Ham Radio
Cheap Antenna Analyzer
Cheap Antenna Analyzer
Background
Recently, I stumbled upon 4X6UB’s post (can be found here) about his cheap HF antenna analyzer. Since I don’t have one and buying MFJ or others are expensive (Besides, building one is much more fun than…
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Ham Radio
Passive Field Strength Meter
building a Passive Field Strength Meter
Intro
Since I moved to my new QTH I’m in a constant search for an antenna. I can’t put dipole or vertical so I did some research and settled on Magnetic Loop antenna. The…
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Ham Radio
Using OpenSPOT On Multiple WiFi Networks
Using OpenSPOT On Multiple WiFi Networks
OpenSPOT
Recently, I got the first generation of SharkRF OpenSPOT. After using the DV4Mini with Raspberry Pi and LCD screen for few years, the OpenSPOT is significant upgrade. With my TYT MD380 (that’s how…
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Ham Radio
Controlling Astersik and Raspberry Pi with DTMF
Controlling Astersik and Raspberry Pi with DTMF
Intro
Not long ago I got a call from fellow ham, he planed to travel far from home and wanted the ability to control his Allstar node in case of emergency situation. When…
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