NA5B WebSDR

--- N A 5 B    W e b S D R    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, Mehmet, e-mail na5b@hotmail.com
This receiver covers VHF/UHF - 6m, Air Band, Weather Band and 70 cm (antenna is down and will be up soon) Current system brief description; Antennas: Homebrew
1/4 ground plane and discone Server: 64 Bit Linux (Debian) with fiberoptic gigabit connection. RTL-SDR dongles.   For VHF-UHF click here: http://na5b.com:8902.
For the web site click here: http://na5b.com Other SDR's UTAH UT - KFS CA - K3FEF PA - N4BBQ GA - N4DKD AL - WCRC TX

This WebDSR GUI includes some features by G8HXT TOPBAND and Poland Nowy Sacz as well as various other WebSDR sites. 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 fUSB, LSB, CW, AM, FM
W wfilter wider/narrower
z Z ^Zcenter/zoom waterfall
genter frequency
b Bchange band
m V vmute, volume up/down
t TVFOs: toggle A/B, set A=B

Loading waterfall... Please Wait.
Frequency & VFO: kHz  
Or tune by clicking/dragging/scrollwheel on the frequency scale.

Mode:

Bandwidth tuning & presets:
? kHz @ 0dB; ? kHz @ -6dB; ? kHz @ -60dB. [ ? / ? ]
Or drag the passband edges on the frequency scale


Memories:  
Waterfall view: Full window



Or use scroll wheel and dragging
on waterfall.

View:
Size:
Speed:



S-Meter
[scale]

[scale]
Signal?dB Peak?dB --> SNR?dB

Mute Squelch Auto-notch

VOLUME:  

GAIN CONTROL: automatic manual
Gain:



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).

Station information:
Lookup in databases  
This WebSDR is currently being used by ? user(s) simultaneously:      compact view



Chatbox:
This chatbox is intended to discuss the operation of the WebSDR and about the signals received with it.
The operators of this site disclaim any responsibility for text appearing in this chatbox.
 

Statistics:
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** Visitor window added on 20 Dec 2017 **