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# -*- coding: utf-8 -*- 

 

from obspy.xseed.blockette import Blockette 

from obspy.xseed.fields import Integer, VariableString, FixedString, Float 

 

 

class Blockette050(Blockette): 

    """ 

    Blockette 050: Station Identifier Blockette. 

 

    Sample: 

    0500097ANMO +34.946200-106.456700+1740.00006001Albuquerque, NewMexico, USA~ 

    0013210101989,241~~NIU 

    """ 

 

    id = 50 

    name = "Station Identifier" 

    fields = [ 

        FixedString(3, "Station call letters", 5, 'UN'), 

        Float(4, "Latitude", 10, mask='%+02.6f'), 

        Float(5, "Longitude", 11, mask='%+03.6f'), 

        Float(6, "Elevation", 7, mask='%+04.1f'), 

        Integer(7, "Number of channels", 4), 

        Integer(8, "Number of station comments", 3), 

        VariableString(9, "Site name", 1, 60, 'UNLPS'), 

        Integer(10, "Network identifier code", 3, xpath=33), 

        Integer(11, "word order 32bit", 4), 

        Integer(12, "word order 16bit", 2), 

        VariableString(13, "Start effective date", 1, 22, 'T'), 

        VariableString(14, "End effective date", 0, 22, 'T', optional=True, 

                       xseed_version='1.0'), 

        VariableString(14, "End effective date", 0, 22, 'T', 

                       xseed_version='1.1'), 

        FixedString(15, "Update flag", 1), 

        FixedString(16, "Network Code", 2, 'ULN', version=2.3) 

    ]