Welcome to my WebSDR Server in Hünenberg - Switzerland (JN47FE) - HB9RYZ

This WebSDR is currently being used by ? user(s) simultaneously:      compact view
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Allow keyboard:
j k ← →: freq down/up (+shift or +ctrl/alt)
b B: band up/down
u l c a f: USB, LSB, CW, AM, FM
z Z: center/zoom waterfall
g: enter frequency

 Choose the Band: 80m  40m  20m  10m  160m

? dBm   peak: ? dBm


  === HB9RYZ H├╝nenberg ===

Notch2 High Boost
Signal strength plot:

Current Frequency:



Choose Band and SDR-Type:

Or tune by clicking/dragging/scrollwheel on frequency scale.

Waterfall Options:
Or use scroll wheel and dragging on waterfall.


  ?  kHz@-6dB   Pitch: ? ?  Hz
Or drag the passband edges on the frequency scale.

WebSDR Server with an Active Dipole Antenna - Box with "6" SDR Receivers, power supply, HP EliteDesk PC, Raspberry Pi4 for Spyserver, Filters etc.

Active Dipole Antenna Inside the SDR-Box SDR Architecture

Sysop messages:
• October 2020: Project start and going on the air. Questions please to info@hb9ryz.ch
• WebSDR will be offline during local thunderstorms
• Quick Start Guide by PeanutPower Quick Start Guide
• Firefox is the preferred browser

Operator: Wolfgang - HB9RYZ located in Hünenberg JN47FE. Hünenberg is located in the central part of Switzerland about 20 miles away from Lucerne.
Receivers: 5x SDRplay RSP1a receivers for 160m/80m/60m/20m/10m bands and one AFEDRI USB-SDR Receiver for the 40m Band
Computer: HP EliteDesk 800 G1 PC, Intel Core i5-4570T 2.9 GHz, 16GB RAM, 250 GB SSD Disk (64-Bit), 6 USB-Ports
Operating-System: Debian 10 Linux
Antenna: a small active dipole

Note 1 Code from the Utah WebSDR (tks!) is added for support of Chrome, Apple, etc. Go to this Utah site for more info if needed.
Note 2 Chrome users: use +Shift key for frequency scrolling on frequency scale in waterfall.
Note 3 CATSync allows you to synchronize the WebSDR with your real rig.

WebSDR is a very strong concept developed by PA3FWM!
More information about the WebSDR project can be found on http://www.websdr.org.

© Copyrights Graphical User Interface (GUI) design of this WebSDR: PA0SIM and PE0MJX
Copying the GUI design partially or completely is allowed with proper source reference including a link to websdrmaasbree for non commercial WebSDR use only.