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Dag: 7. december 2019

Trailer mast

7. december 20197. december 2019 Ingolf Schau

Håndbog for trailermast tilføjet under “links”

Solar X-Rays Geomagnetic Field

QRZ Call Sign Query

DX Zone

ARRL US amateur radio bands
Download this color US ham radio band-plan in PDF format edited by ARRL
Belgian Ham Exam
Belgian question pool by on1dht
North Jersey hamfest
Starting the season with us. Large indoor area plus tailgating

ARRL

The Latest Episode of ARRL Audio News is Now Available 15. maj 2020
Listen to the new episode of ARRL Audio News on your iOS or Android podcast app, or online at http://www.blubrry.com/arrlaudionews/. Audio News is also retransmitted on a number of FM repeaters. Click here and then scroll down to see the list.
The K7RA Solar Update 15. maj 2020
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 period this averaged out to a sunspot number of 5, so average daily sunspot numbers declined from 5 to 0 this week.Average daily solar flux also declined, by […]
Planning Your ARRL Field Day 2020 Operation 14. maj 2020
For most of us, ARRL Field Day 2020 is going to look quite different than it did in past years. Considering the impact of social distancing due to the pandemic, many radio clubs and large groups will not gather in their usual Field Day locations this year. Whether you are a seasoned veteran or a […]

DXer Ham Radio News

ARRL DX Bulletin No. 0020 15. maj 2020
SB DX @ ARL $ARLD020 ARLD020 DX news ZCZC AE20 QST de W1AW DX Bulletin 20 ARLD020 From ARRL Headquarters Newington CT May 14, 2020 To all radio amateurs SB DX ARL ARLD020 ARLD020 DX news This week’s bulletin was made possible with information provided by The Daily DX, the OPDX Bulletin, 425 DX […]
Current Ham Radio News 15. maj 2020
Current ham radio news (Source: radio six international via Gérard Koopal) Shortwave broadcast on June 6th After an absence of five years, Scottish station radio six international returns to the HF bands to mark the outlet’s 57th anniversary. Saturday Sounds with Tony Currie will air from 22:00 to 24:00 UTC on 6,070kHz (49.39m) via […]
425 DX News No. 1515 15. maj 2020
16 May 2020 A.R.I. DX Bulletin No 1515 =========================== *** 4 2 5 D X N E W S *** **** DX INFORMATION **** =========================== Edited by I1JQJ & IK1ADH Direttore […]
425 DX News No. 1515 Calendar 15. maj 2020
16 May 2020 A.R.I. DX Bulletin No 1515 =========================== *** 4 2 5 D X N E W S *** ******* CALENDAR ******* =========================== Edited by I1JQJ & IK1ADH Direttore Responsabile […]
DXNL News No. 2197 14. maj 2020
DXNL 2197 – May 13, 2020 DX Newsletter a free and weekly service of DARC Committee “DX” (http://www.darcdxhf.de) Editor: Klaus Poels, DL7UXG (e-mail: dxmb@darcdxhf.de) translation by: Oliver Bock, DJ9AO 5Z, Kenya: Members of the Radio Society of Kenya (RSK) are joining the Covid-19 cautions with the callsign 5Z4STAYHOME. QSL via bureau. 9M2, West Malaysia: […]

DX-Maps

18-May 0630 Animated 144 MHz ES maps 18. maj 2020
144 MHz animated sporadic-E maps of 2020 available
04-Apr 1100 Corrected IC-9100 file for Omnirig 4. april 2020
Available a corrected IC-9100 description file for Omnirig, mapping digital modes to USB-D / LSB-D
17-Mar 0830 New version 3.1 (build 561) of VQLog 17. marts 2020
New version 3.1 build 561 of VQLog is available
04-Mar 1330 VE7BQH 144 and 432 MHz antenna charts updated 4. marts 2020
VE7BQH 144 and 432 MHz antenna comparison table updated
05-Dec 1830 VE7BQH 144 MHz antenna charts updated 5. december 2019
VE7BQH 144 MHz antenna comparison table updated

RTL SDR news

Decoding 5GHz NTSC Video from Drones with a HackRF, DragonOS and SigDigger 14. maj 2020
Over on his YouTube channel Aaron has uploaded a video showing how we can SigDigger to decode analog NTSC video from a drone camera which is transmitted at 5.7 GHz. SigDigger is a rapidly evolving SDR program for Linux and MacOS that has a lot of built in functionality for inspecting signals in more depth. […]
admin
Tutorial on Using xrit-rx to Receive Weather Images from Geostationary Satellite GK-2A 12. maj 2020
Over on his website VKSDR has recently released a tutorial about his Linux based xirt-rx software which allows RTL-SDR and other SDR owners receive weather images from the geostationary satellite known as GEO-KOMPSAT-2A (GK-2A). GK-2A is a Korean satellite, hence it is positioned over the Asia-Pacific region, covering Asia, Eastern Russia, Australia and New Zealand. […]
admin
ARM Radio Code Ported to Free Toolchain 12. maj 2020
Several years ago in 2015 we posted about the "ARM Radio" by Alberto I2PHD which is a minimalist SDR implementation based on the ARM processor on the STM32F429 discovery board. It was implemented with nothing more than a basic low pass front end, a reconstruction filter for the audio output and some DSP code. With it's […]
admin
GNU Radio TEMPEST Implementation Now Available 12. maj 2020
TEMPEST refers to a technique that is used to eavesdrop on electronic equipment via their unintentional radio emissions (as well as via sounds and vibrations). All electronics emit some sort of unintentional RF signals, and by capturing and processing those signals some data can be recovered. For example the unintentional signals from a computer screen […]
admin
Black Hat USA 2020 will be a Virtual Event 11. maj 2020
Black Hat is a yearly conference about information security related topics. Whilst not as common as in other RF focused conferences, there are often talks related to software defined radio and RF in general. For example, recently they have uploaded videos of talks from their 2018 event and one talk titled "Screaming Channels: When Electromagnetic […]
admin

AMSAT UK

Huskysat-1 Transponder is Open 10. maj 2020
After a week of testing, the transponder on HuskySat-1 is enabled and open for use and testing. It’s fairly sensitive, and 5-10 watts is plenty most of the time. There are some fades due to satellite orientation, and some passes … Continue reading →
m5aka
Filtered 2400 MHz Driver Amplifier Kits Now Available 10. maj 2020
This kit has been designed by David Bowman G0MRF and contains all the parts required to drive a PA on 2.4 GHz for QO-100. The completed board will have a gain of about 25 – 26 dB and for best … Continue reading →
m5aka
Online Amateur Radio Satellite talk on Zoom 5. maj 2020
On Wednesday, May 13, at 1830 GMT (7:30pm BST) Robin Moseley G1MHU will give a talk on Zoom titled “Introduction to amateur satellites, meteor scatter, EME and ISS”. The presentation is being organised by the Denby Dales Amateur Radio Society … Continue reading →
m5aka
Spring Issue of OSCAR News Available 4. maj 2020
E-members of AMSAT-UK can now download the March 2020 edition of OSCAR News, issue 229, here. The paper edition edition is being sent to postal members and should arrive in the coming week. In this issue: • From the Secretary’s … Continue reading →
m5aka
Online Space Workshop May 2-3 1. maj 2020
The Online Space Workshop #OSW2020 takes place this weekend May 2-3. You can watch live on YouTube at https://www.youtube.com/channel/UC4SHJxCLutZRWK9uQXFVXxQ The full schedule of presentations is on the AMSAT Nepal site. Note the times are given in Nepali Time which is … Continue reading →
m5aka

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