navigatsioonisüsteemid. Need on arvutipõhised merereisi planeerimise ja jälgimissüsteemid, mis tavaliselt sisaldavad vähemalt kahte juht- või kontrollarvuti tööjaama, mis on omavahel ühendatud LAN-võrgu kaudu. Tüüpiline selline süsteem on toodud joonisel 1: Joon 1. Nagu illustratsioonilt näha kuuluvad ,,Kelvin Hughes MantaDigital" süsteemi järgmised navigatsiooniseadmed: - Logi Speedlog - Tuulemõõtja Anemometer - Vurrkompass Gyro - Kajalood Echo Sounder - Automaatrool Autopilot - GPS/AIS - 2 radarit - Radar 1, Radar 2 - Silla keskjuhtimispult kuvariga Conning Display - Elektrooniline kaart ja navigatsiooniinfo seade ECDIS - Dubleerivad kuvarid silla mõlemas pardas Bridge Wing Port & Starboard - Merereisi planeerija Rout Planner Süsteemis on eraldi navigatsioonijaam (Chart Data), teekonna planeerimisjaam (Rout Planner) ja tööjaam vahetugs meresõidu juhtimiseka (Conning Station & Display).
..................................................................................72 NIS 2002 MkII AIS ...................................................................................................................73 MX420 series GPS/DGPS navigator .........................................................................................74 SEM200 track Keeping Autopilot .............................................................................................75 Navigation Echo Sounder GDS 101 ..........................................................................................76 Ocean Magnetic Compass Systems ...........................................................................................77 NDR2002 Voyage Data Recorder .............................................................................................78 4 LAEVA ANDMED, VAHITEENISTUS, LASTIKÄSITLUS, PÜSTUVUS,
to Mariners, New Editions, Replacement. Sensors Positioning Gyrocompass Primary positioning Magnetic compass Secondary positioning interface ARPA interface (Input/ Speed Log Output) Wind interface ARPA (2nd ARPA) Drift calculation interface Temperature Echo sounder interface UAIS transponder interface Output Navtex Manager navigational data Radar Integrator Board autopilot data current course segment transmission Navigation databases Tides and tidal currents Seasonal currents Weather forecast chart overlay Potential Errors in Marine Navigation On a number of occasions chart data, particularly in canals,
the trawl opening. Regarding the rigging, for getting the correct vertical opening, groups of floats or buoys are often attached to each of the upper wings, the headline extremities and weights are hung at the extremities of the two lower wings or a few meters before them. The distance between the two pair trawlers and the towing speed are also very important element for the trawl opening. In general, a netsounder (vertical echo-sounder fixed on the trawl itself) is used to control the opening of the trawl and its position versus the surface or the bottom. 92 · 09.september lõpp 93 1. Searching for fish : The first part of the operation is the search for fish, by means of echo-sounder and sonar. 2. Setting the net (Traalnooda püügile asetus) : Once a school of fish is located, and its size
by a pretty boy that had on him a handsome peasant’s belt and forced to scratch his head a little. She did so, and while she was so engaged she was,without her knowledge, fastened to him by his belt, but the rubbing of her hand set him to sleep. Meanwhile a woman passed by, who came up and asked the girl what she was doing there. She told her the whole matter, and as she was speaking she freed herself from the belt.The boy,however,slept sounder than ever and his mouth was wide open. The woman who had come nearer cried at once, Ha! that’s a Näkki (Neck), see his fish ’s teeth! The Neck instantly vanished.” (Keightley 1850:290) 11 Tänapäeva eesti inimese kujutlus haldjast ehk kes haldjas on olnud ja kelleks ta on saanud 2. HALDJATE TEKKEST Küsitluse tulemuste põhjal saab öelda, et küsimusele kuidas ja millest haldjad võiks tekkinud
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