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Navigace: RADIOAMATÉRSKÁ STANICE OK2MIC > Technika, HAM provoz > HF IARU BANDPLAN > 28MHz

28MHz

28000 28070

200

CW, 28055 kHz - QRS Centre of Activity

28060 kHz - QRP Centre of Activity

28070 28120

500

Narrow band modes – digimodes

28120 28150

500

Narrow band modes - digimodes, automatically controlled data stations (unattended)

28150 28190

500

Narrow band modes

28190 28199

 

IBP, regional time shared beacons

28199 28201

 

IBP, worldwide time shared beacons

28201 28225

 

IBP, continuous duty beacons

28225 28300

2700

All modes - beacons

28300 28320

2700

All modes - digimodes, automatically controlled data stations (unattended)

28320 29100

2700

All modes,

28330 kHz - Digital Voice Centre of Activity

28360 kHz - SSB QRP Centre of Activity

28680 kHz - Image Centre of Activity

29100 29200

6000

All modes - FM simplex – 10 kHz channels

29200 29300

6000

All modes - digimodes, automatically controlled data stations (unattended)

29300 29510

6000

Satellite-downlink

29510 29520

 

Guard channel

29520 29590

6000

All modes - FM repeater input (RH1 – RH8)

29600

6000

All modes - FM calling channel

29610

6000

All modes - FM simplex repeater (parrot - input and output)

29620 29700

6000

All modes - FM repeater outputs (RH1 – RH8)
  • Member societies should advise operators not to transmit on frequencies between 29.3 and 29.51 MHz to avoid interference to amateur satellite downlinks.
  • Preferred NBFM operating frequencies on each 10 kHz from 29.110 to 29.290 MHz inclusive should be used.
  • A deviation of ±2.5 kHz being used with 2.5 kHz as maximum modulation frequency.
  •  Modifications of band plan version 29 March 2009 (Cavtat) made by the General Conference Sun City 2011:
  • CW contest-preferred segment from 7000-7025kHz withdrawn from the Region 1 band plan.
  • Shift of 10m FM simplex channels 29520 - 29550 kHz and 29610 – 29650 kHz to       29110 – 29190 kHz.
  • Four new FM Repeater channels added: 29520 – 29550 kHz (input), respectively 29620 – 29650 kHz (output), Channels renumbered: RH1 = 29520/29620 kHz   ...       RH8 = 29590/29690 kHz.
  •  FM Repeater (Simplex) on 29610 kHz (input and output, parrot). ON4PC has been appointed as 10m FM repeater coordinator for IARU Region 1.
  • DEFINITIONS
  • All modes                   CW, SSB and those modes listed as Centres of Activity, plus AM (Consideration should be given to adjacent channel users).
  • Image modes              Any analogue or digital image modes within the appropriate bandwidth, for example SSTV and FAX.
  • Narrow band modes   All modes using up to 500 Hz bandwidth, including CW, RTTY, PSK etc.
  • Digimodes                  Any digital mode used within the appropriate bandwidth, for example RTTY, PSK, MT63 etc.(*)                             Lowest dial setting for LSB Voice mode: 1843, 3603 and 7053 kHz
  • NOTES
  • Amplitude modulation (AM) may be used in the telephony sub-bands providing consideration is given to adjacent channel users. (NRRL Davos 05).
  • CW QSOs are accepted across all bands, except within beacon segments. (Recommendation DV05_C4_Rec_13)
  • Contests:
  • Contest activity shall not take place on the 10, 18 and 24 MHz bands.
  • Non-contesting radio amateurs are recommended to use the contest-free HF bands (30, 17 and 12m) during the
  • largest international contests. (DV05_C4_Rev_07)
  • Member societies are encouraged to publish contest operating segments clearly in the rules of their contests and that those segments are considered with due respect to the IARU band plans. (SC11_C4_02).
  • The CW contest-preferred segment from 7000-7025kHz has been withdrawn from the Region 1 band plan . Societies should encourage contest organisers to include a rule that restricts contest activity to a limited frequency range within the CW allocation. The choice of the frequency segment is left to the discretion of the contest organisers, but should take into account expected activity levels and show consideration for non-contest operation. (SC11_C4_05).
  • Unmanned transmitting stations:
  • IARU member societies are requested to limit this activity on the HF bands.   It is recommended that any unmanned transmitting stations on HF shall only be activated under operator control except for beacons agreed with the IARU Region 1 beacon coordinator, or specially licensed experimental stations. 
  • The term “automatically controlled data stations” includes Store and Forward stations.
  • The frequencies in the bandplan are understood as “transmitted frequencies” (not those of the suppressed carrier!)
  • Sideband Usage         Below 10MHz use lower sideband (LSB), above 10 MHz use upper sideband (USB)
 
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