Amateur radio. Endless curiosity.
There’s something
in the air.
A quiet band. A distant call. A signal taking the long way home.
A listening post for exploring radio, following reception reports, and thinking in wavelengths.
Find a signalλ = c ÷ f. Ideal free-space lengths, before antenna construction or velocity-factor corrections. Examples are frequencies, not operating permissions.
UPSTREAM / SPACE WEATHER
A check on the bigger picture.
Loading NOAA observations…
THE LISTENING POSTS
Find out what’s
getting through.
Follow reception reports on the map.
Compare bands, modes, and listening stations.
Map paused.
Select Resume map to reconnect.
Map and live data: PSK Reporter. Use the map controls to choose a band, mode, callsign, or time window. If the map is blank, use Open full map. The provider’s privacy and cookie policies apply.
PSK Reporter
Explore digital-mode reception reports by callsign, band, mode, and time window.
Reverse Beacon Network
A network of listening stations reports who it hears, when, and how strongly. Useful clues to band openings.
WebSDR
Find a receiver and tune in through your browser. Hear the bands from a different location.
The space-weather desk
NOAA storm scales, recent Kp history, and aurora forecasts, together on rack.org.
The reception map runs here inside the page. Additional listening tools open in separate tabs; the wavelength workbench runs locally in your browser.
NOTES FROM THE BAND
The absence of a dot
isn’t silence.
A reception map shows reports, not every signal on the air. Pair it with a receiver and a bit of context.
A spot is evidence of reception
PSK Reporter plots reports submitted by monitoring stations. Read the selected mode and time window before comparing locations. An unreported station may still be transmitting. Open the reception map ↗
Reverse beacons listen
Rather than sending a beacon for you to hear, the network listens for other stations and reports their signals. Comparing reports over time can help reveal an opening. Read the RBN introduction ↗
A remote receiver changes the perspective
WebSDR lets multiple listeners tune independently on a receiver connected to the internet. What you hear is what reaches that receiver’s antenna. How WebSDR works ↗
Kp is context, not a band forecast
The planetary K-index describes geomagnetic disturbance. NOAA lists radio users among those affected, but a single index does not describe every path, band, or time of day. NOAA: understanding Kp ↗
KEEP EXPLORING
Follow another signal.
Choose your next desk.