These plugins may be of use in plotting whatever data you have.
It’s not entirely clear to me what that data is.
Trilateration by Didier Bur
Coords-Tag from Datum by TIG
Survey Tool by J. Wehby
http://rhin.crai.archi.fr/rld/plugin_details.php?id=434
Latitude Longitude by Didier Bur
http://rhin.crai.archi.fr/rld/plugin_details.php?id=737