diff --git a/core/sig_utils.py b/core/sig_utils.py
index 0edd0d6..c8cfd30 100644
--- a/core/sig_utils.py
+++ b/core/sig_utils.py
@@ -1,4 +1,5 @@
 import csv
+import logging
 
 from pyhamtools.locator import latlong_to_locator
 
@@ -28,89 +29,92 @@ def get_ref_regex_for_sig(sig):
 # Note there is currently no support for KRMNPA location lookup, see issue #61.
 def get_sig_ref_info(sig, sig_ref_id):
     sig_ref = SIGRef(id=sig_ref_id, sig=sig)
-    if sig.upper() == "POTA":
-        data = SEMI_STATIC_URL_DATA_CACHE.get("https://api.pota.app/park/" + sig_ref_id, headers=HTTP_HEADERS).json()
-        if data:
-            fullname = data["name"] if "name" in data else None
-            if fullname and "parktypeDesc" in data and data["parktypeDesc"] != "":
-                fullname = fullname + " " + data["parktypeDesc"]
-            sig_ref.name = fullname
-            sig_ref.url = "https://pota.app/#/park/" + sig_ref_id
-            sig_ref.grid = data["grid6"] if "grid6" in data else None
-            sig_ref.latitude = data["latitude"] if "latitude" in data else None
-            sig_ref.longitude = data["longitude"] if "longitude" in data else None
-    elif sig.upper() == "SOTA":
-        data = SEMI_STATIC_URL_DATA_CACHE.get("https://api-db2.sota.org.uk/api/summits/" + sig_ref_id,
-                                              headers=HTTP_HEADERS).json()
-        if data:
-            sig_ref.name = data["name"] if "name" in data else None
-            sig_ref.url = "https://www.sotadata.org.uk/en/summit/" + sig_ref_id
-            sig_ref.grid = data["locator"] if "locator" in data else None
-            sig_ref.latitude = data["latitude"] if "latitude" in data else None
-            sig_ref.longitude = data["longitude"] if "longitude" in data else None
-    elif sig.upper() == "WWBOTA":
-        data = SEMI_STATIC_URL_DATA_CACHE.get("https://api.wwbota.org/bunkers/" + sig_ref_id,
-                                              headers=HTTP_HEADERS).json()
-        if data:
-            sig_ref.name = data["name"] if "name" in data else None
-            sig_ref.url = "https://bunkerwiki.org/?s=" + sig_ref_id if sig_ref_id.startswith("B/G") else None
-            sig_ref.grid = data["locator"] if "locator" in data else None
-            sig_ref.latitude = data["lat"] if "lat" in data else None
-            sig_ref.longitude = data["long"] if "long" in data else None
-    elif sig.upper() == "GMA" or sig.upper() == "ARLHS" or sig.upper() == "ILLW" or sig.upper() == "WCA" or sig.upper() == "MOTA" or sig.upper() == "IOTA":
-        data = SEMI_STATIC_URL_DATA_CACHE.get("https://www.cqgma.org/api/ref/?" + sig_ref_id,
-                                              headers=HTTP_HEADERS).json()
-        if data:
-            sig_ref.name = data["name"] if "name" in data else None
-            sig_ref.url = "https://www.cqgma.org/zinfo.php?ref=" + sig_ref_id
-            sig_ref.grid = data["locator"] if "locator" in data else None
-            sig_ref.latitude = data["latitude"] if "latitude" in data else None
-            sig_ref.longitude = data["longitude"] if "longitude" in data else None
-    elif sig.upper() == "WWFF":
-        sig_ref.url = "https://wwff.co/directory/?showRef=" + sig_ref_id
-    elif sig.upper() == "SIOTA":
-        siota_csv_data = SEMI_STATIC_URL_DATA_CACHE.get("https://www.silosontheair.com/data/silos.csv",
-                                                        headers=HTTP_HEADERS)
-        siota_dr = csv.DictReader(siota_csv_data.content.decode().splitlines())
-        for row in siota_dr:
-            if row["SILO_CODE"] == sig_ref_id:
-                sig_ref.name = row["NAME"] if "NAME" in row else None
-                sig_ref.grid = row["LOCATOR"] if "LOCATOR" in row else None
-                sig_ref.latitude = float(row["LAT"]) if "LAT" in row else None
