Tweak FEA reference handling, add understanding of BIWOTA, remove some unused junk from ui-ham.js

providers/sigrefdata/fea.py

@@ -36,7 +36,10 @@ class FEA(FileDownloadSIGRefDataProvider):
 
         for row in all_rows:
             if not "REF" in row[0] and not "\n" in row[0]:
-                new_data.append(SIGRef(sig=self.SIG, id=row[0].strip(), name=row[1].strip(), ref_type="Lighthouse"))
+                # FEA references are technically [DE]\-\d{4}(\.\d)? but spotters always seem to miss out the D- or E-
+                # prefix and just use FEA 1234, so we treat FEA reference IDs as if they were just the number.
+                ref_id = row[0].strip().replace("D-", "").replace("E-", "")
+                new_data.append(SIGRef(sig=self.SIG, id=ref_id, name=row[1].strip(), ref_type="Lighthouse"))
 
             # Bail out if a stop has been requested, i.e. the program is shutting down - no need to parse the rest of
             # the data in this case