class_docstr: MSU-GS/A L1B file reader.
class_docstr_tok: ["MSU-GS\/A","L1B","file","reader","."]
docstr: Satellite longitude at time of scan.
docstr_tok: ["Satellite","longitude","at","time","of","scan","."]
code: def satellite_longitude(self):
      """Satellite longitude at time of scan."""
      return float(self["/attr/satellite_observation_point_longitude"])
  
file_path: satpy/satpy/readers/msu_gsa_l1b.py
imports: from datetime import datetime
  import numpy
  from satpy.readers.hdf5_utils import HDF5FileHandler
label_desc: Use image node_id 4 for calling the MSUGSAFileHandler obj's underlying member method code with example usage: obj.satellite_longitude() and returns: float