The following articles offer insight to various vessel tracking technologies:
“The Emerging World of Vessel Tracking” – Capt. Ed Page, USCG (Ret.), Port Technology International
“Vessel Tracking Systems Provide Key Information, but the Need for Duplicate Data Should Be Reviewed” – Government Accounting Office (GOA) report, March 2009.
“Ports of Opportunity” – Alice Lipowicz, Washington Technology
“Vessel Traffic, Accidents, and Spills in the Aleutians” – The National Academies Press