how so ?
Deployed positions are approximately:
Hillarys Yacht Club 31°54’ 115°11’ 173m
Furuno 31°57’ 115°15’ 141m
Perth Game Fishing Club 31°59’ 115°13’ 190m
Club Marine 32°03’ 115°19’ 105m
Fremantle Sailing Club 32°04’ 115°11’ 223m
All Marine Services 32°08’ 115°10’ 188m
Recfishwest FADs are:
Surface: 32° 00.938S 115° 13.886E
Submerged 23m : 32° 03.108S 115° 13.315E
these have been in the same position for many many years and are marked on gps charts . Years ahead eh ?