SLR.C50

  • Reads monthly degree 5 zonal spherical harmonic data files from satellite laser ranging (SLR)

    • CSR: CSR_Monthly_5x5_Gravity_Harmonics.txt

    • GSFC: gsfc_slr_5x5c61s61.txt

    • LARES: C50_LARES_filtered.txt

Calling Sequence

import gravity_toolkit.SLR
SLR_C50 = gravity_toolkit.SLR.C50(SLR_file)

Source code

gravity_toolkit.SLR.C50(SLR_file, C50_MEAN=0.0, DATE=None, HEADER=True)[source]

Reads C50 spherical harmonic coefficients from SLR measurements

Parameters:
SLR_file: str

Satellite Laser Ranging file

C50_MEAN: float, default 0.0

Mean C50 to add to LARES C50 anomalies

DATE: float or NoneType, default None

Mid-point of monthly solution for calculating 28-day arc averages

HEADER: bool, default True

File contains header text to be skipped

Returns:
data: float

SLR degree 5 order 0 cosine stokes coefficients

error: float

SLR degree 5 order 0 cosine stokes coefficient error

month: int

GRACE/GRACE-FO month of measurement

time: float

date of SLR measurement