diff --git a/README.md b/README.md
index e7db1ba..640ff9d 100644
--- a/README.md
+++ b/README.md
@@ -85,7 +85,7 @@ browser.get_mountpoints()
 > Form of coordiantes must be `(x, y)` or `(x.x, y.y)` of latitude, longitude.
 
  - `maxdist`
-> Use `maxdist` to only report stations less than this number of km away from given coordinate.
+> Use `maxdist` to only report stations less than this number of km away from given coordinate. Stations lacking coordinates will not be returned.
 
 #### Result
 
diff --git a/example.py b/example.py
new file mode 100644
index 0000000..81005f1
--- /dev/null
+++ b/example.py
@@ -0,0 +1,11 @@
+from ntripbrowser import NtripBrowser
+import json
+
+host = "rtk2go.com"
+coordinates = (47.1291, 15.2119)
+maxdist = 50 #km
+
+browser = NtripBrowser(host, port=2101, timeout=15,
+coordinates=coordinates, maxdist=maxdist)
+mp = browser.get_mountpoints()
+print(json.dumps(mp, indent=4))
diff --git a/ntripbrowser/ntripbrowser.py b/ntripbrowser/ntripbrowser.py
index 36ed263..a5f902b 100644
--- a/ntripbrowser/ntripbrowser.py
+++ b/ntripbrowser/ntripbrowser.py
@@ -309,7 +309,10 @@ def _trim_outlying(self, ntrip_dictionary):
 
     def _trim_outlying_casters(self, ntrip_type_dictionary):
         def by_distance(row):
-            return row['Distance'] < self.maxdist
+            try:
+                return row['Distance'] < self.maxdist
+            except Exception:
+                return False
         inlying_casters = list(filter(by_distance, ntrip_type_dictionary))
         inlying_casters.sort(key=lambda row: row['Distance'])
         return inlying_casters