Ham radio blog by OZ1BXM
torsdag den 5. juni 2025
My second DXCC diploma
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My first DXCC was acquired in 2023. My second DXCC was received in the mail today. It is QRP DXCC, which requires all contacts be made with...
fredag den 17. maj 2024
RS-232 probe
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This RS-232 probe is useful when troubleshooting a serial connection. It provides an optical indication of the line state and traffic on the...
onsdag den 15. maj 2024
TTL probe
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This TTL probe is helpful when troubleshooting a serial connection. It provides an optical indication of the line state and traffic on the l...
tirsdag den 9. april 2024
ADX-S - Arduino Transceiver for Digimode
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ADX-S stands for Arduino Digital Transceiver - Superheterodyn. ADX-S is a QRP transceiver with four modes: WSPR, FT8, FT4 and JS8. There are...
mandag den 14. august 2023
DIY 70 cm yagi 6 elements
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Figure 1. I needed a short 70 cm yagi for working the LEO satellites. In earlier years, I've had a 6-element yagi and I was satisfied wi...
torsdag den 26. januar 2023
My first DXCC diploma
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My first DXCC diploma arrived in the mail today. Shipping from USA to Denmark took 16 days. The mode is Mixed because CW and FT8 were used f...
søndag den 8. januar 2023
First QSO via Greencube satellite
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Greencube is an exciting satellite. The orbit is MEO (Medium Earth Orbit), and the average distance to Earth is 6,800 km. Greencube carries ...
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