diff --git a/src/libcode/vx_data2d_python/grid_from_python_dict.cc b/src/libcode/vx_data2d_python/grid_from_python_dict.cc
index 8c9aa7dae1..93de48387d 100644
--- a/src/libcode/vx_data2d_python/grid_from_python_dict.cc
+++ b/src/libcode/vx_data2d_python/grid_from_python_dict.cc
@@ -208,6 +208,11 @@ data.r_km = dict.lookup_double("r_km");
 data.nx = dict.lookup_int("nx");
 data.ny = dict.lookup_int("ny");
 
+data.eccentricity = 0.;
+data.false_east = 0.;
+data.false_north = 0.;
+data.scale_factor = 1.0;
+data.dy_km = data.d_km;
 
    ////////////////
 
diff --git a/src/tools/other/mode_time_domain/nc_grid.cc b/src/tools/other/mode_time_domain/nc_grid.cc
index e31246ab4d..022a2e8ebe 100644
--- a/src/tools/other/mode_time_domain/nc_grid.cc
+++ b/src/tools/other/mode_time_domain/nc_grid.cc
@@ -191,6 +191,11 @@ data.r_km = string_att_as_double(f, "r_km");
 data.nx = string_att_as_int(f, "nx");
 data.ny = string_att_as_int(f, "ny");
 
+data.eccentricity = 0.;
+data.false_east = 0.;
+data.false_north = 0.;
+data.scale_factor = 1.0;
+data.dy_km = data.d_km;
 
    //
    //  done