-                sig_ref.longitude = float(row["LNG"]) if "LNG" in row else None
-    elif sig.upper() == "WOTA":
-        data = SEMI_STATIC_URL_DATA_CACHE.get("https://www.wota.org.uk/mapping/data/summits.json",
-                                              headers=HTTP_HEADERS).json()
-        if data:
-            for feature in data["features"]:
-                if feature["properties"]["wotaId"] == sig_ref_id:
-                    sig_ref.name = feature["properties"]["title"]
-                    sig_ref.url = "https://www.wota.org.uk/MM_" + sig_ref_id
-                    sig_ref.grid = feature["properties"]["qthLocator"]
-                    sig_ref.latitude = feature["geometry"]["coordinates"][1]
-                    sig_ref.longitude = feature["geometry"]["coordinates"][0]
-    elif sig.upper() == "ZLOTA":
-        data = SEMI_STATIC_URL_DATA_CACHE.get("https://ontheair.nz/assets/assets.json", headers=HTTP_HEADERS).json()
-        if data:
-            for asset in data:
-                if asset["code"] == sig_ref_id:
-                    sig_ref.name = asset["name"]
-                    sig_ref.url = "https://ontheair.nz/assets/ZLI_OT-030" + sig_ref_id.replace("/", "_")
-                    sig_ref.grid = latlong_to_locator(asset["y"], asset["x"], 6)
-                    sig_ref.latitude = asset["y"]
-                    sig_ref.longitude = asset["x"]
-    elif sig.upper() == "BOTA":
-        if not sig_ref.name:
-            sig_ref.name = sig_ref.id
-        sig_ref.url = "https://www.beachesontheair.com/beaches/" + sig_ref.name.lower().replace(" ", "-")
-    elif sig.upper() == "WAB" or sig.upper() == "WAI":
-        ll = wab_wai_square_to_lat_lon(sig_ref_id)
-        if ll:
-            sig_ref.name = sig_ref_id
-            sig_ref.grid = latlong_to_locator(ll[0], ll[1], 6)
-            sig_ref.latitude = ll[0]
-            sig_ref.longitude = ll[1]
-
+    try:
+        if sig.upper() == "POTA":
+            data = SEMI_STATIC_URL_DATA_CACHE.get("https://api.pota.app/park/" + sig_ref_id, headers=HTTP_HEADERS).json()
+            if data:
+                fullname = data["name"] if "name" in data else None
+                if fullname and "parktypeDesc" in data and data["parktypeDesc"] != "":
+                    fullname = fullname + " " + data["parktypeDesc"]
+                sig_ref.name = fullname
+                sig_ref.url = "https://pota.app/#/park/" + sig_ref_id
+                sig_ref.grid = data["grid6"] if "grid6" in data else None
+                sig_ref.latitude = data["latitude"] if "latitude" in data else None
+                sig_ref.longitude = data["longitude"] if "longitude" in data else None
+        elif sig.upper() == "SOTA":
+            print(sig_ref_id)
+            data = SEMI_STATIC_URL_DATA_CACHE.get("https://api-db2.sota.org.uk/api/summits/" + sig_ref_id,
+                                                  headers=HTTP_HEADERS).json()
+            if data:
+                sig_ref.name = data["name"] if "name" in data else None
+                sig_ref.url = "https://www.sotadata.org.uk/en/summit/" + sig_ref_id
+                sig_ref.grid = data["locator"] if "locator" in data else None
+                sig_ref.latitude = data["latitude"] if "latitude" in data else None
+                sig_ref.longitude = data["longitude"] if "longitude" in data else None
+        elif sig.upper() == "WWBOTA":
+            data = SEMI_STATIC_URL_DATA_CACHE.get("https://api.wwbota.org/bunkers/" + sig_ref_id,
+                                                  headers=HTTP_HEADERS).json()
+            if data:
+                sig_ref.name = data["name"] if "name" in data else None
+                sig_ref.url = "https://bunkerwiki.org/?s=" + sig_ref_id if sig_ref_id.startswith("B/G") else None
+                sig_ref.grid = data["locator"] if "locator" in data else None
