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VLA to NIST

Very Large Array to NIST clock corrections (TEMPO2)

This file is pulled from the TEMPO2 repository and may not be fully up-to-date.

   
File T2runtime/clock/vla2nist.clk
Authority temporary
URL in repository https://raw.githubusercontent.com/ipta/pulsar-clock-corrections/main/T2runtime/clock/vla2nist.clk
Original download URL https://bitbucket.org/psrsoft/tempo2/raw/HEAD/T2runtime/clock/vla2nist.clk
Format tempo2
Bogus last correction False
Clock file start 1990-10-27 MJD 48191.2
Clock file end 1993-11-13 MJD 49304.0
Update interval (days) 7
Last update attempt 2025-09-15
Last update result Unchanged

Log entries from the last few update attempts:

2025-07-14 20:44:49.797 - Unchanged
2025-07-21 20:45:21.512 - Unchanged
2025-07-28 20:46:14.850 - Unchanged
2025-08-04 20:47:13.918 - Unchanged
2025-08-11 20:42:43.799 - Unchanged
2025-08-18 20:41:30.192 - Unchanged
2025-08-25 20:42:23.113 - Unchanged
2025-09-01 20:38:21.833 - Unchanged
2025-09-08 20:40:28.725 - Unchanged
2025-09-15 20:38:13.612 - Unchanged

Full log

Leading comments from clock file:

# From old tempo time_vla.dat:
# awk '$1<50000 {printf("%11.5f %10.5e\n",$1,($3-$2)/1.e6)}' time_vla.dat
#  > $TEMPO2/clock/vla2nist.clk
#

All clock corrections:

plot of all clock corrections

Recent clock corrections:

plot of recent clock corrections