POSC Specifications: Epicentre Version 3.0
Logical Data Model
ENTITY
SEISMOGRAPH_PLATFORM
SUBTYPE OF
(
geophysical_facility
);
streamer_count :
OPTIONAL
ndt_int4
;
time_offset_wrt_master_vehicle :
OPTIONAL
ndt_time_millisecond
;
time_offset_wrt_standard_time :
OPTIONAL
ndt_time
;
UNIQUE
si:
facility
.identifier,
facility
.ref_existence_kind,
geophysical_facility
.identifying_context,
general_facility
.identifying_facility;
END_ENTITY
; (* seismograph_platform *)
Generated on Tue Jul 10 19:39:06 2001
© Copyright 2001 POSC. All rights reserved.