The link you provided works.
If I try http://openems.de it automatically redirects to http://openems.de/index.php/ which is a blank screen on my device.
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Hi Thorsten, Good to have the site back up and running again. I have been using OpenEMS to design a log spiral antenna for amerture radio users. I have been documenting the development on my blog and hopefully pursuading some rf enthusiasts to give it a go. My blog is here https://hexandflex.com/201...
This has some similarities to a spiral antenna I have recently designed. See link for info https://hexandflex.com/2018/10/05/spiral-antenna-part-2-modelling-and-simulation-with-openems/amp/ First, my guess is cylidrical coordinates are better than cartesain for antennas like this. Though I confess i...