| Agenda Item: |
Agenda 1.13 |
| Resolution(s): |
Resolution 729, 351 [COM4/2], 544 [COM4/11] |
| Description of work: |
This agenda item covers issues relating to all services in HF bands between 4 MHz and 10 MHz, excluding those in the band 7 000 - 7 200 kHz and those covered by Appendices 25, 26, and 27. Technological change has made bands allocated for A1A Morse telegraphy and narrow band direct printing under utilised, while there is a demand for new digital technology and more spectrum for broadcast applications. Studies are therefore required to:
i) continue to study under Resolution 729 the use of frequency adaptive systems in the MF and HF bands;
ii) identify the characteristics of digital system(s) to be used in the MF/HF bands by the maritime mobile service, taking into account MMS requirements and impact on Appendix 17;
iii) study the potential to allocate further bands to the broadcast service, taking into account other services using these bands
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| Lead Working Party(s): |
WP 6E, WP 8B, WP 9C |
| Involved Working Parties: |
WP 6E, WP 7D, WP 8A, WP 8B, WP 9C |
| How Visualyse products can help: |
Visualyse products do not currently model systems below 30 MHz. |
| How Transfinite consultants can help: |
We have experience in analysing sharing scenarios at MF / HF frequency bands using tools such as GR-WAVE. We can undertake studies including analysis of sharing between the services covered by this agenda item, and identify suitable system characteristics and sharing criterias, and provide contributions and representation at relevant ITU-R Working Parties. |
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