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- W2909344202 abstract "The small radio telescopes SALSA (“Such A Lovely Small Antenna”) refers to thesystem consisting of two (2.3m) radio telescopes located at the Onsala Space Observatoryand built with the aim of introducing students to the world of radio astronomy.In this project, SALSA has been extended with the possibility of trackingsatellites that are part of the Global Navigation Satellite Systems (GNSS). This newfeature of SALSA allows to carry out observations in an automatic fashion and storeall the necessary information for subsequent data analysis. The latter stage aims atderiving important satellite-based parameters, namely the transmit power of GNSSsatellites as well as their antenna gain patterns. Good knowledge of transmit powerof GNSS satellites is required for an enhanced GNSS orbit modelling and GNSSorbit determination. In addtion, satellite antenna gain patterns are vital for thecallibration of data from GNSS reflectometry (GNSS-R).The following report describes the technical specifications, system calibration procedureand measurement performance of SALSA with emphasis on the hardwaremodifications and software tools required to upgrade an uncalibrated system designedfor astronomical observations at 1.4 GHz to a system that can be utilizedfor satellite observations at frequencies between 1 and 2 GHz. This project canform a foundation of a new routine service, regularly monitoring GNSS signals andproviding users with the aforementioned satellite-based products." @default.
- W2909344202 created "2019-01-25" @default.
- W2909344202 creator A5086600397 @default.
- W2909344202 date "2018-01-01" @default.
- W2909344202 modified "2023-09-23" @default.
- W2909344202 title "Monitoring GNSS transmit power with small radio telescopes" @default.
- W2909344202 hasPublicationYear "2018" @default.
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