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IARU REG.1 HF BAND PLAN
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Band
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Frequency
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Band
width
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Preferred mode
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137 KHz
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137.5 - 136.0
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200
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CW, station test QRSS
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136.0 - 137.4
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200
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CW
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137.4 - 137.6
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200
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Digimodes
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137.6 - 137.8
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200
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CW, QRSS Centre of activity 137.7
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1.8 MHz
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1810 - 1838
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200
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CW, QRP Centre of Activity 1836 KHz
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1338 - 1840
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500
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Narrow band mode
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1840 - 1843
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2700
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All modes - digi modes
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1843 - 2000
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2700
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All modes
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3.5 MHz
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3500 - 3510
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200
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CW priority for intercontinental operation
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3510 - 3560
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200
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CW, contest preferred, QRS Centre of Activity 3555 KHz.
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3560 - 3580
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200
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CW, QRP Centre of Activity 3560 KHz
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3580 - 3590
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500
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Narrow band modes - digimodes
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3590 - 3600
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500
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Narrow band modes - digimodes, automatically controlled data station
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3650 - 3620
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2700
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All modes - digimodes, automatically controlled data station
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3600 - 3650
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2700
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All modes, SSB contest preferred
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3650 - 3700
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2700
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All modes, SSB QRP Centre of Activity 3690 KHz
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3700 - 3800
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2700
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All modes, SSB contest
3735 kHz - Image Centre of Activity
Reg. 1 Emergency Centre of Activity 3760 KHz.
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3775 - 3800
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2700
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All modes, priority for intercontinental operation
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7 MHz
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7000 - 7025
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200
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CW, contest preferred QRP Centre of Activity 7030 KHz
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7025 - 7040
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200
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CW, 7030 kHz QRP Centre Activity
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7040 - 7047
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500
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Narrow band modes - digimodes
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7047 - 7050
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500
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All modes - digimodes, automatically controlled data station
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7050 - 7053
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2700
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All modes - digimodes, automatically controlled data
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7053 - 7060
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2700
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All modes - digimodes
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7060 - 7100
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2700
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All modes, SSB contest preferred
7070 kHz - Digital Voice Centre of Activity
7090 kHz - SSB QRP Centre of Activity
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7100 - 7130
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2700
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All modes, 7110 kHz - Region 1 Emergency Centre of Activity
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7130 - 7200
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2700
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All modes, SSB contest preferred, 7165 kHz - Image Centre of Activity
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7175 - 7200
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2700
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All modes, priority for intercontinental operation
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10 MHz
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10100 - 10140
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200
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CW, QRP Centre of Activity 10116 KHz
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10140 - 10150
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500
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Narrow band modes - digimodes
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14 MHz
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14000 - 14060
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200
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CW, contest preferred, 14055 KHz - QRS Centre of Activity
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14060 - 14070
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200
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CW, 14060 KHz - QRP Centre of Activity
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14070 - 14089
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500
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Narrow band modes - digimodes
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14089 - 14099
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500
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Narrow band modes - digimodes, automatically controlled data station
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14099 - 14101
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IBP, eslusively for beacons
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14101 - 14112
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2700
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All modes - digimodes, automatically controlled data station
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14112 - 14125
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2700
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All modes
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14125 - 14300
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2700
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All modes, SSB contest preferred,
14130 kHz - Digital Voice Centre of Activity
14195 kHz ± 5 kHz - Priority for Dxpeditions
14230 kHz - Image Centre of Activity
14285 kHz - SSB QRP Centre of Activity
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14300 - 14350
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2700
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All modes, Global Emergency centre of activity 14300 KHz
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18 MHz
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18068 - 18095
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200
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CW, 18086 kHz - QRP Centre of Activity
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14095 - 18105
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500
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Narrow band modes - digimodes
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18105 - 18109
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500
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Narrow band modes - digimodes, automatically controlled data station
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18109 - 18111
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IBP, eslusively for beacons
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18111 - 18120
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2700
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All modes, digimodes, automatically controlled data station
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18120 - 18168
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2700
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All modes,
18130 kHz - SSB QRP Centre of Activity
18150 kHz - Digital Voice Centre of Activity
Global Emergency centre of activity 18160 KHz
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21 MHz
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21000 - 21070
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200
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CW, 21055 KHz - QRS Centre of Activity,
21060 KHz - QRP Centre of Activity
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21070 - 21090
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500
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Narrow band modes - digimodes
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21090 - 2110
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500
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Narrow band modes - digimodes, automatically controlled data station
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21110 - 21120
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2700
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All modes (excluding SSB) - digimodes, automatically controlled data station
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21120 - 21149
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500
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Narrow band modes
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21149 - 21151
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IBP, eslusively for beacons
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21151 - 21450
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2700
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All modes, 21180 kHz - Digital Voice Centre of Activity
21285 kHz - SSB QRP Centre of Activity
21340 kHz - Image Centre of Activity
21360 KHz - Global Emergency centre of activity
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24 MHz
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24890 - 24915
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200
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CW, 24906 KHz - QRP Centre of Activity
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24915 - 24925
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500
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Narrow band modes - digimodes
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24925 - 24929
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500
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Narrow band modes - digimodes, automatically controlled data station
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24929 - 24931
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IBP, eslusively for beacons
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24931 - 24940
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2700
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All modes - digimodes, automatically controlled data station
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24940 - 24990
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2700
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All modes, 24960 kHz - Digital Voice Centre of Activity
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28 MHz
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28000 - 28070
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200
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CW, 28055 KHz - QRS Centre of Activity,
28060 KHZ - QRP Centre of Activity
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28070 - 28120
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500
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Narrow band modes - digimodes
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28120 - 28150
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500
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Narrow band modes - digimodes, automatically controlled data station
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28150 - 28190
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500
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Narrow band modes
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28190 - 28199
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IBP, regional time shared beacons
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28199 - 28201
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IBP, worldwide time shared beacons
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28201 - 28225
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IBP, continuous duty beacons
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28225 - 28300
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2700
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All modes - beacons
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28300 - 28320
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2700
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All modes - digimodes, automatically controlled data station
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28320 - 29200
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2700
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All modes
28330 kHz - Digital Voice Centre of Activity
28360 kHz - SSB QRP Centre of Activity
28680 kHz - Image Centre of Activity
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29200 - 29300
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6000
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All modes - digimodes, automatically controlled data station
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29300 - 29510
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6000
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Satellite downlink
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29510 - 29520
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Guard channel
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29520 - 29550
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6000
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All modes - FM simplex - 10 KHz channel
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29560 - 29590
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6000
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All modes - FM repeater imput (RH1 – RH4)
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29600
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6000
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All modes - FM calling channel
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29600 - 29650
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6000
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All modes - FM simplex – 10 KHz channel
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29660 - 29700
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6000
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All modes - FM repeater outputs (RH1 – RH4)
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