--- N A 5 B    S D R    W E B    R A D I O     R E C E I V E R    S Y S T E M ---
Welcome to Washington DC Area SDR HF radio receiver system maintained by NA5B, e-mail na5b@hotmail.com
This receiver covers VLF-LF-MF-HF Bands - Atomic Clock, Data, Lightning, Beacons, AM broadcast stations, CB, 136KHz, 472KHz & 160m, 80m, 40m, 30m, 25m, 20m, 15m, 11&10m Amateur Bands
Current system brief description; Antennas: Active Mini Whip & Cuschcraft R-7 Receivers: Modified  RTLSDR's with VLF low pass filter for MW and band pass
filter for each amateur HF bands. Server: 64 Bit Linux (Debian) with fiberoptic gigabit connection.  System is still under construction.

More information about the WebSDR project can be found on http://www.websdr.org.
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View:
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.
Memories:
Bandwidth:
? kHz @ -6dB; ? kHz @ -60dB.
Or drag the passband edges on the frequency scale.
Waterfall view:
Or use scroll wheel and dragging on waterfall.
Speed:
Size:
View:


[scale]
? dB; peak ? dB;
mute squelch autonotch
Volume:
Signal strength plot:
Logbook:
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).

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

Chatbox:
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.



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