Ring around
Jump to navigation
Jump to search
The printable version is no longer supported and may have rendering errors. Please update your browser bookmarks and please use the default browser print function instead.
4-3-485
Ring around (in secondary radar)
1. The undesired triggering of a transponder by its own transmitter.
2. The triggering of a transponder at all bearings causing a ring presentation on a P.P.I.
Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)
