----+----1----+----2----+----3----+----4----+----5----+----6----+----7----+----8
ETIDEN +1101 010 -0.033 0.0 10. 10.
----+----0----+----0----+----0----+----0----+----0----+----0----+----0----+----0
COLUMNS FORMAT DESCRIPTION DEFAULT VALUE & UNITS
1-6 A6 ETIDEN - Requests application and/or
adjustment of earth tides using the
Colombo tide model and normalized
Legendre polynomials. M and K
symmetry is included.
9 I1 Indicates form of input coefficients. 0
0 = A and B coefficients. [NOTE 1]
10 I1 Indicates form of input sigmas. 0
0 = A and B coefficients [NOTE 1]
15-17 I3 Sign (+1 or -1) of the Demos Number [NOTE 2] +1
18-20 I3 MKH expansion arguments of the 0
Demos number. [NOTE 2]
M = 0,1,2
K = 0,1,2
H = 0,1,2
21-22 I2 "J" expansion argument of Demos number. 0
-9. LE. J .LE. 9 [NOTE 2]
23 I1 Indicates form of tidal amplitude 0
coefficent [ V (t) / V bar ] [NOTE 3]
f f
0 = only main line, fixed coefficient
1 = main line and sidebands, variable
coefficient
2 = only main line, variable coefficient
JUNE 1989
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GLOBAL SET
ETIDEN (cont)
COLUMNS FORMAT DESCRIPTION DEFAULT VALUE & UNITS
24 I1 Disturbing Body (B). [NOTE 2] 0
0 = Moon and Sun
1 = Moon
2 = Sun
25-44 D20.8 "A" coefficient. [NOTE 1] 0. M
45-59 D15.3 "B" coefficient. [NOTE 1] 0. M
60-72 D13.1 Sigma "A". 0. M
73-80 D8.2 Sigma "B". 0. M
_______________________________________________________________________
NOTES:
[1] The "A" and "B" coefficients are related to amplitude and phase
by the following formulas:
A = K2 Love Number * cos(phase)
B = -K2 Love Number * sin(phase)
[2] The "Demos Number" is given by:
Demos Number = IDSIGN*(MKH*1000+(J+10)*10+B)
JUNE 1989
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ETIDEN (cont)
NOTES: (cont)
[3] There are 4 recognized main tidal lines and 16
associated sidebands. Their Demos numbers are:
SMKH JB (See last page for S M K J B definitions)
Main Line 1: 1120 01
Side Bands: -1112 01, 1100 01, 1110 01, -1111 -21,
1101 21, 1111 21, 1121 21
Main Line 2: 1120 02
Side Bands: 1101 22
Main Line 3: 1220 01
Side Bands: 1201 21, 1210 01, 1211 21, 1200 01,
-1212 01, -1211 -21, 1221 21
Main Line 4: 1220 02
Side Bands: 1201 22
UNITS: KM =Kilometers; M =Meters ; S =Seconds ; Kg =Kilograms
DEG=Degrees ; RAD=Radians ; AS =Arc seconds; MAS=Milli-arc seconds
IF CARD OMITTED: The expanded earth tide model is not used. See TIDES card for
tide model that will be used.
JUNE 1989
8906.0
GLOBAL SET