Bug fixes and minor doc clarifications

server/handlers/api/lookups.py

@@ -9,7 +9,7 @@ from tornado import httputil
 from tornado.web import Application
 
 from core.call_lookup_helper import get_call_info
-from core.constants import CALL_ONLY_PATTERN, SIGS
+from core.constants import SIGS
 from core.geo_utils import (
     lat_lon_for_grid_sw_corner_plus_size,
     lat_lon_to_cq_zone,
@@ -55,7 +55,7 @@ class APILookupCallHandler(tornado.web.RequestHandler):
             # The "call" query param must exist and look like a callsign
             if "call" in query_params:
                 call = str(query_params.get("call")).upper()
-                if CALL_ONLY_PATTERN.match(call):
+                if re.match(r"^[A-Z0-9/\-]*$", call):
                     credentials = extract_credentials(self.request.headers)
                     callsign_data = get_call_info(call, credentials)
                     self.write(safe_json_dumps(callsign_data))