+                sig_ref.latitude = data["lat"] if "lat" in data else None
+                sig_ref.longitude = data["long"] if "long" in data else None
+        elif sig.upper() == "GMA" or sig.upper() == "ARLHS" or sig.upper() == "ILLW" or sig.upper() == "WCA" or sig.upper() == "MOTA" or sig.upper() == "IOTA":
+            data = SEMI_STATIC_URL_DATA_CACHE.get("https://www.cqgma.org/api/ref/?" + sig_ref_id,
+                                                  headers=HTTP_HEADERS).json()
+            if data:
+                sig_ref.name = data["name"] if "name" in data else None
+                sig_ref.url = "https://www.cqgma.org/zinfo.php?ref=" + sig_ref_id
+                sig_ref.grid = data["locator"] if "locator" in data else None
+                sig_ref.latitude = data["latitude"] if "latitude" in data else None
+                sig_ref.longitude = data["longitude"] if "longitude" in data else None
+        elif sig.upper() == "WWFF":
+            sig_ref.url = "https://wwff.co/directory/?showRef=" + sig_ref_id
+        elif sig.upper() == "SIOTA":
+            siota_csv_data = SEMI_STATIC_URL_DATA_CACHE.get("https://www.silosontheair.com/data/silos.csv",
+                                                            headers=HTTP_HEADERS)
+            siota_dr = csv.DictReader(siota_csv_data.content.decode().splitlines())
+            for row in siota_dr:
+                if row["SILO_CODE"] == sig_ref_id:
+                    sig_ref.name = row["NAME"] if "NAME" in row else None
+                    sig_ref.grid = row["LOCATOR"] if "LOCATOR" in row else None
+                    sig_ref.latitude = float(row["LAT"]) if "LAT" in row else None
+                    sig_ref.longitude = float(row["LNG"]) if "LNG" in row else None
+        elif sig.upper() == "WOTA":
+            data = SEMI_STATIC_URL_DATA_CACHE.get("https://www.wota.org.uk/mapping/data/summits.json",
+                                                  headers=HTTP_HEADERS).json()
+            if data:
+                for feature in data["features"]:
+                    if feature["properties"]["wotaId"] == sig_ref_id:
+                        sig_ref.name = feature["properties"]["title"]
+                        sig_ref.url = "https://www.wota.org.uk/MM_" + sig_ref_id
+                        sig_ref.grid = feature["properties"]["qthLocator"]
+                        sig_ref.latitude = feature["geometry"]["coordinates"][1]
+                        sig_ref.longitude = feature["geometry"]["coordinates"][0]
+        elif sig.upper() == "ZLOTA":
+            data = SEMI_STATIC_URL_DATA_CACHE.get("https://ontheair.nz/assets/assets.json", headers=HTTP_HEADERS).json()
+            if data:
+                for asset in data:
+                    if asset["code"] == sig_ref_id:
+                        sig_ref.name = asset["name"]
+                        sig_ref.url = "https://ontheair.nz/assets/ZLI_OT-030" + sig_ref_id.replace("/", "_")
+                        sig_ref.grid = latlong_to_locator(asset["y"], asset["x"], 6)
+                        sig_ref.latitude = asset["y"]
+                        sig_ref.longitude = asset["x"]
+        elif sig.upper() == "BOTA":
+            if not sig_ref.name:
+                sig_ref.name = sig_ref.id
+            sig_ref.url = "https://www.beachesontheair.com/beaches/" + sig_ref.name.lower().replace(" ", "-")
+        elif sig.upper() == "WAB" or sig.upper() == "WAI":
+            ll = wab_wai_square_to_lat_lon(sig_ref_id)
+            if ll:
+                sig_ref.name = sig_ref_id
+                sig_ref.grid = latlong_to_locator(ll[0], ll[1], 6)
+                sig_ref.latitude = ll[0]
+                sig_ref.longitude = ll[1]
+    except:
+        logging.warn("Failed to look up sig_ref info for SIG " + sig + " ref " + sig_ref_id + ".")
     return sig_ref