[IGSMAIL-3849]: Revised antenna.gra file

[Angelyn W. Moore]

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IGS Electronic Mail      30 Apr 17:15:34 PDT 2002      Message Number 3849
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Author: Angelyn Moore

Dear Colleagues,

The revised compilation of ASCII antenna graphics is now available
in the familiar location:
ftp://igscb.jpl.nasa.gov/pub/station/general/antenna.gra

(the previous file is found for the time being at
ftp://igscb.jpl.nasa.gov/pub/station/general/antenna.gra.pre020430 
in case it is needed)

Additionally, at the end of the new antenna.gra file, there is a 
quick-reference section for which Antenna Reference Point (ARP) is
correct for each antenna type.

The file will be kept current for antennas used in the IGS, and in
agreement with the phase center offsets listed in 
ftp://igscb.jpl.nasa.gov/pub/station/general/igs_01.pcv

Site operators should utilize these graphics in completing IGS 
site logs.

Many thanks to those who have provided assistance in compiling
these graphics and phase center calibrations.  If you have any 
questions or difficulties please let me know.

Best regards,
Angie
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Angelyn W. Moore, Ph.D.              Deputy Director, IGS Central Bureau 
 JPL/Caltech                                 Angelyn.W.Moore at jpl.nasa.gov
 4800 Oak Grove Dr. MS 238-540                     voice: +1 818 354 5434 
 Pasadena CA 91109 USA   http://igscb.jpl.nasa.gov   fax: +1 818 393 6686