Description

"A Review of the Factors Affecting the Reliable Performance of Underwater Acoustic Positioning Systems," by Martin L. Clegg, The Hydrographic Journal, no. 18, Aug. 1980; Marine Telepresence Inc. SHARPS: Sonic High Accuracy Ranging and Positioning System product data; Letter to Bill Key from Douglas D. Smith, dated 4/1/1988 with QUILS II product data & "Q-Route Surveillance Systems Using Commercial Survey Hardware," by Douglas D. Smith & Phillip Howells, Meridian Ocean Systems; Qubit Trac Record, Second Quarter 1988