If you want some in-depth technical details on how VORs work, I found this video very helpful. It goes into many of the details of the analog radio engineering:
Here is a German company that created a device where you can donate by putting cash into the collection bag or by swiping your card. You can even change the amount by turning the handle.
Yes, you are right. I had not seem the price tag when I posed the question. This product is for merchant ships or yachts and does not make any sense for small boat owners.
Is anything know about the power consumption of the Starlink antenna? Does the maritime version use less power than the conventional unit?
The fixed-location version of Starlink consumes around 60 to 100 W constantly which is problem if you want to e.g. use solar panels on a sail boat to supply the device.
https://www.youtube.com/watch?v=tZ2gG1v9Xg8