[Difx-users] New location for the EOP files

[Leonid Petrov]

Folks,

   There is an alterntive way to take upto date EOP files:
using the Network Earth Rotation Service. In particular,
one can the EOP file compatibly with Calc, by using this
Python3 program:

   http://earthrotation.net/ners/ners_to_erp.py

Leonid
2019.05.04_13:05:06


On 2019-05-02 22:22, Gordon, David (GSFC-61A.0)[NVI INC] wrote:
> DiFX users:
> 
> After several months of delays, we have finally gotten a new host for
> the EOP
> 
> files, usno_finals.erp and usno500_finals.erp. They are now going to
> the CDDIS
> 
> data center. You can get them either using anonymous ftp:
> 
> ftp cddis.gsfc.nasa.gov
> 
> and cd to:
> 
> cd vlbi/gsfc/ancillary/solve_apriori
> 
> or you can use a web browser:
> 
> ftp://cddis.gsfc.nasa.gov/vlbi/gsfc/ancillary/solve_apriori [1]
> 
> They are now being generated on a different computer at 11:00 PM
> 
> local time at GSFC (Eastern Daylight Time) or 03:00 UTC and
> transferred
> 
> to cddis shortly afterwards. Previously they were generated at 4:30 AM
> 
> 
> local time (8:30 UTC). As such, they will look a little different,
> with the
> 
> previous day's time stamp, and different first and last dates, but
> with the
> 
> same 'Last date with real data:'.
> 
> Hopefully the new system will be robust, but let me know if you have
> 
> any problems. I want to thank Walter Brisken and NRAO for hosting
> 
> these files for the last few months.
> 
> David Gordon
> 
> GSFC VLBI Analysis Center
> 
> 
> 
> Links:
> ------
> [1] ftp://cddis.gsfc.nasa.gov/vlbi/gsfc/ancillary/solve_apriori
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