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July 13, 2025

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Digital Mode / Projects

Avoid uncontrolled transmissions with this simple modification on your radio interface

February 5, 2009April 6, 2016 - by Joost

Ham radio operators interested digital modes will often use these computer interfaces to automate CW contacts (send morse code from the PC), use the PC soundcard for RTTY and control …

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Other

My blog has been visited 10,000 times

February 4, 2009April 6, 2016 - by Joost

I just noticed in Google Analytics that I passed the 10,000 visitors benchmark. My blog started in March 2008 and I installed Analytics around March 22. So from March 22 …

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Digital Mode / WSPR

20m band report in WSPR

January 22, 2009April 6, 2016 - by Joost

A friend of me asked if I could detect some WSPR signals on 20m. He has been monitoring it a while without any activity. I also read the comments of …

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PHP / Programming

Show the data from the DXrobot the way you like

January 11, 2009April 6, 2016 - by Joost

On several sites you’ll find some html code showing the Aurora status, European and North American Eskip status. These images are created by the DX robot, maintained and ran by …

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Ham Radio

WebSDR from Twente University temporarily with six bands

December 28, 2008April 6, 2016 - by Joost

I noticed today that the Software Defined Radio from Twente University now has six bands to play with :  0-150 kHz, 1790-1930 kHz, 3500-3760 kHz, 6990-7135 kHz,  10030-10175 khz, 14000-14290 …

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  • The last High Altitude Balloon this year. December 31, 2021
  • ISS SSTV Transmissions December 2021 December 31, 2021
  • Synology Drive Client sync problem November 15, 2020
  • Still alive October 31, 2020
  • Reception test with radiosonde antenna April 13, 2020

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