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13. november 20196. april 2021 Ingolf Schau

Se de opdaterede historiske sider om OZ9EDR vy 73 OZ7QC

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7. december 2019 Ingolf Schau

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Solar X-Rays Geomagnetic Field

Lær CW Online på Dansk

DX Zone

Amateur Radio Band Plan Layout
Free downloadable band plans layouts ready to print in pdf format by C.Gustave Sandberg W1CGS, band plans are updated to 2007.
DK8EY
Amateurfunk bei DK8EY, Chris aus Mettmann im Neandertal.
Brazil Grid Map
Ham Radio grid map of Brazil

ARRL

Museum Ships On-the-Air Weekend 2. juni 2023
If you like ships and are an amateur radio operator, 100 ships will be on the air from June 3 - 4 for the annual Museum Ships Weekend event.Organizers stress that this is not a contest, but a fun event that begins at 0000Z on June 3, 2023, and runs through 2359Z on June 4, […]
The K7RA Solar Update 2. juni 2023
Average daily solar flux values dropped over the past week, butsunspot numbers were nearly the same, comparing May 25 to 31 to theprevious week.Average daily solar flux declined from 161.2 to 155.3. Geomagneticindicators were quieter, with average daily planetary A indexdeclining from 17.1 to 7.3, and middle latitude numbers from 14.4 to7.9.Predicted solar flux is […]
ARRL Elected to Serve on SAFECOM 2. juni 2023
ARRL The National Association for Amateur Radio® has been elected to serve on SAFECOM®. SAFECOM is a group of national thought leaders and officials within the emergency communications and response space that works to set standards used at every level. The program is managed by the Cybersecurity and Infrastructure Security Agency (CISA), an agency of […]

DX-Maps

09-May 1530 144 MHz animated sporadic-E maps 2023 available 9. maj 2023
The 144 MHz sporadic-E animated maps fo 2023 are already available
09-Apr 1000 New version 3.1 (build 708) of VQLog 9. april 2023
New version 3.1 build 708 of VQLog is available
06-Feb 1200 VE7BQH 50, 144 and 432 MHz antenna charts updated 6. februar 2023
VE7BQH 50, 144 and 432 MHz antenna comparison table updated
01-Feb 1200 New version 3.1 (build 704) of VQLog 1. februar 2023
New version 3.1 build 704 of VQLog is available
13-Dec 1600 New version 3.1 (build 683) of VQLog 13. december 2022
New version 3.1 build 683 of VQLog is available

RTL SDR news

Passive Radar Sensing via Ambient Radio Noise from the Sun and Jupiter 31. maj 2023
Recently Dr. Sean Peters from the Naval Postgraduate School, in Monterey, CA presented an interesting webinar titled "Leveraging Ambient Radio Noise for Passive Radar Sensing of the Terrestrial and Space Environment". In passive radar, the radio source is typically an existing powerful terrestrial broadcast station, such as FM, DAB, TV or cellular. However, Dr. Peters […]
admin
A Video Demonstration on Cracking a GSM Capture File 31. maj 2023
Over on YouTube Rob VK8FOES has been uploading some fairly comprehensive demonstrations and tutorials showing how to crack a GSM capture file which can be recorded with any SDR. It's well known now that GSM aka 2G communications are insecure, with the encryption having been breakable on a standard PC for a long time now. […]
admin
Video Demonstrating Hydrogen Line Detection with an RTL-SDR and WiFi Dish 23. maj 2023
Back in January 2020 we posted a tutorial showing how it's possible to detect and measure the galactic Hydrogen line using a simple 2.4 GHz WiFi dish, RTL-SDR Blog V3 and a filtered LNA. Since then many people have used the same setup with great results. Over on YouTube user stoppi who is one such […]
admin
TechMinds: Receiving and Decoding Packets from the GreenCube Cubesat Digipeater 23. maj 2023
GreenCube is a CubeSat by the Sapienza University of Rome, and it is designed to demonstrate an autonomous biological laboratory for cultivating plants onboard a CubeSat. While this is an interesting mission in itself, for amateur radio operators there is another interesting facet to the satellite. Unlike most CubeSats which are launched in Low Earth […]
admin
Building an OpenWebRX Server with an RTL-SDR Blog V3 for HF Monitoring 23. maj 2023
Thank you to Ramadhan (YD1RUH) who has put together a brief set of commands showing how to quickly get setup with OpenWebRX and an RTL-SDR Blog V3. OpenWebRX is a web based SDR program that allows users to use their SDR over a network or internet connector. It is compatible with several SDRs including the […]
admin

AMSAT UK

Summer 2023 OSCAR News now available 1. juni 2023
E-members of AMSAT-UK can now download the Summer 2023 edition of OSCAR News, issue 241, here. The paper edition edition will be sent to postal members and should arrive in the next 2-3 weeks. In this issue: • From the … Continue reading →
m5aka
DX Adventure Team will activate 4U100QO on QO-100 from the United Nations – Vienna International Center. 16. maj 2023
DX-Adventure is proud to announce a partnership with the United Nations Amateur Radio Contest DX Club (ARCDXC). During 18 | 19 | May 20th we have the scoop to make the very first QO-100 connections from the United Nations – … Continue reading →
2m0sql
WRC23: 23cm (1240-1300 MHz) Amateur/RNSS Coexistence 23. april 2023
ITU-R WRC-23 Agenda Item 9.1b: Measures to be applied in the frequency band 1240-1300 MHz to ensure the protection of the radionavigation-satellite service (RNSS) in accordance with Resolution-774. This presentation on 23cm Amateur/RNSS Coexistence was given by the IARU Region … Continue reading →
m5aka
Austria restricts 23cm band operation 19. marts 2023
Austria has become the latest country to impose restrictions on Amateur Radio operation in the 23 cm band (1240-1300 MHz) to protect to protect ground-based receivers for the Galileo RNSS satellite constellation. Austria’s national amateur radio society ÖVSV say: Changes … Continue reading →
m5aka
AMSAT-India at National Science Day event 10. marts 2023
To celebrate National Science Day of India on February 28 one of the biggest Science Carnival 2023 was organised by Gujarat state – India at prestigious Science City Ahmedabad during 28th February to 4th March 2023. AMSAT-INDIA was specially invited … Continue reading →
m5aka

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Foredrag om ”DX og de forskellige bånd”.Foredrag 13. august 2020
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