/** \page GdcovFormat gdcov format

##Format
- Header:  Number Parameters
- Estimates:  Number Name Time Value Sigma
- Correlations:  Number Number Correlation

##Comments
- Suggested suffix is .gdcov
- White space delimited
- Blank lines ignored
- Comment lines begin with #

##Site parameters of the form SITE.PARAMETER.COMPONENT
- STA position m  
- AC1 amplitude cosine once per year m
- AS1 amplitue sinex once per year m
- AC2 amplitude cosine twice per year m
- AS2 amplitude cosine twice per year m
- VEL velocity mm/yr
- B# break m

##GPS parameters of the form GPS#.PARAMETER
- X_OFF antenna offset m
- Y_OFF antenna offset m
- Z_OFF antenna offset m

##Global parameters
- UT1-UTC sec
- UT1-UTCRATE sec/sec
- XPOLEMOTION asec
- XPOLERATE asec/sec
- YPOLEMOTION asec
- YPOLERATE asec/sec

##Time and correlations
- TIME seconds past Jan. 1, 2000 11:59:47 UTC. GCORE standard for time
- CORRELATIONS unitless

##Example

\verbatim
24 PARAMETERS
1 YAKT.STA.X 410313600 -1.914999118514175e+06 9.519551772994721e-05
2 YAKT.STA.Y 410313600 2.308241477930571e+06 9.519784736296453e-05
3 YAKT.STA.Z 410313600 5.610225520472412e+06 9.523451716309900e-05
4 YAKT.VEL.X 410313600 -2.190488911045391e+01 7.771592222779110e-02
5 YAKT.VEL.Y 410313600 -3.022129331829948e+00 7.771782409858254e-02
6 YAKT.VEL.Z 410313600 -5.178547424278007e+00 7.774776066914332e-02
7 YAKT.AC1.X 410313600 -2.357771095897339e-03 4.720482093926665e-05
8 YAKT.AC1.Y 410313600 4.110225623359536e-04 4.720597613976816e-05
9 YAKT.AC1.Z 410313600 -2.967857897062226e-03 4.722415967812948e-05
10 YAKT.AS1.X 410313600 4.392133161798720e-05 4.526912625127467e-05
11 YAKT.AS1.Y 410313600 8.364009335719312e-04 4.527023408128461e-05
12 YAKT.AS1.Z 410313600 1.367371622978139e-04 4.528767198016955e-05
13 YAKT.AC2.X 410313600 -1.140513521125158e-03 4.303013197210183e-05
14 YAKT.AC2.Y 410313600 7.614611048599999e-05 4.303118500924955e-05
15 YAKT.AC2.Z 410313600 -8.057836225531508e-04 4.304776043608664e-05
16 YAKT.AS2.X 410313600 -1.572116710510631e-03 4.329218507306678e-05
17 YAKT.AS2.Y 410313600 1.491679219933262e-03 4.329324452319880e-05
18 YAKT.AS2.Z 410313600 9.060916549405857e-04 4.330992089423216e-05
19 YAKT.B01.X 404697600 2.817239612340927e-02 1.173880496278075e-04
20 YAKT.B01.Y 404697600 -3.095770720392466e-03 1.173909223584156e-04
21 YAKT.B01.Z 404697600 -5.530692636966705e-03 1.174361408353418e-04
22 YAKT.B02.X 418003200 -2.798459818586707e-02 1.302924992861111e-04
23 YAKT.B02.Y 418003200 5.232092458754778e-03 1.302956878155137e-04
24 YAKT.B02.Z 418003200 6.539862602949142e-03 1.303458771524123e-04
2 1 6.686703014886437e-04
3 1 -2.293305052762169e-04
3 2 -1.291573429319752e-04
.
.
.
\endverbatim

*/