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7.16 WAVEFORM SPECIFIC OBSERVATION ID SUFFIXES

Each waveform channel in a recording contains timing, channel definition and digital time series data. The category of waveform result transmitted in a given OBX segment is determined by the Observation ID Suffix contained in OBX-3-observation identifier. Four suffixes are provided for the different categories of waveform result:

Observation

Suffix

Data Type

Timing Information

TIM

TS

Channel Definition

CHN

CD

Waveform Data

WAV

NA or MA

Waveform Annotation

ANO

CE

The Observation Sub-ID is used to associate the TIM, CHN, and subsequent WAV, and ANO category result segments for a given channel or channels in a waveform response message.

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