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pro vyhledávání: '"R I Abbot"'
In January 1997 Telstar 401 unexpectedly failed and began to oscillate indefinitely as a drifting satellite in the populous geopotential well between 97 to 113 degrees west longitude. This highlighted the fact that over 250 active satellites now exis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c870fb596ea4435b3765194a63974f6e
https://doi.org/10.21236/ada400524
https://doi.org/10.21236/ada400524
Publikováno v:
Bulletin Géodésique. 58:211-221
The Macrometer Model V-1000 is a geodetic positioning instrument that uses the radio signals broadcast by the GPS satellites. The Macrometer is the only GPS user equipment commercially available that does not require any of the GPS codes. The Model V
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::da7664b1eeb2fdff75615b696a5492a0
https://doi.org/10.1007/bf02520902
https://doi.org/10.1007/bf02520902
Publikováno v:
The Astronomical Journal. 80:723
Observations of Saturn's satellites have been reduced by means of secondary reference stars obtained by reduction of Palomar Sky Survey plates. This involved the use of 29 SAO stars and plate overlap technique to determine the coordinates of 59 faint
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3193a735a3d1321162bbf37871b5d60c
https://doi.org/10.1086/111805
https://doi.org/10.1086/111805
Publikováno v:
The Astronomical Journal. 81:1007
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::777b1329c99f7e74baa5696c503ed5ec
https://doi.org/10.1086/111982
https://doi.org/10.1086/111982
Publikováno v:
The Astronomical Journal. 78:784
The processes used for the identification, filtering, and compression of McDonald Observatory lunar-laser ranging data are presented in sufficient detail to justify the confidence levels currently assigned to these data. The observational normal poin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de59edb10f591d3edf2e7d0176d68e06
https://doi.org/10.1086/111484
https://doi.org/10.1086/111484