Dongles RTL2832+R820T2 with SV1AFN 200MHz LO upconverter connected on Intel(R) Core(TM)2 CPU 6300 @ 1.86GHz running Ubuntu 16.10.
RTL_TCP data transfer via gigabit Ethernet to VMWare Intel(R) Xeon(R) CPU E5-2420 @ 1.90GHz running Ubuntu 16.04.1
Mantido por Marcinio Afonso Stabile PU5KRO e Roberto Aleixo PY2GAC. Antena dipolo Bigode de Gato em V invertido

Para escuta de Ondas Médias e VLF utilize a porta 8081 deste WebSDR

Escute também o SDR de Canoas - RS em 80m

Info about this WebSDR can be found on
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:

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