8133 HYDROGRAPHIC MANUAL PaGE 760 



of the index, and the registration of the transmitted signal at the beginning of the day. 

 Reference shall be made to the pages and volumes where bar checks (see 557) and speed 

 counts (see 555) applicable to the day's work are recorded. 



Wlien a sounding machine is used, the sheave factor (see 4641) and the date it was 

 determined shall be entered. 



No. 33 SOUNDING APPARATUS 



Fathometer.^P.Tfi?.^. Model. . A No. . .•!?. Cal. Vel ..?.?.<?. . .Fm/Sec. 



Initial, set... /.( .f.t:. .. . reading (shoalest edge) (Q..f -Fm. Ft. 



Transceiver „ .^ 



Oso No < deplh.... '.■<... Ft. Hyd. No depth Ft. 



Bar check, pp Vol Speed count, pp Vol 



Sounding Mach No. . . .?? Location .■S'f .A?';. .^iV."^. . .'^?,''.?(. Sheave No.-Y.^.^. 



Sheave factor. .''. 9.^. 5.<?. .From test /I P.':. 'J. ^.^ 19.'^.'?. . . 



Leadline No K Graduated in. . . . C,?.'^. t. 



Leadline comparison on page . . . .t.^ Vol T 



Figure 176. — Facsimile of Sounding Apparatus stamp with entries properly made. 



When a leadline is used, reference shall be made to all of tiie leadline comparisons 

 (see 4622) which are applicable to this day's work. 



Any change during the day's work, which affects any of the information given in 

 the stamp at the beginning of the day, shall be noted in the "Remarks" column. 



8133. Preliminary Run and Weather 



The time the party or unit got underway or left headquarters and the distance in 

 nautical miles to position 1 of the day's work shall be entered in Stamp No. 34 (fig. 

 177). The state of the weather, wind, and sea shall also be entered in this stamp. 



No. 34 Depart Arrive Di-stance 



Ancliorage :...?..'.?....: ; Mi. 



Working ground.^; . : : . . .T: ^. f. ...:... f A-.?. .. .'^Ai. 



Underway at : : Weather. Py.^ r.?os+ ^ . ... . 



Wind ^.yy..'^ Sea . . . Moderafe 



Figure 177. — Facsimile of Stamp Xo. 34 with entries properly made. 



Any change which occurs during the day shall be noted in the "Remarks" column. 



This same stamp shall be used at the end of the day's work to enter the distance 

 ft'om woik and the time of arrival at headquarters. 



8134. Comparison of Sounding Apparatus 



Any standardization or comparison of the sounding apparatus which is made at 

 the beginning of the day's work or during the day shall be entered in columns below the 

 headings of Stamp No. 35 (fig. 178). 



