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Two Way Radio OP 09
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Two Way Radio OP 09


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  • 1. Two Way Radios What are they? How do they work? Hillary Jenkins, Otago Polytechnic 2008
  • 2.
    • are communication devices that can
    • both transmit and receive
    • information in remote locations
    Two way radios:
  • 3. A simple two way radio Push- to- talk button Speaker On/Off button Channel selector Volume buttons
  • 4.
    • A: As a safety device for communications in
    • many different roles within the tourism industry
    Q: What could two way radios be used for in a tourism context?
  • 5.
    • Vehicle drivers communicating to a base station or between each other
    • Guides communicating with each other in the field
    • DOC huts and base stations to get weather forecasts or to report any incidents
    • Boat or Aircraft operators between craft or craft to base
    • Ski areas
    • Communicating with emergency staff
    • In hotels between reception, concierge and house keeping
    Some examples :
  • 6. How do you operate a two way radio system?
    • Today's two-way radio equipment is nearly as simple to use as a household telephone.
    • Some mobile phones these days have a “push to talk” function the same as a two way radio.
  • 7. Operational procedure…
    • Ensure your radios are turned on and on the same channel before commencing communication
    • When operating the radio, hold down the push-to-talk button BEFORE you begin to talk
    • Release the push-to-talk button to receive a reply
    • You may use call signs which are an abbreviation that indicates who the caller is, while allowing some anonymity. e.g. you maybe OP1 to OP2 or Base to Guide
  • 8. Two way radios operating on channel 1 Push-to talk buttons Channel 1
  • 9.
        • Messages should be kept short and to the point .
          • Pronounce your words clearly and slowly
          • Speak in a normal tone of voice , too loud = voice distortion
          • Keep your mouth a reasonable distance from the speaker
          • Break the message up with many intervals
          • Use words that can be understood correctly the first time, thereby avoiding repetition .
          • Some points for good operation:
  • 10.
    • Wait Stand by
    • Can't Unable
    • Send Forward or Dispatch
    • Get Obtain
    • No Negative
    • Yes Affirmative
    Poor Choice Preferred
  • 11. The Phonetic Alphabet
    • A Alpha N November
    • B Bravo O Oscar
    • C Charlie P Peter
    • D Delta Q Quebec
    • E Echo R Romeo
    • F Foxtrot S Sierra
    • G Golf T Tango
    • H Hotel U Uniform
    • I India V Victor
    • J Juliet W Whiskey
    • K Kilo Y Yankee
    • L Lima X X-ray
    • M Mike Z Zulu
  • 12. For example the place name Otago would look like this:
    • Oscar O
    • Tango T
    • Alpha A
    • Golf G
    • Oscar O
  • 13. What not to do…
    • Do not use slang
    • Do not swear
    • Do not use obscenities
    • Do not gossip
    • It is important that appropriate language be used at all times.
  • 14. Follow correct protocol to ensure good, clear communication
  • 15.
      • To call another unit: Say “Base to guide”
      • To acknowledge a call: Say “Base this is guide Go ahead.“
      • To end each transmission: Convey your message, then say “Over.“
      • To acknowledge message: Say “Copy” and confirm back message
      • To terminate a call: Say “Guide Clear.“
      • To acknowledge termination: Say “Base Clear."
    Correct Call protocol is:
  • 16. Practical Experience
    • Outside we will split into small groups and practice communicating messages using two way radios
    • See blog for activity