Tag Archives: Harald Kuhl (DL1ABJ)

World Radio Music broadcasting 24/7 on the 19 meter band

Many thanks to SWLing Post contributor, Harald Kuhl, who shares the following from Stig Hartvig Nielsen with World Music Radio.

I’m testing a new audio feed for the 15805 kHz transmitter. Hopefully more stable than the previous one, which sometimes would run 24 hrs without a single drop out – at other times produce drop outs almost continuously.

My plan is to keep 15805 kHz (200 W) on the air 24/7 for the next week or two. Should give DXers around the world a chance to catch 15805 when conditions on 15 MHz in some rare cases might improve. Currently propagation on 15 MHz is usually poor with a few fair days, but right now at this time of the years I suppose chances are the best.

WMR on 15805 kHz (200 W) – transmitter site: Randers
WMR on 5840 kHz (100 W) – transmitter site: Bramming
F.pl.: Power increase to 500 W on 5840 kHz. And new transmitter on 927 kHz
(500 W) in Hvidovre

Best 73s
Stig Hartvig Nielsen
www.wmr.radio
Keeping Short Wave Radio Alive!

Thank you for the tip, Harald!

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WRTH A20 Bargraph Frequency Guide available for purchase and download

Many thanks to SWLing Post contributor, Harald Kuhl, who writes:

The A20 WRTH Bargraph Frequency Guide is available now.

http://www.wrth.com/_shop/?product=wrth-a20-bargraph-download

I think it’s very helpful for the shortwave listener.

Kind regards, stay safe and have a nice weekend.

Many thanks, Harald, I agree: the WRTH Bargraph is an excellent, intuitive reference for checking broadcast schedules.

Click here to purchase (£9.99) and download the WRTH A20 Bargraph PDFs. 

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Ham Radio Friedrichshafen 2020 has been cancelled

Many thanks to SWLing Post contributor, Harald Kuhl, who shares the following announcement from Ham Radio Friedrichshafen:

Radio silence due to coronavirus COVID-19: Ham Radio not taking place as planned
15.04.2020

Friedrichshafen – Due to current developments in regard to the spread of coronavirus COVID-19, Messe Friedrichshafen has been forced to make a very difficult decision: the international amateur radio exhibition Ham Radio will not be taking place in the planned period of June 26 to 28, 2020, but instead from June 25 to 27, 2021. The Federal Government and the Minister-Presidents of the Länder decided yesterday, April 15 that no major events shall take place until August 31, 2020.

“Due to current developments relating to the coronavirus, we have the unfortunate duty of announcing that we cannot hold the 45th edition of Ham Radio as planned,” explains Klaus Wellmann, Managing Director of Messe Friedrichshafen. In recent weeks, it was already necessary to make the same decision in regard to other events (Aqua-Fisch, IBO, AERO, Tuning World Bodensee, and Motorworld Classics Bodensee). Project Manager Petra Rathgeber also expressed her sadness about this turn of events: “We very much regret that this event cannot take place as planned. However, the health of all exhibitors and visitors is of utmost importance to us. Unfortunately, our trade fair calendar and the dates of other industry events leave no room for postponing this fair to another date this year.” Christian Entsfellner, Chair of the German Amateur Radio Club (DARC), adds: “Our members, domestic and foreign guests, and we ourselves have been hit hard by this decision, which now became necessary to make on short notice. Until we get together again in Friedrichshafen, we as amateur radio operators are looking forward to keeping in contact with one another using amateur radio.” However, radio amateurs do not have to do without everything the Ham Radio fair normally has to offer: On the Ham Radio website, exhibitors will be presenting product innovations in the form of a virtual trade fair. DARC will also be offering presentations there.

The exhibitors, visitors, and partners involved are currently being informed about this opportunity.

Thank you for sharing this, Harald! Not a surprising development, but sad nonetheless. I assume Covid-19 might also lead to the closure of Ham Fair 2020 in Tokyo.

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LRA36: A new email address for reception reports

Source: Base Esperanza – Antártida

Many thanks to SWLing Post contributor, Harald Kuhl, who notes that LRA36 (Radio Nacional Arcángel San Gabriel) has published the following new email address to be used for reception reports: tranalra36@radionacional.gov.ar

Thanks for sharing this Harald as I have not had luck with the former email address. I’ll re-submit my last report!

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Shortwave version of the Southgate ARC News

Many thanks to SWLing Post contributor, Harald (DL1AX), who shares the following message from the Southgate ARC:

Southgate News is now on ShortWaveRadio

We now have a regular Sunday morning news broadcast on ShortWaveRadio.de
So tune in every Sunday at 10am UTC on 3975 and 6160 kHz.
The programme is repeated at 14:00 UTC on 6160 kHz and 16:00 UTC on 3975 kHz

Thanks Harald! Southgate is a wonderful source of radio news. I look forward to checking out their shortwave broadcast!

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Special event stations celebrating anniversaries of famous European pirate stations

Many thanks to SWLing Post contributor, Harald Kuhl (DL1AX), who writes:

At the beginning of August there will be two special event amateur radio stations active on shortwave, celebrating anniversaries of famous European pirate stations Radio North Sea International and Radio Caroline:

Radio Northsea International PA45RNI

from 01-08-2019 to 31-08-2019

http://www.radio-northsea.org

email: pa45rni@radio-northsea.org

[source: https://www.qrz.com/db/pa45rni]

and

GB55RC will be active from the Ross Revenge:

Celebrating fifty five years of Radio Caroline

Thursday 1st – Monday 5th August 2019

2019 is the fifty fifth anniversary of Radio Caroline and the Martello Tower Group are pleased to be able to activate the world famous MV Ross Revenge again in August. This year we have been granted the ‘special’ special callsign of GB55RC. […]

[source: https://www.qrz.com/db/gb55rc]

Special QSLs will be available.

[The QSLs above are] from previous GB5RC activities.

Thank you for the tip, Harald! I’d love to grab one of those QSLs!

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LZ1AQ Evaluates Impact of the Height Above the Ground on Mag Loop Performance

Source: LZ1AQ

Many thanks to SWLing Post contributor, Harald Kuhl (DL1AX), who shares the following article on LZ1AQ’s website:

Published on: 2018/11/20, Rev. 1.0 July 2018, Rev. 1.1 Nov 2018

Author: Chavdar Levkov LZ1AQ

Setup

Two identical small loops were placed one above the other according to Fig.1. One of the loops is very low – almost on the ground. The other one is placed at height which usually is used by the loop users. Two AAA-1C wideband active antenna amplifiers were used. Their gain difference was not more than 0.3 dB. The feeder was FTP cable each 20 m long. No cable baluns were used. The outputs were connected through two way antenna switch to a SD RX (Perseus). I used a measurement technique described in – A Periodic Switching Technique to Compare Receiving Antenna Performance in the Presence of Strong Fading. This is a precise method to compare two receiving antennas with real sky wave signals and the resolution can be less than a decibel. The idea is to switch periodically between two antennas and to estimate their difference on a calibrated graphic strength meter of a SD radio.[…]

Click here to read the full article.

I’ve often assumed height had little effect on the performance of an HF loop antenna–this evaluation seems to support that theory. Thanks for sharing this, Harald!

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