diff --git a/modules/util/util.py b/modules/util/util.py
index d8db73d55d38d698222ce87f078902de7eb130dd..4ccd3ac2538bfff552a78ecb2827fe322aa3c395 100644
--- a/modules/util/util.py
+++ b/modules/util/util.py
@@ -17,6 +17,7 @@ from scipy.signal import medfilt2d
 from cartopy.crs import Geostationary, Globe
 
 LatLonTuple = namedtuple('LatLonTuple', ['lat', 'lon'])
+FGFTuple = namedtuple('FGFTuple', ['line', 'elem'])
 
 homedir = os.path.expanduser('~') + '/'