--- a/mouchak/static/signal-strength/radio_jamia.json
+++ b/mouchak/static/signal-strength/radio_jamia.json
@@ -52,7 +52,7 @@
     "name" : "E-1",
     "lat" : 28.560506,
     "lon" : 77.304853,
-    "strength" :NA,
+    "strength" :null,
     "url":"/static/img/e-1.jpeg"
   },
   "E-2":