Multiplex/Modulation Attributes (M)
PARAMETER MAXIMUM FIELD SIZE CODENAME DEFINITION XML Element
        <!--  M section   -->
DATA  SOURCE ID 32 M-x\ID DATA  SOURCE IDENTIFICATION <MultiplexModulationGroup DataSource="">
COMPOSITE SIGNAL STRUCTURE   <CompositeSignalStructure>
  <SignalStructureType />
  <ModulationSense />
  <CompositeLPFBandwidth />
</CompositeSignalStructure>
SIGNAL STRUCTURE TYPE 7 M-x\BB1 SPECIFY THE COMPOSITE BASEBAND SIGNAL STRUCTURE:
'PCM          'HYBRID:
'PAM'          'ANA/SCO'
'ANALOG'    'PAM/SCO'
' SCO's'       'PCM/SCO'
'OTHER'
MODULATION SENSE 3 M-x\BB2 SPECIFY THE MODULATION SENSE:
'POS' - INDICATES THAT AN INCREASING VOLTAGE RESULTS IN AN INCREASE IN FREQUENCY.
'NEG' - INDICATES THAT A DECREASING VOLTAGE RESULTS IN AN INCREASE IN FREQUENCY
COMPOSITE LPF BANDWIDTH 6 M-x\BB3 GIVE THE LOW PASS BANDWIDTH OF THE COMPOSITE WAVEFORM, IN kHz.  (3 dB CUTOFF FREQUENCY).
BASEBAND SIGNAL   <BasebandSignal>
  <SignalType />
<LowPassFilter>
  <Bandwidth />
  <Type />
  </LowPassFilter>
  <DataLink />
  <MeasurementName />
  </BasebandSignal>
BASEBAND SIGNAL TYPE 3 M-x\BSG1 TYPE OF BASEBAND DATA:
'PCM'
'ANA' (ANALOG)
'PAM'
'OTH' (OTHER)
'NON' (NONE).
LOW PASS FILTER      
BANDWIDTH 6 M-x\BSF1 SPECIFY LOW PASS FILTER BANDWIDTH, 3 dB, CUTOFF FREQUENCY, IN kHz.
TYPE 2 M-x\BSF2 SPECIFY THE FILTER TYPE:
CONSTANT AMPLITUDE - 'CA'
CONSTANT DELAY - 'CD'
OTHER - 'OT', DEFINE IN THE COMMENT RECORD.
BASEBAND DATA LINK TYPE  
PCM OR PAM  
DATA LINK NAME 32 M-x\BB\DLN SPECIFY THE DATA LINK NAME FOR PCM OR PAM DATA FORMAT.
ANALOG      
MEASUREMENT NAME 32 M-x\BB\MN GIVE THE MEASURAND NAME.
SUBCARRIERS   <Subcarriers>
  <NumberOfSubCarriers />
  <IRIGSubCarrier>
    <Number />
    <DataType />
    <ModulationSense />
    <LowPassFilter>
      <Bandwidth />
      <Type />
      </LowPassFilter>
      <DataLink />
      <MeasurementName />
  </IRIGSubCarrier>
  <Other />
</Subcarriers>
NUMBER OFSUBCARRIERS 2 M-x\SCO\N SPECIFY THE NUMBER OF SUBCARRIERS ON THIS DATA LINK.
IRIG SUBCARRIERS  
NUMBER OFSCOs 2 M-x\SI\N SPECIFY THE NUMBER OF IRIG SUBCARRIERS.
SCO NUMBER 5 M-x\SI1-n GIVE THE IRIG CHANNEL NUMBER FOR THE SUBCARRIER.
SCO #n DATA TYPE 3 M-x\SI2-n SPECIFY THE TYPE OF DATA ON THE SUBCARRIER:
PCM - 'PCM'
ANALOG - 'ANA'
PAM - 'PAM'
OTHER - 'OTH'.
MODULATION SENSE 3 M-x\SI3-n SPECIFY THE MODULATION SENSE:
'POS' - INDICATES THAT AN INCREASING VOLTAGE RESULTS IN AN INCREASE IN FREQUENCY
'NEG' - INDICATES THAT A DECREASING VOLTAGE RESULTS IN AN INCREASE IN FREQUENCY.
LOW PASS FILTER  
BANDWIDTH 6 M-x\SIF1-n SPECIFY THE LOW PASS FILTER CUTOFF FREQUENCY (3 dB), IN kHz.
TYPE 2 M-x\SIF2-n SPECIFY THE FILTER TYPE:   CONSTANT AMPLITUDE - 'CA'   CONSTANT DELAY - 'CD'   OTHER - 'OT', DEFINE IN THE    COMMENTS RECORD.
DATA LINK TYPE  
PCM OR PAM  
DATA LINK NAME 32 M-x\SI\DLN-n SPECIFY THE DATA LINK NAME FOR PCM AND PAM DATA FORMATS.
ANALOG      
MEASUREMENT NAME 32 M-x\SI\MN-n GIVE THE MEASURAND NAME.
REPEAT THE ABOVE FOR EACH IRIG SUBCARRIER ON THIS CARRIER.  
OTHER 1  M-x\SO ARE THERE NONSTANDARD SUBCARRIERS?   YES - 'Y',              NO -'N'
 DEFINE IN THE COMMENTS.
REFERENCE CHANNEL 6  M-x\RC FREQUENCY OF REFERENCE CHANNEL IN kHz, IF APPLICABLE. <ReferenceChannel />
COMMENTS    
COMMENTS 3200  M-x\COM PROVIDE THE ADDITIONAL INFORMATION REQUIRED AND ANY OTHER INFORMATION DESIRED. <Comments /> 
        </MultiplexModulationGroup>