FTS Report on DOY 286 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 57663 276 0.391 2.141 -0.213 1.749 -0.602 57664 277 0.404 2.140 -0.196 1.736 -0.597 57665 278 0.419 2.141 -0.181 1.722 -0.596 57666 279 0.432 2.138 -0.166 1.707 -0.595 57667 280 0.438 2.138 -0.151 1.701 -0.586 57668 281 0.449 2.136 -0.134 1.687 -0.581 57669 282 0.465 2.135 -0.116 1.670 -0.579 57670 283 0.482 2.136 -0.099 1.654 -0.578 57671 284 0.497 2.135 -0.083 1.637 -0.578 57672 285 0.512 2.134 -0.069 1.622 -0.579 57673 286 0.521* 2.133* -0.052* 1.612* -0.571* 57674 287 0.534* 2.132* -0.036* 1.598* -0.568* 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 57663 to 57672 ----------------------------------------------------------------------- | | DELTA-F/F | UNCERTAINTY | STD. DEV. | | MEASUREMENT | (E-13) | (+/- E-13) | (nsec.) | |---------------------------------|-----------|-------------|-----------| | SPC10 RELATIVE TO UTC(USNO) | 1.521 | 0.046 | 3.560 | | SPC40 RELATIVE TO UTC(USNO) | -0.091 | 0.010 | 0.765 | | SPC60 RELATIVE TO UTC(USNO) | 1.867 | 0.018 | 1.372 | | SPC40 RELATIVE TO SPC10 | -1.613 | 0.044 | 3.388 | | SPC60 RELATIVE TO SPC10 | 0.340 | 0.038 | 2.959 | ----------------------------------------------------------------------- III. Comments: On DOY 279 (MJD 57666) SPC 10 HM2 (HM 262) was switched to be online maser. 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 Page 1