+ zone <zones> - look for spots in the cq zone (or zones) specified.
+ zones are numbers separated by commas.
+
+ by_zone <zones> - look for spots spotted by people in the cq zone
+ specified.
+
+ itu <itus> - look for spots in the itu zone (or zones) specified
+ itu zones are numbers separated by commas.
+
+ by_itu <itus> - look for spots spotted by people in the itu zone
+ specified.
+
+ state <list> - look for spots in the US state (or states) specified
+ The list is two letter state codes separated by commas.
+
+ by_state <list> - look for spots spotted by people in the US state
+ specified.
+