This is a WebSDR receiver, located in Hilversum, the Netherlands. It is operated by the PI2NOS repeater group, and is located on the Alticom tower at 160m AGL.
The receiver consists of a simple RTL2838U stick with R820T2 tuner and a splitter and bandpass filter in front. Antenna is a Procom CXL 2-2C.
For more information about the site and repeaters, please visit To contact the operators please use the contact form on that site, do not mail to the writer of the software.

More information about the WebSDR project 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

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 (NOT your own call!):
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).

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