A container for all my views with excerpts from technology, travel, films, books, kannada, friends and other interests. I am Thejesh GN, friends call me Thej.
beaconDB is a public-domain wireless geolocation database. It replaces Mozilla Location Service, which, of course, was shut down in 2024. I used to contribute to MLS very regularly. I think I was on their contribution leader-board, too. Anyway, recently, I started contributing to it. Like I have written in WN 11/2025, I promised...
Table of Contents1 What I want2 IMD WMS Layer3 My plan4 Example pages5 Future improvements IMD (Indian Meteorological Department) has a district-level alert system. They give rain alerts for today and the next four days. They also have something called NowCast that shows the same alert level for now. Alerts are basically four...
uMap is an open-source project that allows you to overlay your map data on top of the OpenStreetMaps and create custom maps. I have used it to create interactive maps; one example can be found embedded on the Surveillance in Bengaluru project page. It has features for both starters and advanced users. You...
I recently contributed some imagery to the panoramax project. It’s like Street View but is open and free. Then I saw that the panoramax exposes STAC APIs. I wanted to know more about STAC, which led me down a rabbit hole.
One of the valuable features of Google maps app is GPS logging. It keeps track of where you have been so you can take action if required later. I wanted an open-source, self-hosted version of that.
It’s tough to self-host the maps for Indie users. We usually host the wrapper and styles but end up using third-party tile providers. Even though there are good FOSS options for that, it’s still cumbersome if you are Indie. But Protomaps makes it easy.
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Thejesh GN (ತೇಜೇಶ್ ಜಿ.ಎನ್) "Thej" is an Independent Technologist, Hacker, Maker, Traveler, Blogger, InfoActivist, Open data and Open internet enthusiast from Bangalore, India. He loves experimenting with all things life and hence some times he is called hacker and other times duct tape. You can read more about him here. Email [ i @ thejeshgn dot com]. PGP/GPG Keys are here.
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