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A survey point mark carrying an antenna stroke.
Also known as: Denshi kijunten mark, GNSS station mark
Denotes a permanent satellite positioning station on a Japanese topographic map.
Marks a permanent satellite positioning station on a GSI topographic sheet.
Contexts: Maps
Extends the survey control family to continuously operating GNSS stations, which supply both horizontal and vertical control and so do not fit the older triangle-square division.
Contexts: Maps
The survey point outline with a short upright stroke rising from its head, the stroke standing for the receiving antenna.
Without the antenna stroke the mark is an ordinary triangulation station.
Without the antenna stroke the mark is an ordinary levelling benchmark.