Category Archives: Electronics

GPSMON Output with UBlox Receivers

Posted on 2023-05-20 by Nigel VH

I’ve got a UBlox GPS module in a somewhat challenging RF environment (Indoor with no clear sky view, and potentially some other RF sources causing interference), and have been looking at what data I can gather with regards to the … Continue reading →

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GPS Timing Over USB

Posted on 2023-04-24 by Nigel VH

I recently posted about building this GPS receiver for use in making Stratum 1 NTP servers, and through conversation with some friends, I was interested understanding the performance difference in timing the Pulse-Per-Second (PPS) signal via the hardware serial port, … Continue reading →

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Air Quality Sensor

Posted on 2023-03-03 by Nigel VH

A couple years ago I cobbled together a couple of air quality sensors to give my family and I a better idea of the state of the air in and outside our home, particularly during what seems to be becoming … Continue reading →

Posted in Electronics, Projects, Weather | Leave a comment

GPS Device for NTP Servers

Posted on 2023-01-21 by Nigel VH

I’ve made a few posts over the years about using GPS devices for precision timekeeping for NTP Stratum 1 servers, and recently the topic came up again with some colleagues to potentially build another one. My previous builds have been … Continue reading →

Posted in Electronics, Projects, Technology | 1 Comment

Inexpensive Lightning Arrestor

Posted on 2023-01-07 by Nigel VH

I’ve recently been working on a project involving GPS, and wanted to find an inexpensive lightning arrestor. It needed to have DC pass through to power the active GPS antenna, it needed to be able to pass the roughly 1.6GHz … Continue reading →

Posted in Electronics, Ham Radio | Leave a comment