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GE& Dev. (Calculator)

D E C.

LHA

TI ME

SHIP’SNAME

FROM COMPASSERRORBY AZIMUTH (CAL.) C / Body / Spd. DR.Lat. DR.Long. DATE (Z) ZT (ST) ZD GMT DATE(G) CT CE GMT v. ( + ) or ( - ) ( ) TAB. GHA h INC. v. corr. SHA GHA DR.λ (E. or W.) LHA (E. or W.) t. ( E or W ) d. ( + ) or ( - ) ( ) TAB. Dec. h d. corr. Dec. (N. or W.) Lat. (N. or S.) Dec. (N. or S.) t. (H.A.) (E. or Sin Hc = Hc CosAz = Az Zn Zn Zn Var. GB MB GE CB Dev.

GEis

SHIP’SNAME

TO

C – 14 .

( )

( )

Dev. For ship’s head is . 1) sin Hc = sinLsinD ± cosLcosDcost 2) cosAz = (± cosLsinD - sinLcosDcost)/cosHc ± : L & D same name (+) ; L & D Contrary name (-) Prefix “Az” with (N. or W.) as the name of DR.Lat. and suffix it with (E. or W.) as the name of t (H.A.)

FROM COMPASSERRORBY AZIMUTH (CAL.)

TO

BOB C – 14 .


TI ME

C / Body / Spd. DR.Lat. DR.Long. DATE (Z)

Plot

( fix)


LHA D E C. GE& Dev. (Calculator)

ZT (ST) DR.λ/15º = E(-) ; W(+) ZD ZT ± ZD GMT ( ) DATE(G) CT CE CT ± CE GMT * ALM GMT + or – ALM v. ( + ) or ( - ) * Moon & Planet * ALM GMT TAB. GHA h ALM GMT INC. v v corr ALM GMT v. corr. * * ALM STAR SHA v (+) or (-) GHA + – GHA LHA 00’0 E(+) W (-) DR.λ (E. or W.) GHA± @λ LHA (E. or W.) LHA<180°= t°W ; LHA>180°, 360°– LHA = t°E ; LHA > 360°, LHA – t. ( E or W ) * ALM GMT (Dec. + Dec. –) d. ( + ) or ( - ) * ALM GMT TAB. Dec. h d. d corr. ALM d. corr. d (+) or (-) Dec. (N. or W.) Lat. (N. or S.) Dec. (N. or S.) t. (H.A.) (E. or (1) Sin Hc = (1) Hc (2) CosAz = (2) L Az t Az NE (Az=Zn) , SE(180°- Az=Zn) , SW(180°+ Az=Zn) , NW (360°Zn Zn Zn W(+)E(-) Gyro Bearing Var. GB Zn ± Var. Zn ±GB MB GE CB MB - CB Dev. GEis

Dev. For ship’s head is . 1) sin Hc = sinLsinD ± cosLcosDcost 2) cosAz = (± cosLsinD - sinLcosDcost)/cosHc ± : L & D same name (+) ; L & D Contrary name (-) Prefix “Az” with (N. or W.) as the name of DR.Lat. and suffix it with (E. or W.) as the name of t (H.A.) BOB

C - 14 (Compass error by Az)  

d. ( + ) or ( - ) ( ) ( ) TAB. Dec. h d. corr. Dec. (N. or W.) C / Body / Spd. DR.Lat. DR.Long. DATE (Z) ZT (ST) ZD GMT DATE(G) CT CE GMT La...