Japan Castles On The Air (JACOTA)
Go Pouch for JACOTA Operations
A compact pouch makes it easier when visiting castles with a lot of steps, a high mountain location.
Short Break
Building an Over Voltage Protector: Part 1
This time I built an over voltage protector (OVP) using that Op-Amp.
Technical Trivia by Dr. FB
25th Comparator
There is hardware that behaves like an “if, then, else” statement in an electronic circuit.
Report from Thailand
RAST will host the IARU Region 3 Conference 2021 online in September, etc.
RAST are invited to attend the IARU Region 3 Conference that will be hosted online on 20th-23rd September 2021.
Topics from Around the World
A small dual-band directional antenna for 2m and 70cm
A compact, dual-band, directional antenna is sometimes the first choice for portable operation, or for operating on a balcony under limited conditions.
FB LABO
DIY 50MHz pocket dipole antenna
Introducing a home-made version of a compact and portable antenna; a pocket dipole antenna for 50MHz.
FB NEWS Worldwide July 2021
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