@misc{Angelopoulos_Russell_2023, title={Petersburg (PTRS) Ground-based Vector Magnetic Field (L2) 0.5 s Data}, url={https://hpde.io/NASA/NumericalData/THEMIS/Ground/Petersburg/Magnetometer/PT0.5S.html}, DOI={10.48322/B066-PR48}, abstractNote={Petersburg, AK, Ground-based Vector Magnetic Field Level 2 Data, 0.5 s Time Resolution, Station Code: (PTRS), Station Location: (GEO Latitude 56.8, Longitude 226.8), THEMIS EPO/UCLA Network}, publisher={NASA Space Physics Data Facility}, author={Angelopoulos, Vassilis and Russell, Christopher T.}, year={2023}, language={en} }