FINAL REPORT - Stakeholders - Ofcom

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1 645.5 MHz which are used for distress and safety purposes as specified for GMDSS Interim solutions for improved efficiency in the use of the band 156-174 MHz by stations in the maritime mobile service ITU-R M 1084 Morse telegraphy procedures in the maritime mobile service ITU-R M 1170 Radiotelephony procedures in the maritime mobile service ITU-R M 1171 Technical characteristics of single-sideband transmitters used in the maritime mobile service for radiotelephony in the bands between 1 606.5 kHz (1 605 kHz Region 2) and 4 000 kHz and between 4 000 kHz and 27 500 kHz Technical characteristics of equipment used for on-board vessel communications in the bands between 450 and 470 MHz Use of the maritime radionavigation band 283.5-315 kHz (Region 1) and 285-325 kHz (Regions 2 and 3) A long-term solution for improved efficiency in the use of the band 156-174 MHz by stations in the maritime mobile service ITU-R M 1173 ITU-R M 1174 ITU-R M 1178 ITU-R M 1312 Technical characteristics of maritime radionavigation radars ITU-R M.1313 Methods to reduce radar unwanted emissions ITU-R M.1314 Technical characteristics for a universal shipborne automatic identification system using time division multiple access in the VHF maritime mobile band Technical and operational characteristics and protection criteria of radiodetermination and meteorological radars in the 2 900-3 100 MHz band Procedures for determining the potential for interference between radars operating in the radiodetermination service and systems in other services Characteristics of and protection criteria for radars operating in the radiodetermination service in the frequency band 1 215-1 400 MHz Characteristics of and protection criteria for radionavigation and meteorological radars operating in the frequency band 2 700-2 900 MHz Characteristics of and protection criteria for radars operating in the radiodetermination service in the frequency band 3 100-3 700 MHz ITU-R M 1371 ITU-R M 1460 ITU-R M 1461 ITU-R M 1463 ITU-R M 1464 ITU-R M 1465 Page 330
ANNEX 5 Structure of the 4, 6 and 8 MHz HF Maritime Bands Sub-band structure of the 4 MHz maritime band 4.05 4.1 4.2 4.3 4.4 4.45 4 063.3 063.3 – – 4 064.8 4 064.8 oceanographic oceanographic research research communications communications - 6 × 0.3kHz chs - 6 × 0.3kHz chs 4 066.4 – 4 114.4 ship-to-shore radiotelephony - 27 × 3kHz chs 4 066.4 – 4 114.4 ship-to-shore radiotelephony - 27 × 3kHz chs 4 147.4 – 4 150.4 simplex radiotelephony - 2 × 3kHz chs 4 147.4 – 4 150.4 simplex radiotelephony - 2 × 3kHz chs 4 154.0 – 4 170.0 ship-to-shore wideband telegraphy, facsimile - 5 × 4kHz chs 4 154.0 – 4 170.0 ship-to-shore wideband telegraphy, facsimile - 5 × 4kHz chs 4 172.5 – 4 181.5 ship-to-shore NBDP (Telex) - 18 × 0.5kHz chs 4 181.75 – 4 186.75 ship-to-shore Morse telegraphy calling chs 4 172.5 – 4 181.5 ship-to-shore NBDP (Telex) - 18 × 0.5kHz chs 4 187.0 – 4 202.0 ship-to-shore Morse telegraphy working channels - 31 × 0.5kHz chs 4 181.75 – 4 186.75 ship-to-shore Morse telegraphy calling chs 4 202.5 – 4 207.5 simplex NBDP (Telex) - 10 × 0.5kHz chs 4 187.0 – 4 202.0 ship-to-shore Morse telegraphy working channels - 31 × 0.5kHz 4 207.5 – chs 4 209.0 ship-to-shore DSC - 4 × 0.5kHz chs 4 209.5 – 4 219.0 shore-to-ship NBDP (Telex) - 20 × 0.5kHz chs 4 202.5 – 4 207.5 simplex NBDP (Telex) - 10 × 0.5kHz chs 4 219.5 – 4 220.5 shore-to-ship DSC – 3 × 0.5kHz chs 4 207.5 – 4 209.0 ship-to-shore DSC - 4 × 0.5kHz chs 4 221.0 – 4 351.0 shore-to-ship wideband telegraphy, facsimile, NBDP, special etc 4 209.5 – 4 219.0 shore-to-ship NBDP (Telex) - 20 × 0.5kHz chs 4 352.4 – 4 436.4 shore-to-ship radiotelephony - 29 × 3kHz chs Page 331 Colour key Radiotelephony Wideband and Morse telegraphy, fax, etc Oceanographic research Morse telegraphy NBDP – narrow-band direct-printing (tlx) DSC - digital selective calling Ship station channels Coast station channels Simplex channels
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Ofcom Contract AY4620 Assessment of
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3.4.7 Possible New Technologies (in
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6.7.4 Regulatory and Standardisatio
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ANNEX 4 List of pertinent ITU Recom
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It is against such socio-economic i
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There appear to be no clear pattern
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General Improvements to the Spectra
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Recommendation 3.22: Ofcom should r
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internationally for decommissioning
