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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 2025-06-02
Last update result Unchanged

Log entries from the last few update attempts:

2025-01-15 20:34:58.806 - Unchanged
2025-01-22 20:35:00.312 - Unchanged
2025-01-29 20:35:41.255 - Unchanged
2025-02-05 20:37:02.844 - Unchanged
2025-02-12 20:36:28.005 - Unchanged
2025-05-05 14:30:54.936 - Unchanged
2025-05-12 20:38:45.971 - Unchanged
2025-05-19 20:42:10.805 - Unchanged
2025-05-26 20:41:02.156 - Unchanged
2025-06-02 20:43:45.855 - 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