HF Band Plan Review

Over the past 18 month a proposal for an IARU HF Digital Mode reorganization has been undertaken by representatives of all three IARU Regions

IARU-R1 reports:

The objectives were to review the data modes usage of the Amateur Radio HF spectrum and propose changes that:

• Reduce inter-mode conflict between dissimilar operating modes; and
• Facilitate the expansion of new technologies.

In conducting the review it was realized that it was necessary to update the manner in which the IARU creates its band plans. Accordingly, the IARU’s band planning definition toolkit were redefined, and additional data mode definition characteristics has been added to help separate activities that are fundamentally incompatible within the data mode family.

With the band planning process updated, the proposal then revised the band plans of all three IARU Regions, focusing on the data sub-bands and taking into consideration:

• Popularity and capacity requirements; and
• Existing band users and inter-mode compatibility assessments.

The team also took the opportunity to harmonize the band plans of all three IARU Regions to the greatest extent possible of course.

The proposal is now being discussed in the relevant committees.

Source IARU Region 1 https://iaru-r1.org/

The changes proposed include a significant expansion of the data mode segments. Each band is detailed in the slides in the document “Attachment to Doc.031 International Amateur Radio Union – HF band plan revision 2021 – Proposal.pdf”
The PDF is near the bottom of the Input documents page on the conference site at
https://www.iarur3conf2021.org/documents/

via: http://www.southgatearc.org/




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