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� The study should further ascert
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2 Introduction to Report In these e
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maritime radiodetermination and rad
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interoperability. These provisions
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• Regulation on the interoperabil
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new entrants and new technologies w
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Foperating MHz B-20dB MHz Foperatin
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Foperating MHz B-20dB MHz Foperatin
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different types of objects (aircraf
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Frequency Amplitude Frequency Ampli
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3.2.2.6 Receivers The receiver syst
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Target size (=Radar Cross Section)
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the normal requirement for 360 degr
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management and planning. They also
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3.2.5.7 Emission Masks The ITU and
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• A long term policy to replace m
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conditions, the effect of sporadic
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signals which populate the range ce
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potentially suitable band sharing s
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ecommended for future good manageme
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possible options which would reduce
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It should be noted that a number of
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3.3.3 Technology Description 3.3.3.
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amplitudes of each antenna (calcula
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separation minima to be achieved du
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summary of the most relevant standa
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Co-ordination of PRF (pulse repetit
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Parameter Value Notes Dependencies
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interconnections, plugs, pin layout
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3.3.8.2 UAT The Universal Access Tr
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Figure 3-12 shows the format and co
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Parameter Value Notes Service topol
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Technology Band/Frequency Informati
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the cost to an already saturated ch
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3.4.2.5 ILS VOR/ILS localizers are
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3.4.3 Technology Descriptions EN-RO
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Figure 3-16 - Current (and future -
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only a standard omni-directional VH
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een switched off. L1 and L2 are the
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landing. He must carry either a rad
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3.4.4.2 Loran-C Loran-C is promoted
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Recent studies in the USA have indi
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Airport GNSS Marker Beacon ILS MLS
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The demand for the L-Band GNSS freq
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Airport GNSS Aggregate EPFD limits
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3.4.6.6 L-Band DME EUROCONTROL’s
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3.4.8.5 VHF VOR VORs are predominan
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to aviation. As discussed in sectio
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3.4.11 Conclusions and Recommendati
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Table 3-14: Summary of Developments
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Notes: • The costs are not depend
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Where technology choices do exist f
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The implementation of ADS and up an
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Maritime transport has always been
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adars operating in their vicinity.
