How can an APRS station be used to help support a public service communications activity?

  1. An APRS station with an emergency medical technician can automatically transmit medical data to the nearest hospital
  2. APRS stations with General Personnel Scanners can automatically relay the participant numbers and time as they pass the check points
  3. An APRS station with a Global Positioning System unit can automatically transmit information to show a mobile station's position during the event
  4. All these choices are correct