FTS Report on DOY 303

I.  The following are clock offsets, in microseconds between the clocks
at each DSN complex and each complex relative to UTC(USNO).  The offset
is a mean of readings using several GPS space vehicles in common view.

                SPC10     SPC40     SPC60     SPC40     SPC60
                MINUS     MINUS     MINUS     MINUS     MINUS
 MJD   DOY      USNO      USNO      USNO      SPC10     SPC10

56585  293      0.230    -0.304     1.315    -0.533     1.087
56586  294      0.234    -0.281     1.330    -0.514     1.099
56587  295      0.235    -0.263     1.339    -0.498     1.106
56588  296      0.237    -0.246     1.349    -0.483     1.116
56589  297      0.240    -0.231     1.361    -0.471     1.124
56590  298      0.238    -0.212     1.369    -0.450     1.133
56591  299      0.239    -0.197     1.376    -0.435     1.140
56592  300      0.240    -0.178     1.387    -0.417     1.149
56593  301      0.237    -0.162     1.397    -0.397     1.162
56594  302      0.234    -0.152     1.404    -0.384     1.172
56595  303      0.239*   -0.130*    1.415*   -0.367*    1.179*
56596  304      0.239*   -0.113*    1.425*   -0.351*    1.188*
Values derived from linear least squares extrapolation or interpolation are indicated by (*) next to the time offset. 

II.  Frequency Offsets from linear least-squares fits on time-offsets over the period from 56585 to 56594
 -----------------------------------------------------------------------
|                                 | DELTA-F/F | UNCERTAINTY | STD. DEV. |
|           MEASUREMENT           |  (E-13)   | (+/- E-13)  |  (nsec.)  |
|---------------------------------|-----------|-------------|-----------|
|   SPC10 RELATIVE TO UTC(USNO)   |    0.053  |    0.034    |   2.679   |
|   SPC40 RELATIVE TO UTC(USNO)   |    1.958  |    0.037    |   2.881   |
|   SPC60 RELATIVE TO UTC(USNO)   |    1.112  |    0.025    |   1.982   |
|   SPC40 RELATIVE TO SPC10       |    1.913  |    0.026    |   2.055   |
|   SPC60 RELATIVE TO SPC10       |    1.057  |    0.021    |   1.632   |
 -----------------------------------------------------------------------

III.
Comments: SPC 40 GPS receiver A failed on DOY 256 (MJD 56548) /1138 UCT. SPC 40 data since DOY 257 (MJD 56549) come from GPS receiver B.

NOTES: All DSN data are from the new multichannel receivers.
SPC 10 and SPC 60 offsets are commonviewed with USNO and with each other.
SPC 40 offsets are all-in-viewed with USNO and with SPC 10. 

FTS Contacts: Connie Dang (626)305-6194 :: Linh La (626)305-6184



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