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are a concern, however for smaller
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Though the amount of shipping traff
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4.2.2.5 Possible New Technologies (
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4.2.3.9 Possible Overall Spectrum E
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across the complete radar frequency
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4.3.3.8 Possible Overall Spectrum E
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educed frequency allocation would t
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A non harmonised frequency band is
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5 Aeronautical Communications Civil
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Within this band, 121.5 MHz and 123
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5.3.3 Current data link technology
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absolute priority which is required
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Note that HF also carries airline o
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communication services which could,
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The figure below shows the possible
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efficient solution (this relates bo
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5.7.2 VHF Communications Digital Li
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Parameter Value Notes Channel acces
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Parameter Value Notes RF Channels M
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5.8.2.1 Next Generation Satellite S
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As the new satellite service will s
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only power limited, and so the rang
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Parameter Value Notes ATN complianc
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Figure 5-2: Boeing Connexion system
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and incur additional aerodynamic dr
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Encourage move of HF voice to HFDL
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An illustrative example of airborne
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Illustrative value of spectrum calc
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An illustrative calculation of the
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A VDL2 channel will provide 10 time
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Recommendation 5.4: The decommissio
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6 Maritime Communications 6.1 Intro
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following categories are amongst th
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navigational information using narr
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This standard is used around the wo
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No change in this approach is envis
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However the situation would be some
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interest to broadcasters and manufa
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6.4.1 UK Search and Rescue (SAR) at
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6.5.1.5 Summary As MF and HF automa
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• The class of emission, in accor
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• 415-526.5 kHz (primary or co-pr
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The United Kingdom has closed down
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6.6.8 Allocation Sharing issues In
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in an appropriate manner. Last but
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automatic facsimile and data system
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adio-frequency technology with adva
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6.7.9 Socio-Economic Issues The iss
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The further development of GSM and
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or TETRA. Also the integration of G
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• 161.975 and 162.025 ( formerly
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Closer to home the CEPT consultativ
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6.10.3 Operational Requirements The
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for the purposes of distress and ur
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million . A digital or dual mode al
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Inmarsat was the world’s first gl
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carriage requirements for distress
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suppliers of radiocommunications eq
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Authorisations 31 , Article 6 of th
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Increasing convergence between tele
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administrations commit themselves t
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National Regulatory Authority for t
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7.2.3 Public availability of inform
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COUNTRY QUESTION 2.1.1 - National O
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COUNTRY QUESTION 2.1.1 - National O
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Principal Legal Basis (Primary Legi
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7.2.5 Change of Control Rules relat
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FIN Yes Yes No S Yes No No UK No 36
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Among the specific, identifiable co
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and charges. The results for those
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7.2.11 ITU Notification Administrat
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Frequency Management Costs Y A U No
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COUNTRY One-Off Administrative Fees
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Australia Renewal fee £2.69 per as
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COUNTRY Recurring Administrative Fe
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Page 283 and 284: COUNTRY One-Off Spectrum Charges ap
Page 285 and 286: COUNTRY Recurring Spectrum Charges
Page 287 and 288: COUNTRY Recurring Spectrum Charges
Page 289 and 290: limited to vessels registered by th
Page 291 and 292: potential band sharing services. Im
Page 293 and 294: Very little use is made of the MF t
Page 295 and 296: Directive on Marine Equipment, 98/8
Page 297 and 298: 8.6.4 Other AIP Issues In section 7
Page 299 and 300: ASF Additional Secondary Factor ATC
Page 301 and 302: ETRA Environment, Transport and Reg
Page 303 and 304: MF Medium Frequency (300 kHz - 3000
Page 305 and 306: RTCM Radio Technical Commission for
Page 307 and 308: ANNEX 2 Mandatory Standards Annex 2
Page 309 and 310: Band 328.6-335.4 MHz Service Aerona
Page 311 and 312: Band 1559-1626.5 MHz Service Radion
Page 313 and 314: Band 5000-5250 MHz Service Aeronaut
Page 315 and 316: Band 15.4-15.7 GHz Service Aeronaut
Page 317 and 318: Annex 2-2 Maritime Radiodeterminati
Page 319 and 320: RTCA MOPS DO 186A - MOPS for airbor
Page 321 and 322: Annex 2-4 Maritime Communications S
Page 323 and 324: ETSI STANDARDS DESIGNATION ETSI STA
Page 325 and 326: Annex 3-2 Maritime Communications E
Page 327 and 328: MARITIME SATELLITE EQUIPMENT Networ
Page 329: ANNEX 4 List of pertinent ITU Recom
Page 333 and 334: Sub-band structure of the 8 MHz mar
Page 335 and 336: 5.2. receive automatically such inf
Page 337 and 338: UK Communications Act 2003 (and EC
Page 339 and 340: Annex 7-3 Aeronautical Communicatio
Page 341 and 342: Summary of the Functional and Techn
Page 343 and 344: An economic study to review spectru
Page 345 and 346: ANNEX 8 Countries in Receipt of Que
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FINAL REPORT - Stakeholders - Ofcom

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