****************************************************************************** dorismail 05-Jul-2007 19:16:57 Message No 0505 ****************************************************************************** Author: "Jim.Ray" Subject: revision of IERS Conventions Chapter 9 This is a multi-part message in MIME format. --Boundary_(ID_P04ZKP+Yl4gf5VXshPb1Zg) Author: Jim Ray (IERS Conventions Advisory Board) Please note that a new version of IERS Chapter 9 on tropospheric models was posted on 28 June 2007. The text was completely rewritten, thanks mainly to J. Boehm, G. Hulley, A. Niell, and E. Pavlis In addition, a new set of subroutines is available: * FCUL_a.f - Function to compute the global total FCULa mapping function for SLR analyses, dependent on latitude, height, and surface temperature. Provided by V. Mendes. * FCUL_b.f - Function to compute the global total FCULb mapping function for SLR analyses, dependent on latitude, height and day of year. Provided by V. Mendes. * fcul_ztd_hPa.f - Subroutine to compute the Mendes-Pavlis zenith total delay, for optical wavelengths, valid for infrared to ultraviolet. Provided by V. Mendes. * gmf.f - Subroutine to compute the Global Mapping Functions, GMF, for radio techniques. Provided by J. Boehm. * vmf1.f - Subroutine to compute the Vienna Mapping Functions 1, VMF1, to be used with "a" coefficients computed for a given site. Provided by J. Boehm. * vmf1_ht.f - Subroutine to compute the Vienna Mapping Functions 1, VMF1, with height corrections, to be used with "a" coefficients computed for a grid. Provided by J. Boehm. * gpt.f - Subroutine to compute the Global Pressure and Temperature, based on Spherical Harmonics up to degree and order 9. Provided by J. Boehm. Please refer to the IERS Conventions update website: http://tai.bipm.org/iers/convupdt/convupdt_c9.html --Boundary_(ID_P04ZKP+Yl4gf5VXshPb1Zg) Author: Jim Ray (IERS Conventions Advisory Board)

Please note that a new version of IERS Chapter 9 on tropospheric
models was posted on 28 June 2007.  The text was completely
rewritten, thanks mainly to J. Boehm, G. Hulley, A. Niell, and E. Pavlis

In addition, a new set of subroutines is available:

* FCUL_a.f - Function to compute the global total FCULa mapping
function for SLR analyses, dependent on latitude, height, and surface
temperature. Provided by V. Mendes.
* FCUL_b.f - Function to compute the global total FCULb mapping
function for SLR analyses, dependent on latitude, height and day of year.
Provided by V. Mendes.
* fcul_ztd_hPa.f - Subroutine to compute the Mendes-Pavlis zenith total
delay, for optical wavelengths, valid for infrared to ultraviolet. Provided by
V. Mendes.
* gmf.f - Subroutine to compute the Global Mapping Functions, GMF,
for radio techniques. Provided by J. Boehm.
* vmf1.f - Subroutine to compute the Vienna Mapping Functions 1,
VMF1, to be used with "a" coefficients computed for a given site.
Provided by J. Boehm.
* vmf1_ht.f - Subroutine to compute the Vienna Mapping Functions 1,
VMF1, with height corrections, to be used with "a" coefficients computed
for a grid. Provided by J. Boehm.
* gpt.f - Subroutine to compute the Global Pressure and Temperature,
based on Spherical Harmonics up to degree and order 9. Provided by
J. Boehm.

Please refer to the IERS Conventions update website:
http://tai.bipm.org/iers/convupdt/convupdt_c9.html

--Boundary_(ID_P04ZKP+Yl4gf5VXshPb1Zg)--