Scholarly record

NEW NAVITEQ GNSS SUB - NETWORK OF PERMANENT STATIONS

I. Ivanova, J. Jeliaskov

Abstract

NAVITEQ establishes the first nationwide GNSS network in Bulgaria. It is a private project that offers an inexpensive way of precise positioning by transmitting correction data. The main purpose is to provide services to GNSS users that need centimeter and sub-centimeter accuracy. NAVITEQ provides three types of services called Naviteq Post Processing, Naviteq VRS and Naviteq PreciseRTK. There is another service in real time mode that is under development. The NAVITEQ reference stations positions are determined in the EUREF based National Reference Frame realized by the National GPS Network. (ETRS89, ETRF2000, epoch 2005.0.) In March this year NAVITEQ network was further extended by a new reference station situated in Rakovski town near Plovdiv. Because of the higher economic interest in the Eastern part of Bulgaria, NAVITEQ currently develops there a second part of the GNSS network. The next step is to join both parts of the network and cover the entire country. The expected overall network coverage by September 2008 is about 50\% of the national territory. The GNSS network services offered by NAVITEQ are used in different professional fields such as geodesy, cadastre, photogrammetry, civil engineering, designing, communications, utilities and any other fields where users need high accuracy and efficiency.

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