Version 2.10 OCT 2014 Basic Radio Communications Learning Outcome 1 Understand types of radio equipment used within the Air Cadet Organisation Uncontrolled.

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Presentation transcript:

Version 2.10 OCT 2014 Basic Radio Communications Learning Outcome 1 Understand types of radio equipment used within the Air Cadet Organisation Uncontrolled copy not subject to amendment

Introduction to radio

Introduction To Radio Radio has revolutionised communication The Air Cadet Organisation has its own nation wide system of radio stations This Network uses High Frequency (HF) for long range Communications play an important part in every day life

Networks (Nets) The word network is used because a number of radio stations work together, connected by the invisible strands of a single frequency – rather like a net

Networks (Nets) Directed (or Controlled) Net Where the control station directs all communications Free Net Where each station is free to communicate as it needs

Directed Net : Controlled by the Network Control Station (NCS) A group of stations using the same frequency Always controlled You must ask permission to join and leave the Net Networks (Nets)

Directed Net The Network Control Station (NCS) should: Have efficient equipment Have experienced operators Be able to handle the volume of radio communications to be passed Networks (Nets)

Free Net No NCS (Network Control Station) No permissions required All stations are “Free” to contact each other Networks (Nets)

Free Net MRK 17 MRH 67 MRL 47 MRK 92 Networks (Nets)

Directed Net To communicate with another station you must have permission of the NCS The NCS will do most of the communicating Networks (Nets)

Directed MRK 17 MRK 92 MRL 47 MRH 67 MRV 92 NCS Networks (Nets)

Air Cadet Radio Nets Enable you to learn and practice procedures Techniques are based on allied military procedures Assist with our activities and safety Do not use non-standard procedures Networks (Nets)

Radio Station A Radio Station is the smallest part of a Net It will have at least one radio set The set will be able to transmit and receive The set is known as a transceiver

HF Base Station for long distance Radio Station

Similar procedures are used for: High Frequency (HF) used for long range Very High and Ultra High Frequencies used for short range Directed Nets are more suited for HF Radio Station

VHF Communications Operating from a remote location

Radio Spectrum Air Cadet Frequencies are: Assigned by the Ministry of Defence Are in the following bands: a)Medium Frequency (MF) b)High Frequency (HF) c)Very High Frequency (VHF) d)Ultra High Frequency (UHF)

Medium(MF)High(HF) Very High (VHF) Ultra High (UHF) 300Khzto3Mhz3MHzto 30Mhz 30Mhz30MHzto300MHz300MHzTo3GHz Long Range Short Range Radio Spectrum

Any questions?