ZL21a
Latitude: 51°31'57.6"
Longitude: 2°50'52.8"
ZL20a
Latitude: 51°28'54"
Longitude: 2°46'57"
ZL20b
Latitude: 51°30'6.6"
Longitude: 2°50'50.4"
ZL21b
Latitude: 51°31'25.2"
Longitude: 2°48'13.2"
ZL22a
Latitude: 51°30'49.8"
Longitude: 2°43'27"
ZL22b
Latitude: 51°32'46.2"
Longitude: 2°46'7.2"