Radio tools & calculators
Estimate wavelength, antenna starting lengths, radio horizon, SWR reflection, Ohm’s law and battery runtime. Includes a Maidenhead locator helper.
One home for useful calculators, operating guides, net planning and trusted links. Built for DXers, CB radio enthusiasts and anyone learning the airwaves.
Estimate wavelength, antenna starting lengths, radio horizon, SWR reflection, Ohm’s law and battery runtime. Includes a Maidenhead locator helper.
Plain language on getting started, good operating practice, equipment checks and where to confirm UK rules.
Draft a simple net script and download a blank check-in sheet. Confirm current net times with the group admin.
Find propagation, cluster, SDR and logging resources to support your next radio session.
Quick explanations for common radio questions, terminology and safe next steps.
Browse recent radio headlines and NOAA space-weather observations.
Open the daily bulletin ↗These links return to the existing community site. Upload this folder as a subfolder, then add a “Radio Resources” menu link to this page.
Tools provide estimates for learning and planning. Check equipment manuals, local conditions and current official requirements before transmitting.