WebSDR receiver - Doubravka castle
This is a WebSDR receiver which is located in the Czech Republic at the Doubravka castle. It is operated by Club station OK1KPU Zdenek - OK9ZPK.
websdr.org adecomputer.cz crk.cz hrad-doubravka.cz
WebSDR-ontvanger - Kasteel van Doubravka.
Dit is een WebSDR-ontvanger die zich bevind in TjechiŽ, meerbepaald in het kasteel van Doubravka. Het is in dienst in de radio-club OK1KPU, Zdenek (OK9ZPK)

Donators (2013-2014): OK1DUB; OK2MEZ; OK1HI; OK1FC; OK1SVB; OK1UNL; OK1FFA; OK1HAS; OK2VLK; OK1JGM; OK2-36364; OK1DXT; OK2VLK;

Contact: websdr@hrad-doubravka.cz, hrad Doubravka 104, 415 04 Teplice, Czech Republic

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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

Frequency: kHz

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

? 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:
Note: time, frequency, your name/call, and DXCC information are added automatically.
View the last 20 lines of the logbook, or the entire logbook (ctrl-click for new tab/window).
Callsign search:  
QTH locator (2, 4 or 6 chars) :  
Google maps:

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.