=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 03-Sep-1999
Acoustic gauge (Aquatrak 4100 series sensor) installed in April 1999
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 05-Jun-2000
New analogue chart, float gauges were installed in 1985 in 4 Turkish
stations: Antalya II, Bodrum II, Metes/Izmir and Erdek. All were
replaced by new acoustic systems in 1998-99.
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 05-Jun-2000
Erdek               310/038 RLR(1995) is 8.561m below BM MAR 1
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 28-Jun-2010
Erdek is on the Sea of Marmara. This station forms part of the Turkish Sea Level
Monitoring Network.The total dataset has been revised by the authority.
A new RLR diagram has been created. Coast/Station code 310/038 id=1598. RLR
(2009) is 7.700m  below TGBM
ERDK-1. RLR factor is 5.110m.