Subject: [IGSMAIL-0844] STACOV format
From: Michael Heflin
Date: Wed, 18 Jan 1995 10:47:21 PST

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IGS Electronic Mail      Wed Jan 18 10:47:21 PST 1995      Message Number 0844
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Author: Michael Heflin
Subject: STACOV format

I would like to suggest the STACOV format as a possible candidate for SINEX.
We have been using this format for station coordinates, station velocities,
earth orientation parameters, and antenna heights.  Several software packages
including BERNESE, GIPSY, GAMIT, and FONDA already have utilities which allow
them to read or write STACOV files.  It is an ascii format which I created
four years ago while analyzing data from the GIG '91 experiment.
  
1.  One header line tells the number of parameters and the date.
2.  One line for each parameter gives its value and one sigma error.
3.  One line for each correlation provides complete correlation information.
4.  One line for each site contains the corresponding antenna height.

An actual stacov file is given below.  Parameter names are 16 characters long
and are not limited to use of 4 character site names.  Full double precision
is used.  The ascii format is easily transportable and can be manipulated with
the UNIX utilities awk, sed, and grep.  Please let me know if you would like
any additional information.

   15 PARAMETERS ON 94DEC01.
    1  ALBH STA X         -.234133283702320E+07  +-   .262999968972538E-02
    2  ALBH STA Y         -.353904950530420E+07  +-   .279471404123692E-02
    3  ALBH STA Z          .474579137202112E+07  +-   .338618514979838E-02
    4  MATE STA X          .464194976706941E+07  +-   .430859497427487E-02
    5  MATE STA Y          .139304523220162E+07  +-   .286323116319804E-02
    6  MATE STA Z          .413328729908134E+07  +-   .389443113885899E-02
    7  NLIB STA X         -.130934428654935E+06  +-   .210445154510370E-02
    8  NLIB STA Y         -.476229172744986E+07  +-   .327565894183926E-02
    9  NLIB STA Z          .422685465515099E+07  +-   .293432170084903E-02
   10  UT1-UTC             .476707879829561E+00  +-   .215599999999321E-07
   11  UT1-UTCRATE        -.276313588325539E-07  +-   .146056589168472E-09
   12  XPOLEMOTION        -.151725504989843E+00  +-   .523662597538172E-04
   13  XPOLERATE          -.628010844251712E-08  +-   .152864795462502E-08
   14  YPOLEMOTION         .338633605776711E+00  +-   .667849503422002E-04
   15  YPOLERATE           .281594552108051E-07  +-   .145162746806189E-08
    2     1    .387342675883945E+00
    3     1   -.683809520917202E+00
    3     2   -.806909147442510E+00
    4     1   -.158963572803795E-01
    4     2   -.203201748143822E-02
    4     3    .733173996310306E-02
    5     1    .378534127635869E-02
    5     2   -.113358031647996E-01
    5     3   -.624372125904274E-02
    5     4    .398158503827286E+00
    6     1   -.680031185048618E-02
    6     2   -.501199665435309E-02
    6     3    .996693063083020E-03
    6     4    .927779300561502E+00
    6     5    .494912205192611E+00
    7     1    .196076390736549E+00
    7     2   -.194963546143743E-01
    7     3   -.612058129371601E-02
    7     4   -.141572908634497E-01
    7     5    .118096448228878E-01
    7     6    .202216125654803E-02
    8     1    .152432601079298E-02
    8     2    .139204064247281E+00
    8     3   -.103812714056945E+00
    8     4   -.146044985807499E-01
    8     5    .103587046504444E-01
    8     6   -.613313529144518E-02
    8     7    .387791580777137E-01
    9     1   -.362198931648909E-01
    9     2   -.104130789180329E+00
    9     3    .146553640364598E+00
    9     4    .167916939835301E-01
    9     5   -.292818615867055E-01
    9     6   -.208320522537876E-03
    9     7   -.456815362415783E-01
    9     8   -.915183880572092E+00
   10     1   -.128926272945268E-08
   10     2    .283668668004972E-08
   10     3   -.954563558971217E-09
   10     4   -.276844169676738E-08
   10     5   -.105779916281484E-08
   10     6   -.294418509114553E-08
   10     7    .777470419934103E-08
   10     8   -.203086045835807E-08
   10     9   -.727880301641584E-09
   11     1    .254054111862868E-02
   11     2   -.255355667695617E-01
   11     3    .119842446130644E-01
   11     4    .908276435965862E-02
   11     5   -.142058456722835E-01
   11     6   -.232823024545316E-02
   11     7    .264479989302421E-01
   11     8   -.202667200431697E-01
   11     9    .182544521019054E-01
   11    10    .168628091047688E-08
   12     1   -.828095939005566E-01
   12     2    .436217613731486E-01
   12     3    .460591338090892E-01
   12     4   -.686414656564321E-01
   12     5    .384546872770221E-01
   12     6   -.634777850135331E-01
   12     7   -.556216420044484E-01
   12     8    .282752389592177E-01
   12     9   -.107939592652043E-01
   12    10    .701619046928484E-08
   12    11    .828745664098145E-01
   13     1    .333225635897931E-03
   13     2   -.219685843745619E-02
   13     3   -.611970327961029E-02
   13     4    .112242023382677E-01
   13     5   -.673824937228251E-02
   13     6    .129463843633657E-01
   13     7   -.279988197724705E-02
   13     8    .742080720507209E-02
   13     9   -.129777080629550E-01
   13    10    .220010623088763E-07
   13    11   -.346463217603500E-01
   13    12   -.529479168646592E-01
   14     1   -.582291153349088E-01
   14     2    .733167314586657E-01
   14     3   -.888722688654059E-01
   14     4    .244547811340121E-01
   14     5    .650900748744417E-01
   14     6    .102764071006537E+00
   14     7   -.693075486056174E-01
   14     8    .106568759162224E+00
   14     9   -.200948573811907E+00
   14    10   -.503302652955947E-08
   14    11   -.464714887809431E-01
   14    12    .415504066372364E-01
   14    13   -.683925880777597E-01
   15     1   -.144774092867033E-01
   15     2    .159526427946472E-01
   15     3    .449101615574016E-02
   15     4   -.114076901003299E-01
   15     5   -.470967308767404E-02
   15     6    .413291910807739E-02
   15     7   -.193262668484234E-01
   15     8    .800198852801625E-02
   15     9   -.110576283800967E-02
   15    10    .132381898699282E-07
   15    11    .149002933229708E+00
   15    12    .161138976725021E-01
   15    13    .244856712230134E-01
   15    14   -.161428625980838E-01
 ALBH ANTENNA LC    0.0823      0.0000      0.0000    !up east north (m)        
 MATE ANTENNA LC    0.1843      0.0000      0.0000    !up east north (m)        
 NLIB ANTENNA LC    0.1423      0.0000      0.0000    !up east north (m)        

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