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RO2(T)

RO2(T). Tactical Communications 2nd Class. By POC Josh Sylvester. Morse Code Flag Recognition Hoisting Procedures Tactical Voice Procedure Manoeuvring Definitions & Procedures Fleet work Formations. Communication Safety Types of Communication Practices and Responsibilities

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RO2(T)

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  1. RO2(T) Tactical Communications 2nd Class By POC Josh Sylvester

  2. Morse Code Flag Recognition Hoisting Procedures Tactical Voice Procedure Manoeuvring Definitions & Procedures Fleet work Formations Communication Safety Types of Communication Practices and Responsibilities Message Handling Practical Rigging Admin Voice Procedure Contents

  3. MORSE CODE .. --- .-. … . -.-. --- -.. . BACK

  4. Morse Code by Flashing Light • Non Directional Flashing is Morse Code sent from the mast head light, and is used when you want to send a message to more than one ship. • Directional Flashing is Morse Code sent from a and is directed at one ship. • FRX (Flash Receiving Exercises) and FTX (Flash Transmitting Exercises) use Tactical Voice Procedure and Tactical (Alpha Numeric) Call signs. • Audible Morse is no longer used in the Royal Navy, but a good Tactical Communicator will be able to transmit and receive both visual and audible Morse Code.

  5. Morse Code

  6. Flag Recognition The International Code of Signals, British Ensigns, and Parts of a flag. BACK

  7. Flag Recognition - Alphabet

  8. Flag Recognition – Alphabet cont.

  9. Flag Recognition – Alphabet cont.

  10. Flag Recognition – Alphabet cont.

  11. Flag Recognition – Alphabet

  12. Flag Recognition - Substitutes

  13. Flag Recognition – Number Pennants

  14. Flag Recognition - Other

  15. Flag Recognition - Flag Officers

  16. Parts of a Flag Upper Hoist Upper Fly Lower Fly Lower Hoist

  17. Ensigns • St George’s cross with Union flag in upper hoist • Used by the Royal Navy • Red flag with Union Flag in top upper hoist • Civil ensign of UK, by pleasure boats & merchant ships • Blue flag with Union Flag in upper hoist • Used by government bodies, defaced with their emblem • Made up of the crosses of Saints Patrick, Andrew & George • Flown on the Jack Staff of all RN Ships when alongside, when the ship is dressed, in the presence of a Fleet Admiral, or when a Court Martial is in progression.

  18. Church Pennant Hoist – St. George’s Cross Fly – Dutch Flag

  19. Commissioning Pennants Royal Navy Sea Cadets Flown at the Masthead, indicates that a ship is in commission. When a ship enters harbour for the last time, it will hoist the Paying Off Pennant, which is the same as the Commissioning Pennant, except it is as long as the ship itself!

  20. Hoisting Procedures Reading a Mast, Colours, Evening Colours, Half Mast, and Dressing Overall. BACK

  21. Hoisting Procedures Gaff Mast head Yardarm Starboard Outer Port Outer Starboard Inner Port Inner Halyard Tack line – Break between flags Bend on – Clipping on flags Execute – Pull the signal down fast Hoist – to haul a flag up Dip – to bring 1/3 down Close up – Bring the flags to the top

  22. Hoisting Procedures – Half Mast Colours Ensign is hauled to the top of the mast in 20 seconds. Break for 2 marching paces, then slowly lower the ensign between 1/3 and ½ of the way down the mast. Evening Colours / Sunset Ensign is slowly raised to the top of the mast head. Break for 2 marching paces, then ensign is lowered fully in 40 seconds.

  23. Dressing Ship • Accession Day 6th Feb • Commonwealth Day - 2nd Monday in March • Queens birthday - April 21st • Queens Official Birthday - Date Published • Coronation Day - 2nd June • Prince Phillips Birthday - 10th June • Ships are to be dressed overall when in a foreign port on a day that the county would dress ship, like 4th of July in the USA

  24. Manoeuvring Definitions & Procedures Relative Bearings, True Bearings, The Guide and Movement Restrictions. BACK

  25. Manoeuvring Definitions • Formation – The way a group of ships are organised to operate as. • Corpen – “Course Pennant” - Wheeling • Turn – Turning fully. • Speed – The speed at which the formation should be operating at. • Guide – The ship flying “Golf”, ship is the leader, and all are to form on, or take a bearing off this ship.

  26. Bearings A TRUE BEARING has 3 figures and is displayed on a compass rose. A RELATIVE BEARING has 1 or 2 figures, and “ANS” if it is .5. For example, if a ship was facing a true bearing of 000, to turn to starboard 45*, the relative bearing would be “STBD 4ANS” - STBD 45 000 315 045 A true bearing of 090 A true bearing of 315 270 090 135 225 180

  27. The Guide • The Guide Ship will usually have the OTC (Officer in Tactical Command) onboard • The Guide will ALWAYS hoist flag GOLF to show it is guide. • When a formation wheels using Corpen, the pivot ship will become guide. • If the Guide sheers from formation, the next ship in sequence number becomes Guide.

  28. Movement Restrictions • When in Column, ships can wheel up to 180°. • When in Line Abreast, ships can wheel up to 90°. • When on a Line of Bearing, ships can not wheel. • Ships can turn 180° to Port or Starboard.

