SCUBA 



SCUBA — (/S'elf-6'onbaine(i Z7nderwater breath- 

 ing Apparatus) Refers to several types of 

 'breathing apparatus by means of which a diver 

 carries his breathing medium with him and thus 

 is independent of surface conditions. 



Sg — Sprmg range. 



SHIP — Surface weather report from ship (WMO 

 Code FM 23C or FM 22C) . 



shoran — Short range Jiavigation (electronic posi- 

 tioning system). 



SHRED — Ship report in abbreviated form 

 (WMO Code FM 23C). 



SINS — -Sliips /nternal A^avigation /iSystem. 



sof ar — (Sound /ixing «nd ?'anging. 



SOMACO chart — ^.onar Magnetic 6'iontour chart. 



sonar — ,6'ound Tiavigation and ranging. 



SNAP — /S'ystems for A^uclear J^uxiliary Power. 



SOOP — xS'ubmarine 6'ceanographic (Observation 

 Program. 



SOA — (S'peed of advance. 



SPAR — (/Seagoing Platform for Acoustic .Re- 

 search) A 350-foot long tube (16-foot diam- 

 eter) partially submerged in a vertical position 

 used as a stable unmanned platform for conduct- 

 ing acoustic research. See FLIP. 



SPESH — Special weather report from a ship 

 (WMO Code FM26B). 



SPRC— (*S'elf-Pr9pelled Pobot Craft) A craft 

 capable of making detailed data recordings for 

 long distances in a horizontal plane along the 

 ocean's deeper levels. 



SST — Sea. surface temperature. 



STOR — (Scripps Tuiva 6'ceanographic /Research. 



S.T.P. — *S'tandard temperature and /pressure. 



STU— /S'ubmersible Test Unit. 



SVTP — (Sound Felocity, T'emperature, and Pres- 

 sure unit. 



SWM— ((Sliipboard TFave yJ/eter) An instru- 

 ment to record the wave situation at sea. 



SYNCOM — /Sy^ichronous Co^H.munications Satel- 

 lite. 



SYNOP — Surface weather I'eport from a land 

 station (WMO Code FM IIC) . 



TcHHW — Tropic /i-igher high water. 



TcHHWI — T^ropio Aigher high water mterval. 



TcHLW — T'ropic /higher Zow water. 



TcLHW — T'ropic Zower high water. 



TcLLW — 7'ropic fower Zow waAer. 



TcLLWI — Tropic lower low water mterval. 



TEMP SHIP — Upper level pressure, temperature, 

 humidity (possibly wind report) from a ship 

 (WMO Code FM36C). 



TENOC — {Ten Year Program in (Oceanography) 

 The basic planning document for U.S. Navy 

 oceanography. 



TOTO— Tongue Oi The Ocenn. 



T-S — Temperature-salinity. 



T-3 — Fletcher's ice island, Drift Station Bravo. 



UDT — f/nderwater /demolition Team. 



UHF — Uhrahiglx Frequency. 



UMP— f/pper Mantle Project. 



UNIS — f/^iderwater Television and /nspeotion 

 /System. 



USW — Z7ndei-sea IFarfare. 



UTS — (f/nderwater Telephone (System) A dur- 

 able sonar system enabling surface ships or sub- 

 marine to communicate with one another via 

 sound waves. 



VAMP — T'isual-Acoustic-il/agnetic Pressure. 



VDS— Fariable T>epth (Sonar. 



VHF — Fery High Frequency. 



VLF — Fery Tow Frequency. 



WATEN— Wave tendency report (WMO Code 

 FMllCandFM16A). 



WAVES — Actual height of waves when height 

 is o\'er 9% meters ni reports from ships and 

 coastal stations. 



WBAN — (TFeather bureau. Air Force, and 

 A^ivy) Term used to denote observational in- 

 structions or forms that are common to the three 

 principal meteoroloeical agencies in the United 

 States. 



WE CON — Controlled weather information in time 

 of war or emergency. 



WMO — TForld yl/eteorological (Organization. 



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