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Chelmsford Amateur Radio Society Intermediate Course (2) Licence Conditions

Explore UK licence conditions & structure for Intermediate levels, bands, max power limits, callsign usage, frequency schedules, and operator guidelines presented by Chelmsford Amateur Radio Society.

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Chelmsford Amateur Radio Society Intermediate Course (2) Licence Conditions

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  1. Chelmsford Amateur Radio Society Intermediate Course(2) Licence Conditions

  2. UK Licence Structure ClassCallsignBandsMax Power* • Foundation Mx6ABC HF-70cms & 10GHz 10 Watts • Intermediate2x0ABC All 50 Watts • Full Mx0ABC All 400 Watts *Note – there are lower power exceptions/restrictions – see licence schedule • Where ‘x’ is:- D=I.of Man E=England (Intermediates only)I=N.Ireland J=Jersey M=Scotland U=Guernsey W=Wales • Older Callsigns: Foundation=M3 Class A=M0/5, G0/2/3/4/5 Class B= M1, G1/6/7/8, 2E1 • Examples: M6QQQ, G0QQQ, 2E1QQQ, 2D0QQQ, MI3QQQ, 2I0QQQ • Summary – Any callsign that starts with a M, G or 2 is a UK callsign

  3. Intermediate Privileges • Intermediate Licence is a significant enhancement compared to Foundation • Allowed 50 Watts on most bands • Access to All Bands, inc Microwaves - 23cms to 250GHz • Bands/modes include Fast Scan TV in 23cm • Increased Unattended privileges • Design and Build your own transmitters • NB1: Specific conditions and guidance apply to 2.3 and 3.4 GHz • NB2: Like Foundation, the Intermediate Licence does NOT allow operation outside the UK (with a few exceptions)

  4. Licence Conditions • Licence Conditions for all three licence classes are in a single document • Current version is the Wireless Telegraphy Act 2006, April-2015 Edition • It is important to recognise those Clauses & Schedules that apply to Intermediates - others may only apply to Foundation or Full Licensees • You must hold a current validation document for the station to be used.If it is not renewed, your privileges are revoked until it is • Changes of name and address should be notified immediately as Ofcom has power to revoke (as it does for breaches of Licence conditions) • Licence must be revalidated every 5 yrs, or it may be revoked- Try to do it more frequently! • Tip: Ensure you are able to log-on and access your own online version!

  5. Frequency Schedule • Intermediate Frequency Schedules are a significant enhancement compared to Foundation – Twice as long! • Allowed 50 Watts on most bands – BUT NOT ALL • Note those bands where restrictions exist: • Power or ERP limits, 100km around Charing Cross • Examples are in 136kHz, 1.85-2MHz, 430-432MHz, 24.1GHz • Allocations may be Primary or Secondary • Secondary means the band is shared and you must not cause harmful interference to the Primary User • Remember to use the Frequency Schedule in the Exam!!

  6. Callsign Use • Must Give your Callsign:- • As frequently as practicable during transmissions • Must be identifiable at all times (eg initial calls, changing freq etc) • In an appropriate format consistent with the mode of operation • It is also good practice to append the following….. • Mobile Operation: Callsign /M • Temporary Location: Callsign /P • Alternative Addresses: Callsign /A • Repeaters, Nets etc – Good practice to give Callsign regularly • NB: Maritime Mobile Operation, Callsign /MM, is Full Licence only

  7. Addresses / Locations • Definitions of Addresses should be understood as per Licence Sec-17 • Main Station Address is as per Page-1 of your own licence document • Mobile /M means located in the UK in/on any vehicle, pedestrian, or vessel in inland waters. For example:- 2E0QQQ/M • Alternative Address /A means a fixed Postal Address in the UK other than the Main Station Address. For example:- 2E0QQQ/A • Temporary Address /P means a fixed location other than your validation document or Alternative address. For example:- 2E0QQQ/P eg. A Contest Station in a field has no postal address • When operating from other locations, it is recommended to give your location within 5km eg by Postcode, Lat/Long, IARU Locator, NGR etc

  8. Operators & Supervision • Supervising Others: Intermediate Licensees may supervise other Licensees. If so, the others must operate under your Intermediate callsign and conditions – see Licence Section-3(2). • Under Supervision: Intermediate Licensees may operate the Radio Equipment of any other UK Amateur under that person’s Direct Supervision using the supervisor’s callsign, and their licence terms. • Unsupervised: Intermediate Licensee may (with permission) use another amateur’s radio equipment unsupervised, but using the callsign and conditions of their OWN licence. • NB: ‘Radio Equipment’ (in initial capitals) is a defined licence term meaning the equipment used and identified by the operator’s callsign

  9. Unattended / Remote • Licensees may conduct Unattended Operation of a Beacon for the purposes of direction-finding competitions, for remote control of the main station or for digital communications. • Note additional restrictions for Beacons in Schedule-2. • Remote control links must be by radio in an amateur band, and limited to 500mW erp maximum transmit power- see 10(6) • Links need to be adequately secure - See 10(4) • Links should be in bands above 30MHz – as per Note-g • Unattended operation does not include providing for general use by other amateurs – It is for personal use only

  10. Checking for Harmonics & Spurious Emissions • Licensees must carry out tests from time to time to ensure that the Station is not causing undue interference. • Recall that transmissions from the station must not cause undue interference to other radio users. • Licensees must reduce any emissions causing interference, to the satisfaction of a person authorised by Ofcom. • Make notes. They will help you to show compliance with the conditions of your licence - eg in a Logbook • If in doubt, seek advice from other amateurs, clubs, EMC Committee etc.

  11. Logbooks • Unlike years ago a permanent Log need not be kept but . . . • A person authorised by Ofcom may require a Licensee to keep a log of all transmissions made over a specified period of time: • To aid Interference Investigations • To determine Licence Condition Compliance by the Licensee • For any other matter concerning enforcement of any relevant legislation • Logbooks are good practice and aid Contests/Awards etc. • Also ideal for records of station tests - from time to time

  12. Intermediate OperatingEnhanced Responsibility • Don’t forget - more freedom (power, privileges) requires greater responsibility and knowledge • Read and Understand those Licence Conditions !!!

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