avoid using tuples, they don't work in json (future config system)

config_webrx.py

@@ -318,8 +318,8 @@ fst4_enabled_intervals = [15, 30]
 fst4w_enabled_intervals = [120, 300]
 
 # Q65 allows many combinations of intervals and submodes. This setting determines which combinations will be decoded.
-# Please use python tuples of (interval: int, mode: str) to specify the combinations. For example:
-q65_enabled_combinations = [(30, "A"), (120, "E"), (60, "C")]
+# Please use the mode letter followed by the decode interval in seconds to specify the combinations. For example:
+q65_enabled_combinations = ["A30", "E120", "C60"]
 
 # JS8 comes in different speeds: normal, slow, fast, turbo. This setting controls which ones are enabled.
 js8_enabled_profiles = ["normal", "slow"]

owrx/wsjt.py

@@ -171,7 +171,18 @@ class Q65Profile(WsjtProfile):
     def getEnabledProfiles():
         config = Config.get()
         profiles = config["q65_enabled_combinations"] if "q65_enabled_combinations" in config else []
-        return [Q65Profile(i, Q65Mode[m]) for i, m in profiles if i in Fst4wProfile.availableIntervals]
+
+        def buildProfile(modestring):
+            mode = Q65Mode[modestring[0]]
+            interval = int(modestring[1:])
+            if interval not in Q65Profile.availableIntervals:
+                logger.warning("%i is not a valid Q65 interval; ignoring mode \"%s\"", interval, modestring)
+                return None
+            return Q65Profile(interval, mode)
+
+        mapped = [buildProfile(m) for m in profiles]
+        logger.debug(mapped)
+        return [p for p in mapped if p is not None]
 
 
 class WsjtParser(Parser):