SLR.C30

  • Reads monthly degree 3 zonal spherical harmonic data files from satellite laser ranging (SLR)

    • CSR: CSR_Monthly_5x5_Gravity_Harmonics.txt

    • GFZ: GRAVIS-2B_GFZOP_GRACE+SLR_LOW_DEGREES_0002.dat

    • GSFC: TN-14_C30_C30_GSFC_SLR.txt

    • LARES: C30_LARES_filtered.txt

Calling Sequence

import gravity_toolkit.SLR
SLR_C30 = gravity_toolkit.SLR.C30(SLR_file)

Source code

gravity_toolkit.SLR.C30(SLR_file, C30_MEAN=9.57173957733e-07, HEADER=True)[source]

Reads C30 spherical harmonic coefficients from SLR measurements

Parameters:
SLR_file: str

Satellite Laser Ranging file

C30_MEAN: float, default 9.5717395773300e-07

Mean C30 to add to LARES C30 anomalies

HEADER: bool, default True

File contains header text to be skipped

Returns:
data: float

SLR degree 3 order 0 cosine stokes coefficients

error: float

SLR degree 3 order 0 cosine stokes coefficient error

month: int

GRACE/GRACE-FO month of measurement

time: float

date of SLR measurement