C4ADS produced a fantastic report on this. They used AIS data (the system ships use to broadcast location) to document boats that were anchor down, yet had dram

C4ADS produced a fantastic report on this. They used AIS data (the system ships use to broadcast location) to document boats that were anchor down, yet had dramatic shifts in their reported location when Putin's motorcade was nearby. https://static1.squarespace.com/static/566ef8b4d8af107232d5358a/t/5c99488beb39314c45e782da/1553549492554/Above+Us+Only+Stars.pdf https://static1.squarespace.com/static/566ef8b4d8af107232d53...