Spi ref 1
Latitude: 51°38'17.5"
Longitude: 2°41'16.6"
Spi imp 1
Latitude: 51°31'10.7"
Longitude: 2°33'54.7"
Spi imp 2
Latitude: 51°31'13.3"
Longitude: 2°33'51.8"
Spi imp 3
Latitude: 51°31'20.9"
Longitude: 2°34'0.2"
Spi imp 4
Latitude: 51°31'27.7"
Longitude: 2°33'56.9"
Spi ref 2
Latitude: 51°38'22.2"
Longitude: 2°41'23.7"
Spi ref 3
Latitude: 51°38'32.7"
Longitude: 2°41'21.1"
Spi ref 4
Latitude: 51°38'33.7"
Longitude: 2°41'19"