Ham Radio Properties

Properties used in ham radio pages for semantic tagging:

1. Property:Frequency - Used to denote radio frequencies
2. Property:CTCSS - Used to denote subaudible/CTCSS/pl tones
3. Property:Callsign - Used to tag callsigns
4. Property:Placename - Used to denote place names rather that coordinates for location
5. Property:TransmitOffset - Used to denote transmit frequency shift for repeater inputs
6. Property:FCC_Class - Used to indicate license class (Technician, General, Extra, etc.)

Please tag accordingly.