 2.0 Full Release Now Available; FT8 Enthusiasts Urged to Upgrade Now

The WSJT-X 2.0 software suite has been released, and developer Joe Taylor, K1JT, is urging FT8 and MSK144 users to upgrade to what will become the new standard, because the FT8 and MSK144 protocols have been enhanced in a way that is not backward compatible with older versions of the program. That includes any version 1.9 releases. “The new […]

via the ARRL: New Beta Version of WSJT-X is Now Available, Mock FT8 Contest Set

A new WSJT-X “release candidate,” version 2.0.0-rc4, now is available, and the version 2.0 Quick Start Guide has been revised and extended. The developers urge anyone upgrading to the new version to read the release notes thoroughly, since the upgrade requires users to change operator settings, so the software may not work “out of the box” when upgrading from […]

via the ARRL: FT8 to be Permitted in 2019 ARRL RTTY Roundup

The ARRL Contest Branch has announced that participants in the 2019 ARRL RTTY Roundup will be permitted to use the new FT8 protocol, which is part of the WSJT-X software suite. The RTTY Roundup takes place January 5 – 6, 2019. A “Practice Contest” has been set for Wednesday, October 24, in North American time zones. Details are below. […]

via the ARRL: Correction: Practice Contest for ARRL RTTY Roundup Participants Planning to Use FT8

A 1-hour “practice contest” will be held next week on Thursday, October 25, 0200 – 0300 UTC (Wednesday, October 24, in North American time zones). Use dial frequency 7.078 kHz, moving up in 2 kHz increments if interference is too great. The date was incorrect in this week’s edition of The ARRL Letter. To participate you […]

via the ARRL: FCC Grants ARRL Temporary Waiver Request to Permit PACTOR 4 Use in Hurricane Relief

The FCC has granted an ARRL request for a temporary waiver of Section 97.307(f) of the FCC’s Amateur Service rules to permit the use of PACTOR 4 digital mode for Amateur Radio communication within the continental US related to Hurricane Florence relief. The grant extends through Tuesday, September 18, and a formal order addressing the […]