seismogramSource
The default is the edu/iris/dmc IRIS_Datacenter
Example
<fixedDataCenter> <name>IRIS_DataCenter</name> <dns>edu/iris/dmc</dns> </fixedDataCenter>
Places this can be found
hadDataLastWeek contains this directly
tryInOrder contains this directly
waveformArm contains this directly
waveformVectorArm contains this directly