Signal Desk Twente WebSDR
Ops
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CPU
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GPU
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Audio
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WF
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HTTP
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Disconnected
Bands
Presets
0 kHz 14579.80 kHz 29159.60 kHz
Wheel tunes · Ctrl/⌘+wheel zooms · Drag pans · Click tunes
1x

Receiver offline

Connect to the Twente WebSDR to see the live spectrum, 0–29 MHz.

14,074.00 kHz USB
Filter 2.40 kHz
S-meter
S0 ---
Connect to record

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Labels in band

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Chat

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Polling status...

Recordings

  • No recordings yet.

Shortcuts

↑ ↓
Tune ±1 kHz (Shift ±5, Alt ±0.1)
Wheel
Tune one step on the waterfall (Shift ×10, Alt ÷10)
Ctrl/⌘ + wheel, pinch
Zoom
Drag
Pan the waterfall
Click
Tune to the clicked frequency (waterfall or scale)
M
Next mode
C
Center the waterfall on the dial
Space
Mute / unmute
R
Start / stop recording (with 5 s pre-roll)
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This help

Share what you hear: the address bar always links to the current frequency and mode.