Probe Location
==============

Description
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A general location of the monitor's probe with respect to structures at the monitoring site.

Valid values are:

* GROUND LEVEL SUPPORT
* POLE
* SIDE OF BUILDING
* TOP OF BUILDING
* TOWER
* OTHER


Business Rules
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Must be a valid AQS probe location term (e.g., it exists in the Probe Locations Table).

Valid probe location codes include:

* GROUND LEVEL SUPPORT
* OTHER
* POLE
* SIDE OF BUILDING
* TOP OF BUILDING
* TOWER