AUTHOR=Chakraborty Suman , Rae Iain Jonathan , Killey Shannon , Ojha Biswajit , Watt Clare E. J. , Potts Charles , Irving Eleanor , Elliott Gina , Johnson Katherine , Mohammed Nathanial , Gupta Tara , Slater Thomas , Liu Xingyang , Cheng Yike TITLE=Statistical survey of pitch angle anisotropy of relativistic electrons in the outer radiation belt and its variation with solar wind/geomagnetic activity JOURNAL=Frontiers in Astronomy and Space Sciences VOLUME=11 YEAR=2024 URL=https://www.frontiersin.org/journals/astronomy-and-space-sciences/articles/10.3389/fspas.2024.1474503 DOI=10.3389/fspas.2024.1474503 ISSN=2296-987X