A5001365012- GNSS positioning and interference
- Geophysics and Gravity Measurements
- Space Satellite Systems and Control
- Inertial Sensor and Navigation
- Ionosphere and magnetosphere dynamics
- Advanced Frequency and Time Standards
- Astro and Planetary Science
- Space exploration and regulation
- Geology and Environmental Impact Studies
- Astronomical Observations and Instrumentation
- Laser-induced spectroscopy and plasma
- Network Time Synchronization Technologies
- Historical Geography and Cartography
- Advanced Computational Techniques and Applications
- Botany and Plant Ecology Studies
- Optical Systems and Laser Technology
- Energy Efficient Wireless Sensor Networks
- Integrated Water Resources Management
- NMR spectroscopy and applications
- Transportation Safety and Impact Analysis
- Mobile Agent-Based Network Management
- Advanced MRI Techniques and Applications
- Infrared Target Detection Methodologies
- Scientific Measurement and Uncertainty Evaluation
- Geomagnetism and Paleomagnetism Studies
Polish Academy of Sciences
2007-2024
Centrum Badań Kosmicznych
2011-2024
Military University of Technology in Warsaw
2014
Abstract The (TOPography EXperiment) TOPEX/Poseidon (T/P) altimetry mission operated for 13 years before the satellite was decommissioned in January 2006, becoming a large space debris object at an altitude of 1,340 km. Since end mission, interaction T/P with environment has driven satellite's spin dynamics. Satellite laser ranging (SLR) measurements collected from June 2014 to October 2016 allow axis orientation be determined accuracy 1.7°. coincides platform yaw (formerly pointing nadir...
The LARES (LAser RElativity Satellite) was built by the Italian Space Agency (ASI) and launched on 13 February 2012 European Agency. It is intended for studying Lense–Thirring effect resulting from general relativity as well geodynamic studies satellite geodesy. observed most ground laser stations. task of this work to determine station coordinates assess quality their determination comparison with results LAGEOS-1 LAGEOS-2 satellites. Observation in form normal points (396,105 total) were...
A conceptual study has been carried out on laser station networks to enhance Space Situational Awareness and contribute collision avoidance in the low Earth orbit by high-precision tracking of debris objects momentum transfer via photon pressure from ground-based high-power lasers. Depending network size, geographical distribution stations, parameters, remaining time conjunction, multipass irradiation enhances efficiency coupling 1-2 orders magnitude potential eventually yield a promisingly...
Abstract In 2014, a significant upgrade was made to the Borowiec (BORL 7811) laser-ranging system, which is part of Space Research Centre Polish Academy Sciences (SRC PAS). Two high-energy lasers modules were installed. First EKSPLA PL-2250, used for tracking objects equipped with retroreflectors. Second Continuum Surelite III, dedicated space debris without 2016, BORL station joined laser group and, since then, systematically inactive/defunct satellites and typical rocket bodies from LEO...
This paper presents the results of an orbital analysis satellite laser ranging data performed by Borowiec SLR station (7811) in period from July 1993 to December 2019, including determination positions and velocity. The was using GEODYN-II program for independent monthly arcs LAGEOS-1 LAGEOS-2 satellites. Each arc created observations a dozen or so selected stations, which were characterized large number normal points good quality observations. geocentric topocentric coordinates analyzed....
The laser station (BORL) owned by the Space Research Centre of Polish Academy Sciences and situated at Astrogeodynamic Observatory in Borowiec near Poznań regularly observes more than 100 different objects low Earth orbit (LEO) medium (MEO). BORL sensor’s observation range is from 400 km to 24,500 km. measurements taken sensor are utilized create various products, including geocentric positions movements ground stations, satellite orbits, components Earth’s gravitational field their changes...
This paper deals with the analysis of local Love and Shida numbers (parameters h2 l2) values Australian Yarragadee Mount Stromlo satellite laser ranging (SLR) stations. The research was conducted based on data from Medium Earth Orbit (MEO) satellites, LAGEOS-1 LAGEOS-2, Low (LEO) STELLA STARLETTE. Data a 60-month time interval, 01.01.2014 to 01.01.2019, used. In first stage, were determined separately observations each satellite; obtained h2, l2 exhibit high degree compliance, differences do...
In this work the clock parameters determination of several timing receivers TTS-4 (AOS, PL), ASHTECH-Z-XII3T (PTB, USNO) and SEPTENTRIO POLARX4TR (ORB,) by use Precise Point Positioning (PPP) technique were presented. The determined for time links based on data delivered frequency laboratories mentioned above. computations cover period from June 1 2012 to May 31, 2013 performed in two modes with 7-day one-month solution all links. All RINEX files which include phase code GPS recorded...
Abstract In this paper, the results of orbit determination two Chinese rocket bodies from low earth (LEO) regime based on picosecond laser measurements provided by one sensor are presented. A new approach was implemented that involved using a set single known as full-rate instead normal points. The computation strategy applied three different scenarios, and several key parameters such root mean square (RMS), RMS position (RMSPOS), velocity (RMSVEL), alert time were determined. obtained...
The main goal of OPTIME project is to design and create an infrastructure for a long range dissemination system transfer ultraprecise time scale reference frequency signals in telecommunication networks. based on three elements: laboratories, local repositories fiber optical network with specialized transmission equipment transfers between end-users. This article describes all elements particular emphasis repositories. Moreover this also experience gained during more than two years...
The paper presents the method of GNSS (Global Navigation satellite System) permanent stations control by monitoring local ties between and SLR (Satellite Laser Ranging) stations.Co-locations are defined as two or more instruments occupying very close locations, which precisely surveyed ground measurements in all three dimensions.The vector determined classical methods is called a tie.Every change position obviously results tie value.The comparison independent stations' coordinates enable to...
This paper concerns determination of clock readings and position two geodetic receivers: TRIMBLE NetRS TTS-4, connected to the same antenna Dorne Margolin choke ring type (IGS BOR1 point) with usage precise point positioning (PPP) technique.The TTS-4 receiver was constructed provided its software by time frequency team from Borowiec Astrogeodynamical Observatory (AOS).Parameters clocks coordinates were determined for period 1 30 April 2011.The collected data in RINEX format include code...
Abstract Satellite Laser Ranging (SLR) is a modern technique used in various research areas and applications related to geodesy geodynamics. It commonly for tasks such as establishing the International Terrestrial Reference Frame (ITRF), monitoring Earth Orientation Parameters (EOP), determining geocenter, measuring fundamental physical constants, calibrating microwave tracking techniques, conducting time transfer experiments, studying gravitational general relativistic effects. measurements...
The paper assesses the quality of satellite laser ranging stations that were operational in 2020. assessment is based on results obtained from LAGEOS-1 and LAGEOS-2 satellites between 2011 In 2020, 41 SLR conducted observations both LAGEOS satellites. Out these stations, 20 had been making for ten years, while some started their during this period, resulting a shorter observation period. NASA's GEODYN-II orbital software was used to compute orbits fifteen core stations. accuracy each station...
This paper presents an analysis of how object’s position above the horizon affects laser measurements obtained in station Borowiec. The objects used for this were active satellites from LEO (Low Earth Orbit) and MEO (Medium regimes, as well space debris regime. data spanned second half 2016 to first 2023. results tests performed at BORL indicate that objects, it is least effective make observations when object close zenith, i.e. 80–90 degrees horizon. highest returns are elevation 20–39...