Stray Signals

Category: Feature

HDSDR VERSION 2.80 BETA RELEASED

HDSDR is a freeware Software Defined Radio (SDR) program for Microsoft Windows 2000/XP/Vista/7/8/8.1/10. Typical applications are Radio listening, Ham Radio, SWL, Radio Astronomy, NDB-hunting and Spectrum analysis. HDSDR (former WinradHD) is an advanced version of Winrad, written by Alberto di Bene (I2PHD). After a long hiatus, development of HDSDR got going again in early2017 with versions 2.70 and…

A New FT8 with Rag Chew Abilities ( FT8CALL )

FT8 has taken over the airwaves as the digital communication mode for making QSOs over HF/VHF/UHF. The mode has been widely popular as the latest offering in K1JT’s WSJT-X application. FT8 stands on the shoulders of JT65, JT9, and WSPR modes for weak signal communication, but transmits much faster with only slightly reduced sensitivity. While…

HAARP’s WSPR Research Campaign Yields Hundreds of Reports on 40 and 80 Meters

Just-completed research at the High-Frequency Active Auroral Research Program (HAARP) transmitters in Gakona, Alaska, successfully took advantage of the WSPR digital protocol and the Weak Signal Propagation Reporter Network (WSPRnet) on July 30 through August 1. University of Alaska Fairbanks (UAF) Space Physics Group researcher and HAARP Chief Scientist Chris Fallen, KL3WX, told ARRL that…

SmartSDR for iOS v2.6.2 Now Available

FlexRadio Systems announces the release of SmartSDR for iOS v2.6.2 is now available for download or update from the Apple App Store. This App requires a FlexRadio Systems FLEX-6000 Signature Series Software Defined Radio (SDR) Device. However, the App also contains a FlexRadio Simulator (Demo Mode) that provides an approximation of the App’s features so you…

Launch of Es’hail-2 with First Phase 4 Amateur Transponders Expected Later this Year

Es’hailSat, the Qatar Satellite Company, has tweeted that it’s anticipating that SpaceX will launch its geostationary Es’hail-2 satellite sometime in the 4th quarter of 2018. The commercial Qatari satellite will provide the first Amateur Radio geostationary communication and will be capable of linking amateurs from Brazil to Thailand. Es’hail-2 will carry two AMSAT-DL-designed Phase 4 Amateur Radio…

DECODING A MOON ORBITING SATELLITE 378500 KM’S AWAY

Thanks to IU2EFA (William) for writing in and letting us know about his success in decoding telemetry from the moon orbiting satellite known as DSLWP-B / LONGJIANG-2. LONJIANG-2 is a Chinese lunar microsatellite (45kg) that was launched in May 2018. It is designed to perform ultra long-wave radio astronomy observations. It also has an on board camera and…

Working QRP – LDG Z817 Tuner Review

The LDG Z-817 is an automatic tuner intended for use with the Yaesu FT-817(D) QRP transceiver. It interfaces with the transceiver through its CAT port, providing full control of the tuning cycle. An included CAT/Power cable interfaces with your FT-817(D. This makes it an integrated tuner powered by the interface; no extra power cables are…

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