How to run brainaid’s NMEA proxy from the Sailonline client

Brainaid’s NMEA proxy java applet is a thing of beauty, it truly is. But getting it to run is a bit of a hassle. First you have go to his site, you have to enter your credentials and select a race to be able to log in before you’re finally able to get on to the navigation page where it sits waiting for you to run it. Is there no way to make this any easier?

I’m glad you asked. Sure there is. Short version: you install a browser extension that executes a script while loading the Sailonline client, adding at the page bottom a button that will get the NMEA applet for you. Easy, huh?

Well, let’s get to the nitty gritty:
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