There is no programmer. First, the program was under free use under GitHub. Then they have noticed that you can make good money. After the radar has funked again, no idea where they got it, but before that the radar was also stolen, they deleted their github page and sold it cheaper. Blame yourself who buys there.
The best example is that the other vendors have a functioning radar, which works again in a timely manner and once again you will not get a statement for weeks. And do not tell me the work on an update. They do not do that. Comments are simply deleted in the forum. SCAM