Alexander Pushkarev UA4LFR / RM4M, no longer with us, he died at 52 years old. A year ago. Parsing his things, his wife found this appeal. I don’t know why he did it and, but this is a very good memory of him. Unfortunately, the video cannot be downloaded - the file size is too large - so I am attaching a link https://drive.google.com/open?id=1EDzw6NsuB6kQFWkafMDSZ6UH7fq-PO0K