bugfix GNSSTarget

src/targets/gnss.py

@@ -2,10 +2,9 @@ import logging
 import numpy as num
 
 from pyrocko import gf
-from pyrocko.guts import String, Bool, Dict, List
+from pyrocko.guts import String, Dict, List
 
 from .base import MisfitTarget, MisfitConfig, MisfitResult, TargetGroup
-from ..meta import Parameter
 
 guts_prefix = 'grond'
 logger = logging.getLogger('grond.target').getChild('satellite')
@@ -107,7 +106,7 @@ class GNSSCampaignMisfitTarget(gf.GNSSCampaignTarget, MisfitTarget):
     def weights(self):
         if self._weights is None:
             self._weights = 1./self.obs_sigma
-            self._weights[self._weights==num.inf] = 1.
+            self._weights[self._weights == num.inf] = 1.
         return self._weights
 
     def post_process(self, engine, source, statics):
@@ -115,7 +114,7 @@ class GNSSCampaignMisfitTarget(gf.GNSSCampaignTarget, MisfitTarget):
         weights = self.weights
         syn = num.array([statics['displacement.n'],
                          statics['displacement.e'],
-                         statics['displacement.d']])
+                         -statics['displacement.d']])
 
         res = obs - syn