INDEX 



Page 921 



Reference 



Kadio (in R.A. R.)— Continued. ^^- P^Se 

 technician (s) 



Chief .duties 6713 628 



duties 6713 628 



Qualifications 6713 628 



wave paths _. 6441 599 



Direct 6441 599 



Factors affecting 6441 599 



Ground 6441 599 



Range of 6441 599 



Reflected 6441 599 



Sky 6441 599 



Kadiolarian ooze 3848 306 



Radiophone(s) 



distance range 422 324 



Shore parties equipped with 1351 23 



Radius, turning (see Turning radius a7i(i 



U-turns) 

 Railroad car couplers (see Car couplers, railroad) 

 Range of sound transmission (see Sound trans- 

 mission range) 



Rangefinder(s) : 455 382 



Accuracy obtainable (table 10) 455 382 



Dimensions, in use 455 382 



Limiting distance in hydrography 336 227 



Method of use 455 382 



Use in buoy location 2531 120 



Use in referencing one sounding vessel to 



another.-. 3366 231 



Ranges 



Air photographs, on earth are also 



on 2394B(4) 103 



Coxswain to be trained in steering 3417 253 



Drift soundings, using 3664 284 



Floating marks used for 3345 225 



Lighted (see Ranges, navigation) 



Natural 



for use in determining compass deviation. _ 356 274 



for use in testing compasses, report on . 857 805 



recommended for navigation 356 274 



reported in Descriptive Report 8420 789 



Selecting range marks 356 274 



Symbolization on smooth sheet 7845 742 



Navigation 



Azimuthsof 3833 300 



Descriptive Report requirements S42P 790 



determined by hvdrographer 7845 742 



determined by three-point fix 3833 300 



Symbolization on smooth sheets 3833 300 



Coast Pilot requirements 916 837 



to be surveyed and descri bed 356 274 



R. A. R. distances between two buoys meas- 

 ured 



from ship between buoys 2533 122 



from ship beyond two buoys 2533 122 



Ship maneuvered on range between two 



buovs 2531 120 



Shoal development using 3662 283 



{3341 223 



3453 262 



Alternate method of numbering positions.. 3312 213 



Sounding lines, parallel, following 3141 198 



Finding ranges by sextant 3453 262 



Sounding lines, radiating, following 3142 199 



Rarefactions in acoustic medium 621 558 



Receiving units, acoustic (see also Magnetostric- 

 tive; Piezoelectric; Transmitting and 

 receiving unit; and under name of 



specific instrument) 5162 451 



Description 5162 451 



Frequency discrimination of 5162 451 



Function 511 438 



Purpose. 5162 451 



Tvnes |51«2 451 



types l^^^j,^ jg ^5.^ 



Reconnaissance 



General for planning project . 141 27 



survey, definition 394 309 



Triangulation 222 72 



Requirements 223 75 



Use of air photographs in 2221 74 



Recorder cabinet (see under name of specific 



instrument) 

 Recorder, hydrographic survey 



/3414 251 



: \811 757 



in R. A. R. surveys 6714 628 



I,eadline verfication by ■ 811 757 



Repetition of oral data 811 757 



Supervision of 3413 251 



Verification of unexpected depths 4623 386 



Recording (see Sounding Record) 

 Recording mechanism (see under name of speci- 

 fic instrurpent> 



Duties 



Reference 

 No. 

 Records (see also Reports) 



Confidential 



Care of 9337 



Reproduction of 9337 



General discussion of -.. 8 



Hydrographic survey 



Completion of 835 



Custody of , at Washington Office 931 



Deficiencies explained 835 



Inspection by Chief of Party 835 



listed in Descriptive Report 844o 



List required in Descriptive Report 842Z 



Miscellaneous ._ 83 



required (list) 8351 



Stamps, rubber, standard (list) 954 



transmitted promptly 835 



Importance of 8 



Inventory of required in Season's report 8515(0 



Shipment 8.36 



Sounding (see Sounding Records) 



Survey 



Field party's fuction in completing . . . 923 



forwarded promptly 922 



Processing Office's function in completing 



924 



I ransferred to Processing Offices _ 922 



Transm i t tal 836 



Numbering packages 836 



Recoverable stations 



Descriptions required 2142 



Frequency requirements 2141 



Recoverable t(ii]cigraphic stations (see Topo- 

 graphic stations, recoverable) 



Recovery note, triangulation station 2272 



Rectangular coordinates (see Plane coordinates) 

 Reducers (see Sounding corrections) 



Reduction of soundings 82 



Reef 



Coast Pilot requirements 916 



(1682f 



Definition -^7824 



|916 



{782 

 7824 



Reference books (list) _ .'. . . 953 



Reference marks 



Establishment 2263 



Moved , ho w to stamp disks 2263 



{551 

 5511 



Establishment 5511 



Reference station data verified by reviewer 9342« 



Reflection of sound (see also Echoes and Echo 

 soundings) 



Angle of 6221 



Bottom composition, effect on 5144 



Bottom configuration and material, effect 



on 6231 



Bottom slope, effect on 6231 



Diffuse 6233 



Factors affecting 5144 



Factors determining . 6221 



15145 

 from bottom slopes (see also Slope, bottom) -Scgo 



from density interfaces 5145 



from discontinuities 5145 



from kelp ^^''*^ 



from rigid surfaces. 



1571/ 



(6221 



--- Xfig- m 



Huygens' construction 6221 



in a heterogeneous medium 6231 



in a homogeneous medium 6221 



effect on transmission range 6221 



in a water medium _ 6221 



in deep water 6231 



Effect on transmission range 6231 



in shoal water 6231 



Laws governing 6221 



Multiple 6221 



Illustration of fig. 123 



Partial 6221 



Total 6221 



(6221 

 \6222 



Turbulence, sea surface, effect on 6231 



Refraction effect on hydrographic signals 272 



Refraction of sound 

 Angle of dependent on velocity in me- 

 dium 6222 



Conditions causing 6222 



Definition 6222 



Important factor in R.A.R 6222 



in a heterogeneous medium.. 6232 



in a homogeneous medium 6222 



in R.A.R. 



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