Pinaka imba, ring Sydney wénten pabinayan 200 meter (700 kaki) pantaraning koordinat GPS sané dikonfigurasi ring GDA (manut kadi standar global WGS 84) miwah  AGD (kawigunayang ring katahan gambar bumi lokal), sané dados kaiwangan sané nénten prasida katerima olih makudangkudang aplikasi, minakadi rikala nganggén genah survei utawi genah nganggé genah scuba diving.
For example, in Sydney there is a 200 metres (700 feet) difference between GPS coordinates configured in GDA (based on global standard WGS 84) and AGD (used for most local maps), which is an unacceptably large error for some applications, such as surveying or site location for scuba diving.