Feature Type

Feature Type Name

Mast

Synonyms

Definition

An upright post or lattice-work structure for supporting radio antennas or similar features. Usually supported by guys. (Non directional beacons are stored under beacons)

Comments

If an instrument is on top of a mast, see apparatus.

Table Name

MAST

Australia's Implementation Table Names

  • MAST_PT

None entered in defining this feature type

The following have been used in categorising this feature type

  • Infrastructure Services
  • Structure
Code Name Definition   Data type Values UoM Used by these Feature Types
1316 Asset_manag_no Australia uses this field to record the new asset management number from Maximo. Optional character(20)     Types
1015 Asset_No Australia uses this field to record the old asset management number from Mainpac. Optional character(20)     Types
1042 Dataset_Id An unique identifier of the dataset the feature belongs to Mandatory number(4)     Types
1046 Date_Est Date the object was established. If there is a gap in dates, these should be noted in comments. EG The date a station was established. Optional date     Types
1249 Date_Flag The type of date been stored, i.e.whether the date is approximate or definite, and for which component of the date is approximate or definite. Also includes seasons Optional character(50)
label Definition
Appoximate day in a known month and year
Approximate month in a known year The entry must be a full date, e.g. 1/1/2002, but only the month and year are valid.
Approximate season of a known year The season must be an Antarctic summer, autumn, winter or spring season. Enter season date with the approximate date of the middle of the season. Eg for spring 2002, enter as 15/10/2002.
Approximate year The entry must be a full date, e.g. 1/1/2002, but only the year is valid.
Definite day, month and year
Definite month and year The entry must be a full date, e.g. 1/1/2002, but only the month and year are valid.
Definite season and year The season must be an Antarctic summer, autumn, winter or spring season. Enter season date with the approximate date of the middle of the season. Eg for spring 2002, enter as 15/10/2002.
Definite year The entry must be a full date, e.g. 1/1/2002, but only the year is valid.
Pre year The entry must be a full date, e.g. 1/1/2002, but only the year is valid. The data was sourced before the year listed.
Unknown Value indicating that an attribute is not applicable or that it is impossible to determine
  Types
1048 Date_Rem The date the feature was removed Optional date     Types
1054 Description Describing, verbal portrait, of a person, object, or event Optional character(100)     Types
1064 Elevation Height of ground level above mean sea level (MSL) Mandatory number(10,2)   metres Types
1272 Gaz_Id Reference number as in national Gazetteer of Antarctica Optional number(10)     Types
1098 Height Measurement from the base to top Mandatory number(10,2)   metres Types
1121 Material Matter from which thing is made Mandatory character(50)
label Definition
Concrete Composition of gravel, cement, etc., for builiding
Earth Dry land; soil, mould; ground
Metal Any of the class of substances such as gold, silver, copper, iron, lead, tin, aluminium, uranium, etc., all of which are crystalline when solid and many of which are opaque, ductile, malleable, dense, good conductors of heat and electricity, and character
Other
Timber Wood prepared for building, carpentry, etc.
Unknown
  Types
1267 Name Name used to refer or label something. For example waypoints, buildings, and camps. Note: Name does not include SCAR Composite Gazetteer of Antarctica placenames. See the attribute SCAR_Name. Optional character(100)     Types
1150 Q_Info An unique identifier pointing to additional data quality information not included in the metadata record. Mandatory number(5)     Types
1163 Rl_of_Top Reduced level of the top of a feature. The Reduced Level or RL of a point is its elevation above an adopted datum, such as Mean Sea Level (MSL). It may be determined by surveying techniques such as levelling. Optional number(10,2)   metres Types
1176 Service Type of service Mandatory character(50)
label Definition
Communication
Electricity
Fuel
Other
Sewerage
Unknown
Water supply
  Types
1186 Status The state or condition of a feature Mandatory character(50)
label Definition
Abandoned
Closed
Current
Moved
Non-preferred This dataset has not been superseded but there is another dataset that is the preferred dataset for general use.
Operational
Other
Proposed
Removed
Ruin
Seasonal One or more of the divisions of the year. E.g. summer
Superseded
Under construction
Unknown
Year-round All of the year
  Types
1202 Transfer   Mandatory character(50)
label Definition
Receive
Transmit
Transmit and receive
Unknown
  Types