Category: web

Calculate wind from thermals

21 January, 2021 Ulrich Scheller 0 Comments 3 categories

This post is a followup to the last one about Paragliding data gems. We have collected lots of flights and their GPS location data. From this, several million thermals were extracted and shown on a

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Paragliding data gems

2 January, 2021 Ulrich Scheller 0 Comments 3 categories

Paragliding is my beloved hobby and besides offering stunning views and perfect days outside, it also provides a huge amount of flight data to process and play around with. Sites like xc.dhv.de, XContest contain millions

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Make your website or web-app offline available

25 June, 2017 Ulrich Scheller 0 Comments 2 categories

Android developers vs. web One great advantage of native apps over web apps is that they don’t depend on an online connection to start. Therefore the startup is fast and you can use them in

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This website switched to HTTPS

24 May, 2017 Ulrich Scheller 0 Comments 1 category

My webhoster 1blu has finally added the possibility to get a free LetsEncrypt SSL certificate for this website. So www.ulrich-scheller.de is now available via HTTPS. Let’s Encrypt With LetsEncrypt getting an SSL certificate is free. There

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