I remember the local news mets (Bob Ryan in DC) used to show a "real-time" radar view that had a line sweeping around a circle with the radar image updating as the line passed. How was that different from what we see on radar views today? Whatever happened to that kind of radar and why is that style of "streaming" radar not available on GRLevel3 or the various apps and websites which update the full image at discreet intervals? IS that old style of radar updating available and if so, where?
Thanks!