Noble Skywave

Crowning the best HF Operators in the world.

Latest Announcements

Excersise Instructions Released

New

Exercise Instructions, CEOI, and Calling Schedule (Appendix 3) are now available.

Ex Instructions CEOI Calling Schedule (Appx 3)

Registration Is Open Early

New

Registration has opened ahead of schedule. Teams can secure their place now.

Moving to Slack

New

We’re moving to Slack because Discord is blocked on many military networks. Join Slack to connect with participants, ask questions, and get updates.

Join Slack

Note: Slack replaces Discord to ensure access on military networks.

Competition Frequencies Available

New

All frequency allocations for the 2025 competition have been finalized and are now available for review, including frequencies for all challenge stages.

View Frequencies

Noble Skywave 2025 — Preview & Key Dates

Mark your calendars. Key milestones leading into NS25:

CEOIs & Exercise Instructions Released

01 Oct 2025

Registration Closes

Final day to register

17 Oct 2025

Final Participant List

Roster released

20 Oct 2025

Competition Begins

Kickoff

21 Oct 2025, 1200Z

Competition Ends

Wrap-up

23 Oct 2025, 2000Z

Stages & Timings (UTC)

Stage 2.1 — Establish Net
Initial net check-ins on assigned SSB frequencies.

21 Oct 25 at 1400Z
Stage 2.2 — Free Play
Open contacts per CEOI. Log all QSOs.

From 22 Oct 25 at 0200Z to 1200Z
Stage 2.3 — Team Challenge
Coordinated team objectives and contact plan.

From 22 Oct 25 at 1200Z to 23 Oct 25 at 0200Z
Stage 2.4 — Back To The Future
Legacy mode challenge per annex guidance.

From 23 Oct 25 at 0200Z to 1400Z

Noble Skywave 2024

2024 Results