It now has nearly 2,000 licensed users in over 60 countries.
"It is now thought that there are well over 10,000 licensed users and at least an equal number of unlicensed users!"
It is only available to to limited licensed users upon request.
Amateur radio is practised by over 15,000 licensed users in India.
In user-count licensing, each product key specifies a licensed user.
SemWare claimed "over 120,000 licensed users" on all platforms at that time.
The software has over 50,000 licensed users and over 1000 customers worldwide.
However, transmission from these radars causes a lot of interference to other international licensed users.
But Amico announced this summer that despite more than two million licensed users, it plans to close next year.
This appears to ensure that only licensed users (those with the hardware) can access the content.