This is a test WebSDR receiver,
located in 9a7aof home.

System is operated by Zlatko, 9a6agu and Darko, 9a7aof.

9A1CRA - HF WebSDR receiver located near Krizevci, Croatia

CB and 10m ham band

More information about the WebSDR project from pa3fwm can be found on

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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

Peak: ?dB Average: ?dB
Mute Squelch
Notch1 Notch2 HighBoost
DSP Noise Reduction:
Signal strength plot:

Frequency: kHz

Or tune by clicking/dragging/scrollwheel on the frequency scale.
Bandwidth: ? kHz
Or drag the passband edges on the frequency scale.
Waterfall view:
Or use scroll wheel and dragging on waterfall.

This WebSDR is currently being used by ? user(s) simultaneously:      compact view
This chatbox is intended to discuss the operation of the WebSDR or chat between other users, please keep it nice.
The operators of this site disclaim any responsibility for text appearing in this chatbox. It stores a cookie on your system
only for this website that holds your name and call.

Audio controls:
Audio out: left both right
Gain control: automatic manual limit
Hang time:

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