  29. Distances between Ships • A Large Ship is a ship over 450 feet in length. • A Small Ship is a ship under 450 feet in length. • The distance between 2 large ships should be 1000 yards. • The distance between 1 large ship and 1 small ship should be 1000 yards. • The distance between 2 small ships should be 500 yards. • The distance between ships is measured from foremast to foremast.

  30. Formations Formations 1, 2, 3 and 4 BACK

  31. Formations • Form 1 – Ships form column in order of sequence numbers. • Form 2 – Ships form column in reverse order of sequence numbers. • Form 3 – Ships form line abreast to starboard in order of sequence numbers. • Form 4 – Ships form line abreast to port in order of sequence.

  32. 1 1 2 3 Formations 1  LEAD SHIP Guide Ship Formation True Bearing Speed 000 – SP10 – Form 1 – G1

  33. 1 2 3 Formation 2  LEAD SHIP 000 – SP10 – Form 2 – G1

  34. 1 2 3 4 Formation 3 LEAD SHIP 000 – SP10 – Form 3 – G1

  35. 1 2 3 4 Formation 4 LEAD SHIP 000 – SP10 – Form 4 – G1

  36. Communications Types of Communications and Types of Call signs BACK

  37. Types of Communication • Radio’s • Pyrotechnics (fire, flares etc.) • Visual (flags, semaphore, Morse by Light) • Audible (bells, whistles, talking, audible Morse) • Can you think of any more?

  38. Types of Call sign • International – used mainly in Admin Voice, an international callsign will be unique depending on your country and area. MFK58 is an International Call sign. • Tactical – used for Tactical Voice, these are Alpha Numeric (one letter, one number). A3 is a Tactical Callsign. • Visual – used in flaghoists, directional and non directional Flashing Morse Exercises. These are the pennant numbers found on the side of ships, for example, RO7 is HMS Illustrious, D23 is HMS Bristol etc.

  39. Communications Safety Fire Extinguishers and hazard awareness. BACK

  40. Isolator Switch • If you walk into a Comms Room and discover somebody on the floor, DO NOT touch them. • A switch should be located on the same wall as the door to the Comms Room, called an Isolator Switch. • Hit this switch, and all electronics in the room are cut off. • Only once the isolator switch has been used should you attend the casualty.

  41. Fire Extinguisher • A CARBON DIOXIDE fire extinguisher should be located near the isolator switch of the Comms Room. • A CO2 Extinguisher will not damage your equipment. • Be careful when handling a CO2 extinguisher, because they will cause Cold Burns, so handle them correctly.

  42. Hazards • Tripping Hazards (cables, chairs, feet etc) • Radiation Hazards (from radio aerials and equipment) • Electrocution Hazards (by drinking in Comms Rooms) • Can you think of any more?

  43. Practises and Responsibilities Forbidden Practises and Visual Operator Responsibilities BACK

  44. Forbidden Practises The following practises are specifically forbidden on Sea Cadet Circuits. Many are forbidden on the vast majority of other Radio Frequencies around the world. Infringement may result in the removal of an operator from the circuit, withdrawal of a Permit to Transmit and even, in some cases, criminal prosecution:

  45. Forbidden Practises • Transmission on a directed net without permission. • Excessive tuning and testing. • Unauthorised transmission of Place, Unit or Personal Names in Clear. • Use of profane, indecent or obscene language. • Use of excessive or unauthorised transmitting power. • Transmitting at speeds beyond the capabilities of the receiving operator. • Operation on a circuit by any person not holding a valid Permit to Transmit, except under the supervision and with the express permission of an Authorised Person. • Use of unauthorised Callsigns, except where local Callsigns have been approved. • Use of precedence Flash by SCC stations.

  46. Visual Operator’s Responsibilities Responsibilities • Ensuring no unauthorised transmissions are made. • Giving an immediate answer to a call. • Observing the following rules: Practices specifically FORBIDDEN - • Unofficial conversation between operators. • Transmitting an operator’s personal sign. • Unauthorised use of plain language in place of authorised Prosigns or operating signals. • Use of profane, indecent or obscene language. Practises to be AVOIDED – • Use of too wide a beam or too bright a light. • Transmitting too fast for the receiving operator to read.

  47. Tactical Voice Procedure Delayed Executive Method and Immediate Executive Method BACK

  48. Saying the Delayed Executive Method • If you wanted to make all ships turn 90° to starboard, you would SAY over the radio the following: The order Z0, this is A1, execute to follow, turn starboard 9, B2 over. Call sign for all ships Means you await a receipt Your CS Means “await another message before executing it” Z0, this is A1, standby.................EXECUTE, C3 over. Means “Carry out the order......now”

  49. So the radio transmission would go: • Z0, this is A1, execute to follow, turn starboard 9, B2 over. • This is B2, roger out. • Z0 this is A1, standby..........execute, C3 over. • This is C3, Roger out.

  50. Writing the Delayed Executive Method • You also have to log that transmission, so you would write: Starboard Your CS CS you want a receipt off Turn Z0 de A1 IX Tu STBD 9 B2 K over All ships This is Relative Bearing 90° Execute to follow Z0 de A1 SB------------IX C3 K Stand by Execute

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