Analiysis of GNSS-RTK instruments testing on the ISO 17123-8

Abstract

Prispevek obravnava poseben vidik razvijajočega se trga nepremičnin v Sloveniji, to je dejavnost trga nepremičnin. Slovenija nima tradicije na področju trga nepremičnin in njegovih analiz, saj je še pred dvema desetletjema imela socialistično ureditev in plansko gospodarstvo. Trg nepremičnin se je v Sloveniji začel razvijati s tranzicijo v tržno usmerjeno gospodarstvo v začetku devetdesetih let prejšnjega stoletja. Velik napredek je bilo zaznati v drugi polovici devetdesetih, ko je bil tudi opazen splošen gospodarski razvoj države. V raziskavi smo se osredotočili na analizo trga nepremičnin v obdobju 2000–2006, zaznamovanem z večjimi spremembami zakonodaje in drugih institucionalnih okvirov, ki neposredno ali posredno urejajo področje nepremičnin in pravic na nepremičninah. Na podlagi razpoložljivih tržnih podatkov, ki smo jih pridobili na Davčni upravi RS, smo proučevali razvoj trga nepremičnin v Sloveniji v obravnavanem obdobju, pri čemer smo analizirali predvsem dejavnost oziroma razvoj trga nepremičnin po statističnih regijah in vrsti nepremičnine. Rezultati kažejo splošen razvoj trga nepremičnin v Sloveniji v obdobju 2000–2006, ko so na njegovo delovanje pomembno vplivali institucionalni oziroma pravni dejavniki.GNSS-instruments (Global Navigation Satellite System) are the standard field surveying equipment (in addition to tachymeter and levels) for geodetic network establishment and detail surveying. As in the case of other geodetic instruments, it is essential to pre-analyse GNSS-receiver quality parameters, obtained from laboratory calibration and/or field testing of the specific instrument and/or measuring method. Thus, the relevance of the results, as indicated by manufacturer, is obtained that may explain the suitability of a specific GNSS-instrument for field measurements. In 2007, the International Organization of Standardization (ISO), Technical Committee 172, Subcommittee 6 (ISO/TC 172/SC6), presented a comprehensive GNSS field testing procedures for real time measurements, based on statistical evaluation and verification of the manufacturer\u27s hardware and firmware. The test can be performed anywhere on the field assuming that the test area includes minimal potential influences to GNSS measurements. At the same time, a test does not require any additional processing software, because the test data evaluation is based on elementary statistics. This paper presents the theoretical basis of GNSS instrument testing in accordance with the ISO 17123-8 guidelines and further examination of specific measurements on the selected site

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