Merge pull request #1 from SteffanDavies/pygmtsar-faster_orbit_download

Changed code to avoid error

pygmtsar/pygmtsar/SBAS_orbits.py

@@ -28,7 +28,7 @@ def download_orbits(self):
         from eof.download import download_eofs
 
 	# For each date get a single product with missing orbit
-        sbas_df_missingorb = self.df.where(self.df.orbitpath.isna())
+        sbas_df_missingorb = sbas.df[sbas.df.orbitpath.isna()]
         sbas_df_missingorb = sbas_df_missingorb[~sbas_df_missingorb.index.duplicated(keep="first")]
 
         # Apply orbit to products of same date