They could be using the RDC app for iPad or Slapshot. We've used both with Expedition on a TP52.
https://apps.apple.com/us/app/remote-desktop-mobile/id714464092
https://apps.apple.com/us/app/splashtop-personal/id382509315
might be worth a look...
https://marinehowto.com/
https://marinehowto.com/lifepo4-batteries-on-boats/
https://marinehowto.com/category/electrical/batteries/
2020 HOOK Race Entry (LIMITED TO THE FIRST 100 BOATS).RACE LIMIT REACHED!!!
FILL OUT TO BE PUT ON THE WAITING LIST ONLY!!!
https://www.racineyachtclub.org/hook-registration
Chicago NOOD, originally slated for June 12-14, 2020 has been officially postponed
https://yachtscoring.com/event_documents/9674/2020%20Chi%20Postpone%20Letter.pdf