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August 12, 2022

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Antennas

Antenna for RadioSonde RX

April 3, 2020April 3, 2020 - by Joost

Last week I built my first prototype. Since last december I started tracking radiosondes in the 400 MHz band. I use the Diamond X50 antenna on the roof, connected to …

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Contest

UBA Spring contest 80M

March 22, 2020March 22, 2020 - by Joost

I had a qso yesterday with ON5RZ/P, not really portable but bicycle mobile. He mentioned the contest. After downloading SD and a crash course later I was ready. I participated …

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SDR

First test with RTL-SDR v3 stick

January 11, 2020January 11, 2020 - by Joost

Ordered this stick on december 28th ont he RTL-SDR website and it arrived yesterday. This is my 4th dongle 🙂

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Digital Mode

Conditions on VHF

December 30, 2019December 30, 2019 - by Joost

It started with this newsitem on Hamnieuws.nl (in Dutch) : https://hamnieuws.nl/afstandsrecord-op-432-mhz-alweer-verbroken/ Seems that there were conditions on VHF and UHF.

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SAQ Grimeton / VLF

SAQ reception Christmas 2019

December 24, 2019December 30, 2019 - by Joost

I was convinced that my ZS6BKW antenna connected to the soundcard input was good enough to receive SAQ on 17,2 kHz.

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Average Joe in biking, running, electronics, programming, ham radio ON3JT, IT, blogging and F1 lover

Joost ON3JT
luytenjJoost ON3JT@luytenj·
10 Jul

#eme tv? 🤣

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luytenjJoost ON3JT@luytenj·
21 Apr

ON4NOK-11 #HAB tracking via my station at home while at the qrl.

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Lastest posts

  • 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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