Ham radio contacts as they happen. Each dot is a station transmitting; each arc is one operator
hearing another. Click one for the plan to work it from your QTH.
Pick a longer window to see operators sorted by activity.
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Flow40% · ~/s
Your QTHnot set
Click a station on the map to plan a contact with them. For which bands are open and who is active in general, see Workable now.
Click any flash on the map to load the plan to work that station.
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Station
Location-
Grid-
Last freq-
Mode-
Working in the last hour live
Path from your QTH
Distance (SP)-
Bearing (SP)-
Long path-
Sun state right now
Your QTH-
Their QTH-
Bands (SFI -, K -)
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Reach this path
License our data
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When are they on? · last 7 days, by local hour
Peak hour-
Total observed-
Outlier hours-
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satellite
Satellite
NORAD-
Altitude-
Sub-point-
Next pass from your QTH
AOS-
Max elevation-
Direction-
Radio (Doppler-corrected for your QTH)
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Footprint
The shaded circle on the map is this satellite's footprint: anywhere inside it has line of sight to the bird right now and could work it. The line is its ground track over the next orbit.
Next satellite passesfrom your QTH · next 24 h · soonest first · click one to see it on the mapSked with a specific station →
Set your QTH to see when satellites are workable.
Regions where activity is spiking versus the same UTC hour over the past week show up here, with amber rings on the map. If nothing is standing out, this stays empty (it needs a few days of history to compare against).
0 unusual region(s) right nowactivity spiking vs same UTC hour, past 7 dayslow confidence (0 days of history)
Recent activity
in viewport
Combines live data from PSK Reporter + DX cluster + RBN + WSPRNet + APRS-IS + POTA/SOTA with solar +
greyline math from /greyline, band scoring from /propagation,
grid math from /grid. Set your QTH once and it persists.
Data sources →