This is a WebSDR receiver, located in NJ. Admin is K2SDR, email is
More information about the WebSDR project can be found on
Get Realtime Lightning Reports: Realtime Lightning Display
View U.S. Wind Map: View U.S. Wind Map
View K2SDR VDL2 Aircraft messages: View K2SDR VDL2 Messages
View K2SDR NOAA APT Images: View K2SDR NOAA Images
What is on Shortwave: What is on Shortwave
Equipment: ZS6BKW G5RV Antenna, RPA-1Plus LNA, PCT-MA2-8PN Multicoupler, SV1AFN Upconverter, 7 RTLSDR.COM Dongles
Equipment: 6 cores - 12 threads Dell T3500, Ubuntu 16.04 64bit.
***WARNING*** System will reboot without warning as I am tweaking and improving new setup.
It seems you are using a mobile device; click here to switch to the mobile version of this site.
It seems Java is not installed or disabled on your computer. You need to install and/or enable it for this website to work properly.
Since Java version 7u51, Java needs to be enabled separately for each website; see for instructions.
Your browser does not seem to support HTML5 WebAudio; please try a recent version of Firefox, Chrome, Opera or Safari; or switch to Java.

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.


'cw', -0.95, -0.55 Bandwidth:
? kHz @ -6dB; ? kHz @ -60dB.
PassBand Tuning (PBT) Control:
2.49 kHz @ -6dB; 2.95 kHz @ -60dB.
Or drag the passband edges on the frequency scale. PBT & IF Shift code developed by Weert Websdr.

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:
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