1100
December 2014
PHOTOGRAMMETRIC ENGINEERING & REMOTE SENSING
systems and 11 simple triangles – together 47 triangles
withch connect 33 stations. It is computed on the ellipsoid
of Everest 1830 with the datum of Kalianpur. The Indian
Datum of 1916 origin at Kalianpur Hill Station is: Φo = 24º
07’ 11.26” North, Λo = 77º 39’ 17.57” East of Greenwich. The
defining azimuth at the point of origin to station Surantal is:
αo = 190º 27’ 05.10”. The ellipsoid of reference is the Everest
1830, where
a
= 6,377,276.345 meters, and
1 /f
= 300.8017.
“In order to make the comparison, Russian coordinates of
Tashkent Datum and Bessel ellipsoid for the tie points: Beik
(Sarblok) φ = 37º 18’ 48.28” N, λ = 44º 44’ 56.81” E, α = 248º 12’
53.7” to Ak-turuk-tau (Kuhtek), and Ak-turuk-tau (Kuhtek)
φ = 37º 17’ 22.29” N, λ = 44º 40’ 27.80” E, α = 68º 10’ 10.7” to
Beik were converted by Helmert’s formulae
(Jordan-Eggert
Handbuck der Vermessungskunde Vol. iii/1923 pg. 737)
to
the ellipsoid of Everest
(Triangulation in Turkestan and its
Connection with India, Andrew M. Glusic, Army Map Service
Technical Report No. 21, February 1957, 100 pages). (Note
that the resultant disparities of Russian Tashkent datum
minus British Kalianpur datum for Beik (Sarblok) were:
Δφ
= –10.73”,
Δλ
= –5.22”,
Δα
= –16.9”, and for Ak-tutuk-tau
(Kuhtek) were:
Δφ
= –10.77”,
Δλ
= –5.29”,
Δα
= –16.8” – Ed.).
Significant progress in geodetic surveying activities and
cadastral mapping has been accomplished in the 21 st century
including high resolution satellite imagery referenced to the
ITRF2005 on the UTM Grid System
(Transfer of Technology
for Cadastral Mapping in XXXIX-B6, 2012 XXII ISPRS
Congress, 25 August – 01 September 2012, Melbourne,
Australia.).
The contents of this column reflect the views of the author, who is
responsible for the facts and accuracy of the data presented herein.
The contents do not necessarily reflect the official views or policies of
the American Society for Photogrammetry and Remote Sensing and/
or the Louisiana State University Center for GeoInformatics (C
4
G).
STAND OUT FROM THE REST
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ASPRS congratulates these recently
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RECERTIFIEDPHOTOGRAMMETRISTS
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effective Oct 31, 2014, expires Oct 31, 2019
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effective Oct 31, 2014, expires Oct 31, 2019
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effective Oct 31, 2014, expires Oct 31, 2019
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effective Oct 31, 2014, expires Oct 31, 2019
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