News
HS2 is an ultra-portable full-frequency full-mode SDR radio. Receive frequency coverage 300K~1.6GHZ. The built-in network port can realize remote operation and remote firmware upgrade. The HAM-BOX mobile app we developed allows the mobile p... Read more
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Software
WSJT-X 2.2.0-rc2 – Candidate release
Release: WSJT-X 2.2.0-rc2 May 25, 2020 ————————- WSJT-X 2.2.0-rc2 is a release candidate for WSJT-X 2.... Read more
New Raspberry Pi SD card image for RSPdx
SDRplay has released a new downloadable Raspberry Pi SD card image which adds support for the RSPdx and simultaneous use of both the tuners in the RSP... Read more
VHF
News from DARC — 50 MHz
The Federal Network Agency made a preliminary provisional implementation of the WRC-19 results for the 6‑m band in MItteilung 111 from Amtsblatt 08/20... Read more
Aeronautical Mobile. Contacts 100 Miles + on a 5 watt Handheld
“This weeks show is slightly different. What if we take the Anytone AT D878 UV plus and put it in almost ideal conditions. How far can a 5 watt... Read more
Review
ADALM PLUTO Frequency Expansion Modification Plus CPU Cores
“Here we take a look at the ADALM-PLUTO frequency expansion modification to give us 70 MHz through to 6GHz. Mine actually went as low as 46MHz!!... Read more
Propagation
The K7RA Solar Update
Still no sunspots to report. Spaceweather.com reported on May 20 that the current stretch of days with no sunspots has now reached 18. And with that t... Read more
The K7RA Solar Update
No sunspots appeared last week. The previous seven days had only one big sunspot group on one day, with a sunspot number of 35. Over the seven-day per... Read more
The Great Geomagnetic Storm of May 1921
99 years ago this week, people around the world woke up to some unusual headlines. “Telegraph Service Prostrated, Comet Not to Blame” — d... Read more
Digital Modes
New Summer EURAO Party to Premier FT4
The motto of the new European Radio Amateurs’ Organization (EURAO https://www.eurao.org/) Summer Party https://www.eurao.org/en/node/1045 is... Read more
