Arthur Niell held an informative talk for the US NASA Goddard group (virtually) on 15 June 2021, on VLBI ties at the Kōkeʻe Park Geophysical Observatory (KPGO) station in Hawaii.
The seminar was recorded; the talk and accompanying slides are available for download here.
slides (PDF): 20210615_VLBITies_ArthurNiell.pdf
seminar video (MP4): 20210615_VLBITies_ArthurNiell_2.mp4