Quartermaster, which builds a SmartMast for ships to relay real-time maritime data, raised a $140M Series B, with $100M in equity, after a $43M Series A in May (Sean O'Kane/TechCrunch)

Sean O'Kane / TechCrunch: Quartermaster, which builds a SmartMast for ships to relay real-time maritime data, raised a $140M Series B, with $100M in equity, after a $43M Series A in May — Arlington, Virginia-based startup Quartermaster in May closed a $43 million Series A around its idea of using…