Skip to content
March 21, 2023

ON3JT

JO21fe61bc

  • Home
  • About ON3JT
  • Shack
  • Projects
    • APRS Tracker
  • Online logbook
  • Archive
Main Menu
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 …

Read More
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 …

Read More
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 🙂

Read More
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.

Read More
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.

Read More

Posts navigation

Previous 1 2 3 … 15 Next
Google Ads




My Twitter feed

Joost ON3JTFollow

Average Joe in biking, running, electronics, programming, ham radio ON3JT, IT, blogging and F1 lover https://t.co/pFOt8883nV

Joost ON3JT
Retweet on TwitterJoost ON3JT Retweeted
KarelCornelisKarel Cornelis ON7TA 📡@KarelCornelis·
6 Mar

5P5FI Team will be active from Fanø Bad on the Fanø Island, IOTA EU – 125, OZFF-0004 Loc JO45EK Denmark, 22 April – 28 April 2023.
Team – Members are from different clubs ON6EF, ON6VJ, ON1BN, ON7VM, ON4AWT, ON9DJ, ON7TA #HamRadio #IOTA

Reply on Twitter 1632751451184177159Retweet on Twitter 16327514511841771592Like on Twitter 16327514511841771596Twitter 1632751451184177159
luytenjJoost ON3JT@luytenj·
9 Feb

It's my #Twitterversary! I have been on Twitter for 14 years, since 28 Oct 2009 (via @twi_age).

Reply on Twitter 1623576292099772417Retweet on Twitter 1623576292099772417Like on Twitter 1623576292099772417Twitter 1623576292099772417
Load More...

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

Categories

Copyright © 2023 ON3JT.
Powered by WordPress and HitMag.