[IGSMAIL-6801] Update on IGS timescale & resubmission of IGS Rapid Combination (IGR): 1750 3

[Jake Griffiths - NOAA Federal]

Author: Analysis Center Coordinator

Dear Colleagues,

While the AC equipment at U.S. NRL is still under repair, our
colleagues there have managed to cool the timescale server rooms with
large fans. We believe this temporary solution will manage the room
temperature as the AC equipment is repaired, and so the timescale
processes can resume. Thus, the product files:

igr17503.clk
igr17503.cls
igr17503.sp3

were replaced using the clock products re-aligned to the IGS Rapid
timescale.

The clock differences between all satellites and stations within each
epoch are identical with the old clock products and therefore precise
point positioning results and other purely geodetic applications will
not be affected by this change.  Only the timescale of the clocks is
affected.

The Final products will be released later today with the clocks
aligned to the IGS Final timescale, as usual.

FYI,
jake



On Jul 25, 2013, at 12:43 PM, Jake Griffiths - NOAA Federal <jake.griffiths at noaa.gov> wrote:

> Author: Analysis Center Coordinator
> 
> Dear Colleagues,
> 
> AC equipment at the U.S. Naval Research Laboratory has failed
> and is under repair. We hope the repairs will be done today, but
> they could take up to several days. In the meantime, the IGS
> timescale processes will be unavailable starting today. The IGS
> Rapid and Final clock products will be re-aligned after the repairs
> are complete. A follow-up notice will be sent upon release of the
> re-aligned products.
> 
> Apologies for any inconvenience this unexpected outage causes.
> 
> Best regards,
> jake
> 
> -- 
> Jake Griffiths
> Geodesy & Geodynamics
> IGS Analysis Coordinator
> NOAA National Geodetic Survey
> 1315 East-West Highway, N/NGS22
> Silver Spring, MD 20910 USA
> 
> p: (301) 713-3205  ext.153
> f: (301) 713-4324
> e: jake.griffiths at noaa.gov