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RSGB Band
Plan (effective from 1st January 2009) |
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The following band plan
is largely based on that agreed at IARU Region 1 General Conferences with
some local differences on |
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on frequencies above 430
MHz. |
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24 MHz (12m) |
Necessary |
UK Usage |
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Bandwidth |
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24,890-24,915 kHz |
200
Hz |
Telegraphy |
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24,906
kHz QRP (low power) centre of
activity |
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24,915-24,925 |
500 Hz |
Narrow band
modes |
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24,925-24,929 |
500 Hz |
Narrow band modes - automatically
controlled data stations (unattended) |
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24.929-24.931 |
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IBP - reserved
exclusively for beacons |
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24,931-24,940 |
2700 |
All modes - automatically
controlled data stations (unattended) |
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24,940-24,990 |
2700 |
All modes, 24,950kHz SSB QRP Centre of Activity |
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24,960kHz
digital voice centre of activity |
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LICENCE NOTES: Amateur and Amateur Satellite Service
- Primary User. |
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The
band is not to be used for contests or bulletins. |
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Notes to the Band Plan |
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ITU-R Recommendation
SM.328 (extract) |
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Necessary
bandwidth: For a given class of emission, the
width of the frequency band which is just sufficient to |
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ensure the transmission of
information at the rate and with the quality required under specified
conditions. |
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The use of Amplitude
Modulation (AM) is acceptable in the all modes segments but users are asked
to consider |
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adjacent channel
activity when selecting operating frequencies. |
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Foundation and Intermediate Licence
holders are advised to check their licences for the permitted power limits
and |
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conditions applicable to their class
of licence. |
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