For Sky TV in the UK, the Sky TV satellite boxes occasionally display the subscriber number in a faint font just above the channel logo in the top-right. If you

For Sky TV in the UK, the Sky TV satellite boxes occasionally display the subscriber number in a faint font just above the channel logo in the top-right. If you've simply hooked up the satellite decoder to a video capture device with a view to streaming sports content, then your subscriber number just gets occasionally shown on the stream too. So no doubt there's a specific "when" for the subscriber number being shown, and it's a case of finding & watching as many streams as possible to see how many of them feature the subscriber number. Gotcha!