AC - Site Open Path
-------------------

This transaction is used to store information for each open path associated with a monitor defined for the site that uses and open path method. The physical description for each path is entered here and the path used by any monitor is referred to by the index given in this transaction.  This data is only needed for sites that have one or more open path monitors.

Examples:

.. code-block:: text
   :caption: AC transaction in default mode

   AC|I|17|031|4201|1|S|365|7|7|7|8|RESIDENTIAL

.. code-block:: text
   :caption: AC transaction in Tribal mode

   AC|I|TT|183|0001|1|NNW|2|2|2|1|2|AGRICULTURAL



Format
^^^^^^

.. list-table:: AC - Site Open Path transaction format
   :widths: 1 5 15 4 3 1
   :header-rows: 1


   * - Seq.
     - Name
     - Description
     - Formatting Rules
     - Required
     - Key
   * - 1
     - `Transaction Type <Transaction%20Type.html>`_
     - Site Open Path Info transaction identifier.
     - Must = AC
     - Always
     - 
   * - 2
     - `Action Indicator <Action%20Indicator%20for%20Transaction.html>`_
     - Indicator for Insert, Update, or Delete action.
     - Must = I, U, or D
     - Always
     - 
   * - 3
     - `State Code / Tribal Indicator <State%20Code.html>`_
     - The FIPS state code of the monitor, or "TT" to indicate that the next field on the transaction is a Tribal code.
     - Must exist in STATES Reference Table or be 'TT' for Tribal Site
     - Always
     - Y
   * - 4
     - `County Code / Tribal Code <County%20Code.html>`_
     - The FIPS County Code of the site.  If the previous field on the transaction contains "TT", then the Tribal Code of the site.
     - Must exist in COUNTIES (for state) or TRIBAL_AREAS Reference table
     - Always
     - Y
   * - 5
     - `Site Number <Site%20Number.html>`_
     - Four digit number to uniquely identify site in county and/or tribe.
     - Must exist in SITES table with {State Code, county Code} or Tribal Code
     - Always
     - Y
   * - 6
     - `Open Path Number <Open%20Path%20Number.html>`_
     - A unique  numeric identifier for an open path at a site.
     - Integer - 2 digit.
     - Always
     - Y
   * - 7
     - `Direction from Receiver to Transmitter <Direction%20from%20Receiver%20to%20Transmitter.html>`_
     - The true direction from the receiver to the transmitter at the site.
     - Must exist in COMPASS SECTORS reference table.
     - Insert
     - 
   * - 8
     - `Beam Length <Open%20Path%20Beam%20Length.html>`_
     - The length of the beam projected between the transmitter and the receiver, in meters.
     - Decimal.
     - Insert
     - 
   * - 9
     - `Height of Transmitter <Open%20Path%20Transmitter%20Height.html>`_
     - The height of the transmitter above the ground, in meters.
     - Decimal.
     - Insert
     - 
   * - 10
     - `Height of Receiver <Open%20Path%20Receiver%20Height.html>`_
     - The height of the receiver above the ground, in meters.
     - Decimal.
     - Insert
     - 
   * - 11
     - `Minimum Beam Height <Open%20Path%20Minimum%20Beam%20Height.html>`_
     - The height of the beam at the lowest point from the ground, in meters.
     - Decimal.
     - Insert
     - 
   * - 12
     - `Maximum Beam Height <Open%20Path%20Maximum%20Beam%20Height.html>`_
     - The height of the beam at the highest point from the ground, in meters.
     - Decimal.
     - Insert
     - 
   * - 13
     - `Land Use Under Path <Land%20Use%20Under%20Path.html>`_
     - The prevalent land use under the path of the beam.
     - Must exist in LAND USE TYPES reference table.
     - Insert
     -