If you ride onboard with any driver on the F1 TV app, you'll often hear engineers acting as 'spotters' for drivers as they tell them the gap to other cars on track. This is to ensure they can build up enough space before a lap so they do not encounter traffic, while also staying out of the way of drivers who are on a hot lap as the closing speeds can be quite fast. When FP1 in Melbourne was red flagged due to an issue with the GPS tracker, teams and drivers were effectively in the dark. What ensured was…