General guidelines for radio use. CRO / HR will outline specific event requirements.
- Think about what you are trying to communicate before you speak!
- Key mic before talking (pause 2 seconds)
- Say the station you are calling ‘2’ times, then your own
- Head Referee, Read Referee – Chief Swim
- Head Referee go ahead
- Water temperature is 25°c
- Head Referee copies, over (10-4)
- Keep your conversations short and on topic
- If you need to discuss an issue, ask to meet somewhere
- Assume your conversations are being heard by everyone
- Do not transmit confidential information on a radio unless you know the proper security technology is in place. Remember, frequencies are shared, you do not have exclusive use of the frequency.
- Don’t be afraid of the radio
- Remember to make all of your calls (based on run sheet) this keeps the team informed
- Open / Close
- First / Last 10-0 Radio Check 10-1 Signal Weak 10-2 Signal Good 10-4 Affirmative / Copy / Message received 10-9 Please repeat last message 10-10 Negative / No 10-20 Location 10-33 Official needs immediate assistance General Terms Meaning Radio Check What is my signal strength? Can you hear me? Go Ahead You are ready to receive transmission. Stand-by You acknowledge the other party, but I am unable to respond immediately. Roger / 10-4 Message received and understood. Negative / 10-10 Same as "No". Affirmative Same as "Yes". Avoid "yup" or "nope" as they are difficult to hear. Say Again / 10-9 Re-transmit your message Over Your message is finished. Out All conversation is finished, the channel is clear for others to use. Break, Break, Break You are interrupting in the middle of communication because you have an emergency. Read you loud & clear Response to "Radio Check". Means your transmission signal is good. Also use "Read you 5-by-5". (Strength and Clarity) Come in You are asking the other party to acknowledge they hear you. Copy You understand what was said. Wilco Means "I will comply". Repeat Used before you repeat something. ex: "I require 9-5, repeat 9- 5, gallons of diesel fuel. Over"