=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 2001Feb23 :
Chichijima          648/001 RLR(1993) is 8.3m below Attached BM
=========================== FOLLOWING PSMSL DOCUMENTATION ADDED 13-Mar-2014 :   
The GPS benchmark information has been downloaded from SONEL website. GPS benchmark P213 is 13.036m above RLR.

