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Dag: 29. september 2020

1. Oktober HF forhold

29. september 20206. april 2021 Ingolf Schau

Video om HF udbredelse og forhold

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ARRL US amateur radio bands
Download this color US ham radio band-plan in PDF format edited by ARRL
IARU HF band plan
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ARRL Exam Review for Ham Radio
Online browser-based resource for your computer, tablet or other mobile device. Use this review and practice exam resource with the current editions of ARRL License Manuals.

ARRL

Ron Block, NR2B, Wins the July 2022 QST Cover Plaque Award 11. august 2022
New ARRL Radio Lab Inspires Innovation in the Ham Shack 9. august 2022
ARRL has unveiled its new Radio Laboratory, W1HQ. In a new YouTube video, Jherica Goodgame, KI5HTA, a summer intern at ARRL Headquarters, tours viewers through the station."The ARRL Radio Lab is an innovative test space designed to reshape the way we imagine and build a ham radio shack," said Goodgame. The station is intended to […]
Sangamon Valley Radio Club to Sponsor Radio Orienteering Activities 8. august 2022
Amateur Radio Digital Communications (ARDC) has awarded a grant to the Sangamon Valley Radio Club (SVRC) in Springfield, Illinois for a new project to introduce youth, outdoor enthusiasts, and members of the public to amateur radio.The grant is for Radio Orienteering activities, also known as Amateur Radio Direction Finding (ARDF). SVRC will purchase transmitters, controllers, […]

DX-Maps

08-May 1830 144 MHz animated sporadic-E maps 2022 available 8. maj 2022
The 144 MHz sporadic-E animated maps fo 2022 are already available
12-Apr 1130 New version 3.1 (build 677) of VQLog 12. april 2022
New version 3.1 build 677 of VQLog is available
29-Nov 1130 New version 3.1 (build 664) of VQLog 12. april 2022
New version 3.1 build 664 of VQLog is available
06-Apr 1700 New version 2.13 of WSJT DX Aggregator 6. april 2022
New version 2.13 of the WSJT DX Aggregator is available
15-Aug 0630 New version 2.12 of WSJT DX Aggregator 6. april 2022
New version 2.12 of the WSJT DX Aggregator is available

RTL SDR news

SunFounder TS7-Pro Touch Screen Review: Building a Portable RTL-SDR Pi 4 System 10. august 2022
The SunFounder TS7-Pro 7-Inch Touch Display is a portable high resolution 1024x600 7-inch touch screen with space on the back for a Raspberry Pi 4 to be mounted. It is also possible to mount an optional 2.5" SSD and 'PiPower' battery mount. The price of the TS7-Pro is currently reduced to $79.99 on Amazon and […]
admin
SDR# Co-Channel Canceller and Micro Tuner Updates 9. august 2022
SDRSharp (SDR#) is one of the most popular SDR programs that is used often with Airspy and RTL-SDR devices. Recently Youssef, the developer of Airspy products and the programmer behind SDR# has again been adding new enhancements to the software that allow AM DX listeners to easily receive channels that are even on top of […]
admin
WiFi Grid RTL-SDR Radio Telescopes featured in SARA2022 Conference Talks 9. august 2022
Over on YouTube the Society of Amateur Radio Astronomers have recently uploaded talks from their SARA 2022 online conference. Two of the talks we've seen focus on describing results produced by small and cheap WiFi Grid RTL-SDR radio telescopes. Back in early 2020 we first published an article about how it is possible to use […]
admin
SI-SDR-UG Recorded Livestream: Corey Explains DF-Aggregator for KrakenSDR and KerberosSDR 4. august 2022
The South Indian SDR User Group (SI-SDR-UG) have recently held their fourth live stream conference. This conference included some interesting talks such as: "Introduction to GNU Radio Series, Part 2" by Neel Pandeya "Silice, a Language for Hardcoding Algorithms into FPGA Hardware" by Dr.Sylvain Lefebvre "RF Geo-Location for Everyone" by Corey Koval "Overview of Wireless […]
admin
A teardown of the early 2000’s Psion Wavefinder DAB SDR Receiver 27. juli 2022
The Psion Wavefinder was one of the first applications of SDR technology in consumer electronics. It was a Windows PC based USD DAB SDR radio receiver that released in the UK in October of the year 2000, for an initial price of £299. (In comparison RTL-SDR wasn't discovered until 2012). Digital Audio Broadcast (DAB) is […]
admin

AMSAT UK

Press coverage of eight-year-old’s ISS ham radio contact 11. august 2022
Kent’s Isle of Thanet News reports on the amateur radio contact between 8-year-old Isabella Payne and NASA astronaut Kjell Lindgren KO5MOS on the International Space Station. In the Isle of Thanet News, Kathy Bailes, writes: A Broadstairs eight-year-old has chatted … Continue reading →
m5aka
ISS astronaut’s favorite ham radio contact 3. august 2022
NASA astronaut Kjell Lindgren KO5MOS, who is on the International Space Station, describes his amateur radio contact with 8-year-old Isabella from Kent, UK, as his favorite so far. He tweeted: I’ve had a lot of fun using the #ARISS amateur … Continue reading →
m5aka
QSL cards and award for receiving SWSU satellites 2. august 2022
On July 21 ten amateur radio CubeSats built by students at the Southwestern State University were deployed from the ISS. QSL cards and a diploma are available for receiving the SSTV, APRS and Voice messages On his website Dmitry Pashkov … Continue reading →
m5aka
EU WRC23 agenda items consultation and RNSS/23cm band study 30. juli 2022
The Chair of IARU Region 1 Spectrum and Regulatory Liaison Committee, Barry Lewis G4SJH, reports on the response to the EU WRC-23 consultation and the CEPT RNSS/23cm band study. On the IARU-R1 site he writes: In a collaboration between the … Continue reading →
m5aka
Ten amateur radio CubeSats deployed from ISS 21. juli 2022
On July 21, 2022, during a spacewalk by Samantha Cristoforetti IZ0UDF and Oleg Artemyev, 10 amateur radio CubeSats were deployed from the International Space Station. On his website Dmitry Pashkov R4UAB reports: On July 21, 2022, during extravehicular activities (VKD-54), … Continue reading →
m5aka

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1. Oktober HF forhold
Foredrag om ”DX og de forskellige bånd”.Foredrag 13. august 2020
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