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1. Oktober HF forhold

29. september 20206. april 2021 Ingolf Schau

Video om HF udbredelse og forhold

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Solar X-Rays Geomagnetic Field

QRZ Call Sign Query

Lær CW Online på Dansk

DX Zone

K5SLD Arlington Amateur Radio Club
The Arlington Radio Club was organized in July 1955 by a group of 22 hams who saw a need for a local focus for their hobby.
VE3ORC Orilla Amateur Radio Club
YC5NBX Jaka
Simple Homebrew HAM blog from indonesia

ARRL

The K7RA Solar Update 30. september 2022
Sunspot activity rose this reporting week, September 22-28, withaverage daily sunspot numbers increasing from 68 to 105.1. But solarflux? Not so much. Average daily solar flux rose from 134.3 to138.4.So, the sunspot average rose 55% and solar flux only 3%. I usuallyexpect the numbers to track more closely.New sunspots appeared on September 22 and 23, […]
Online voting for ARRL Southeastern Division Election 29. september 2022
In the next couple of days, ARRL members in the Southeastern Division will receive an email message indicating that the online voting site for the 2022 ARRL Southeastern Division Election is now open. The message will include instructions to access candidate statements, the ballot, and to vote.A third party was selected by the ARRL Ethics […]
Amateur Radio Operators Continue Response to Ian 29. september 2022
As Hurricane Ian, now a tropical storm, makes its way across Florida, amateur radio operators continue to provide communications support for weather updates and requests for assistance.The hurricane made landfall at 3:00 PM Eastern Time on Wednesday, September 28, 2022, just south of Tampa, Florida, as a Category 4 hurricane with winds of 150 miles […]

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

Quick Demo of our KrakenSDR Network Mapping Direction Finding Software (Alpha) 30. september 2022
The KrakenSDR is our 5-channel coherent radio based on RTL-SDRs, and it can be used for applications like radio direction finding and passive radar. We successfully crowd funded the device on Crowd Supply back in November 2021. Over the past year we've been working on a networked mapping system for KrakenSDRs that will allow distributed units […]
admin
A WebUSB Based RTL-SDR Aircraft ADS-B Decoder 30. september 2022
Over on GitHub @devdevcharlie has uploaded open source Javascript code for creating an ADS-B Aircraft Radar system entirely within a web browser. The code makes use of the Web USB API, which enables USB devices like RTL-SDR dongles to connect directly to the code running in the web browser. In her blog post, Charlie explains […]
admin
A Broad Overview About HF on the RTL-SDR Blog V3 30. september 2022
Over on YouTube, Tom the Dilettante has uploaded a video demonstrating how to receive HF signals with an RTL-SDR Blog V3 running in direct sampling mode. This is something already known to most RTL-SDR fans, but on the RTL-SDR V3 we have built in a direct sampling circuit that enables reception below 24 MHz with […]
admin
Radio Jove Spectrograph Hardware and Software 30. september 2022
NASA's Radio Jove is a project that enables students and amateur scientists from around the world to observe and analyze the HF radio emissions from Jupiter, our Sun and our galaxy using easy to construct HF radio telescopes that receive spectrographs from 16-24 MHz. The project has existed for more than two decades, and these […]
admin
SDRSharp Big Guide Book Updated to V5.3 21. september 2022
Paolo Romani (IZ1MLL) has recently released version 5.3 of his SDRSharp PDF Guide. The book is available for download on the Airspy downloads page, just scroll down to the title "SDR# Big Book" and choose your language. As before the document is a detailed guide about how to use SDRSharp (SDR#), which is the software […]
admin

AMSAT UK

University students learn about Amateur Radio Satellites 28. september 2022
In India on 15 Sep 2022, on the occasion of National Engineering Day, an excellent Workshop titled “Fascinating World of Ham Radio & Amateur Radio Satellites” was conducted by AMSAT-INDIA’s Regional Coordinator Rajesh Vagadia VU2EXP at reputed Marwadi University Rajkot … Continue reading →
m5aka
23cm Band and RNSS Coexistence September Update 11. september 2022
As the WRC-23 approaches so the studies regarding AI9.1b (23cm and RNSS) are working towards conclusions. However the IARU is not content that all the operational aspects of the amateur service usage of the 1240-1300 MHz band are being properly … Continue reading →
m5aka
AMSAT-UK Colloquium 2022 5. september 2022
AMSAT-UK is very happy to announce the 2022 AMSAT-UK International Space Colloquium will be held as part of the RSGB Convention on October 8-9 at the Kents Hill Park Conference Centre, Timbold Drive, Milton Keynes, MK7 6BZ. Booking for the … Continue reading →
m5aka
AMSAT-EA satellites to launch 24. august 2022
Felix EA4GQS reports Spain’s latest amateur radio satellites to launch will be GENESIS-G and GENESIS-J on September 11 The AMSAT Bulletin Board post says: This is to confirm that the launch of our new GENESIS-G and GENESIS-J satellites with Firefly … Continue reading →
m5aka
BBC TV feature 8-year-old’s ISS amateur radio contact 16. august 2022
On Tuesday, August 16, BBC TV’s Josie Hannett interviewed 8-year-old Isabella Payne about her amateur radio contact with NASA astronaut Kjell Lindgren KO5MOS on the International Space Station. On August 2, Isabella, a member of Hilderstone Radio Society G0HRS, used … Continue reading →
m5aka

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