Welcome to the WebSDR receiver located in Rosice, the Czech Republic - Grid square JN89EE. It is operated by Vladimir OK2IP.

This is the temporarily test run from my home QTH.

Note: you need both Java and JavaScript enabled for this page to work properly. If you don't hear anything, probably Java is disabled or its version is too old (i.e., pre-1.4.2).

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Allow keyboard:
j k ← →: freq down/up (+shift/ctrl/alt faster)
u l c a f: USB, LSB, CW, AM, FM
z Z: center/zoom waterfall
g: enter frequency


Or tune by clicking/dragging/scrollwheel on the frequency scale.

Bandwidth ? kHz @ -6dB; ? kHz @ -60dB.
Or drag the passband edges on the frequency scale.
Waterfall view
Or use scroll wheel and dragging on waterfall.

? dB; peak ? dB;
mute squelch autonotch
Signal strength plot:
Call of station that you hear: Comments, if any:
Ttime, frequency, your name/call, and DXCC information are added automatically. View the last 20 lines of the logbook, or the entire logbook.

This WebSDR is currently being used by ? user(s) simultaneously:      compact view

This chatbox is intended to discuss the operation of the WebSDR.
The operators of this site disclaim any responsibility for text appearing in this chatbox.


More information about the WebSDR project can be found on http://www.websdr.org.