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

Solar X-Rays Geomagnetic Field

n3kl n3kl

Lær CW Online på Dansk

RSS DX Zone

  • ARRL US amateur radio bands
    Download this color US ham radio band-plan in PDF format edited by ARRL
  • Amateur Radio Emergency Service
    "ARES trains and organizes Hams to provide emergency communications to ""Served Agencies"" such as FEMA, National Weather Service, Red Cross, Salvation Army, Hospitals, and others. This site describes ARES goals and methods and structure."
  • Araucaria DX Group
    DX group and contests sponsor in spanish

RSS ARRL

  • The K7RA Solar Update 2. december 2022
    No new sunspots appeared over the past reporting week, November 24 to 30.  But sunspots were visible every day.  Then on December 1 three new sunspot groups emerged.  The sunspot number rose from 12 to 49 and the total sunspot area went from 10 to 330.Sunspot numbers and solar flux declined during this reporting week […]
  • Radio Amateur Dr. Kristina Collins, KD8OXT, Earned PhD in Electrical Engineering 2. december 2022
    Dr. Kristina Collins, KD8OXT, earned her PhD in Electrical Engineering from Case Western Reserve University on November 18, 2022. Dr. Collins' thesis, Development of a Low-Cost Meta-Instrument for Distributed Observations of Ionospheric Variability, focuses on the development of the HamSCI Grape Personal Space Weather Station Network. Ham Radio Science Citizen Investigation (HamSCI) serves as a...
  • Amateur Radio Club Provides Communications Support for Thanksgiving Day Race 2. december 2022
    The BEARS of Manchester Amateur Radio Club in Manchester, Connecticut, spent Thanksgiving Day providing amateur radio communications support for the 86th Manchester Road Race.The race, a 4.748-mile course that begins and ends on Main Street in downtown Manchester, has been a Thanksgiving Day tradition since 1927. This is the 30th consecutive year the BEARS of […]

RSS DX-Maps

  • 04-Dec 1130 144 MHz EME calendar 2023 4. december 2022
    The 144 MHz EME calendar for 2023 is available
  • 02-Dec 1130 144 MHz EME calendar 2022 4. december 2022
    The 144 MHz EME calendar for 2022 is available
  • 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

RSS RTL SDR news

  • SDR Special Tool Kit: A Ruggedized Enclosure for two RTL-SDR V3 Dongles 1. december 2022
    Terminal Armament, one of our resellers of RTL-SDR V3 dongles in the USA has created a companion product called the SDR Special Tool Kit (SDR-STK) which is a tactical ruggedized enclosure for two RTL-SDR V3 dongles. The SDR-STK consists of a two port USB hub enclosed in a water-resistant housing, and a rugged screw on […]
    admin
  • A Software Based VGA AGC Implementation for the RTL-SDR 1. december 2022
    Thank you to Chris G for writing in and sharing with us his software VGA ADC controller for the RTL-SDR. AGC or 'automatic gain control' is an algorithm that attempts to automatically adjust the gain on the RTL-SDR in order to maximize the signal to noise ratio. The built in hardware AGC's on the RTL-SDR […]
    admin
  • RTL-SDR Blog L-Band Patch, Bullseye, YouLoop Sale 25. november 2022
    This Black Friday we are offering a discount on our L-Band Patch, Bullseye and YouLoop antennas in our store and marketplace listings! The sale will run until the end of November. Our L-Band patch is an active design for receiving L-band satellites such as Inmarsat, Iridium, GPS and other satellites that transmit between 1525 - […]
    admin
  • SDRplay RSPdx Black Friday and Holiday Season Sale Now Active 24. november 2022
    SDRplay have today announced a sale on their "RSPdx" product which runs from today until December 31st. The new pricing is  £130/€156/$169.95 plus shipping and any applicable taxes. This pricing is available for direct sales from SDRplay, and at any participating resellers. The pricing on SDRplay's direct sales platform before the sale was US$214 plus […]
    admin
  • Airspy and YouLoop Black Friday Sale Now Active: 20% OFF 22. november 2022
    Airspy is holding their annual Black Friday sale, this year offering 20% off their range of products. The sale is active at all participating resellers, which includes our own store where we have the YouLoop on sale for US$31.96 including free shipping to most countries in the world, instead of the usual US$39.95. Please note that due […]
    admin

RSS AMSAT UK

  • ARISS contact with students in Malta 1. december 2022
    An ARISS contact between students at Stella Maris College, Gzira, Malta, callsign 9H1MRL and the International Space Station (ISS) is scheduled for Saturday 10th December at 0755 UTC. The ISS crew member will be astronaut Koichi Wakata KI5TMN who will … Continue reading →
    m5aka
  • FUNcube-1 (AO73) Now celebrating nine years in orbit! 22. november 2022
    Another year has passed and FUNcube 1 has continued to operate from its orbit around 600km above the earth. To start with some statistics. The spacecraft creates and downlinks data in frames that run for two minute periods. It has … Continue reading →
    m5aka
  • Making QO-100 contacts from North America – A new challenge 1. november 2022
    It is understandable that amateur radio operators in North America are disappointed that they cannot experience the fun of using QO100. However, although the footprint charts that have been published show that it is not possible, there have been good … Continue reading →
    m5aka
  • AMSAT-UK Colloquium: Talks now on YouTube 27. oktober 2022
    Videos of the talks given at the 2022 AMSAT-UK International Space Colloquium are now available on YouTube. Playlist is at https://youtube.com/watch?v=svaElf4UUkc&list=PLTDI7lbh1cWo-8sCd4AptcdzumTRtsstF
    m5aka
  • Antarctica ISS school contact 5. oktober 2022
    On Friday, October 7, 2022, from 15:14 GMT there will be a amateur radio contact from Antarctica with the International Space Station (ISS). Students from the #38 Raul Alfonsin school at the Esperanza Antarctic base will ask questions that will … 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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