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Version 1.9 Build 1556

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measures.iers - Tool

	Package	utility
	Module	aipsrcdata

Postscript file available

details for the IERS data handling - user

Description
The variables in this group describe non-standard operation of the use of the IERS Earth Orientation parameters. Default lookup for directories is

  - ./name
  - ./data/name
  - $AIPSHOME/data/ephemerides/name ($AIPSHOME is normally ~/aips++)
  - $AIPSROOT/data/ephemerides/name ($AIPSROOT is first field of $AIPSPATH)
  - $AIPSHOME/data/geodetic/name
  - $AIPSROOT/data/geodetic/name
  and at least till 1 Jan 2001:
  - $AIPSHOME/data/aips/Measures/name
  - $AIPSROOT/data/aips/Measures/name
  - $AIPSHOME/code/trial/apps/measures
  - $AIPSROOT/code/trial/apps/measures

Example

measures.ierspredict.directory:    ~/aips++

Use the IERS prediction tables from the indicated directory

Aipsrc Variables

measures.ierseop97.directory		directory for the IERSeop97 table
		Allowed:	valid directory
		Default:	see description
measures.ierspredict.directory		directory for the IERSpredict table
		Allowed:	valid directory
		Default:	see description
measures.tai_utc.directory		directory for the TAI_UTC leap second table
		Allowed:	valid directory
		Default:	see description
measures.measiers.b_notable		do not use the IERSeop97 or IERSpredict tables
		Allowed:	true or false
		Default:	false
measures.measiers.b_forcepredict		use always the IERSpredict table
		Allowed:	true or false
		Default:	false
measures.measiers.d_predicttime		use always the IERSpredict table if coordinate conversion time is less than given number of days ago
		Allowed:	number of days
		Default:	5