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  • 2m
  • 430
  • 433
  • 446
  • 6m
  • AIR
  • RX
  • TX
  • USB
  • LSB
  • AM
  • FM
  • CW
  • DIG
  • MUTE
? Khz

Audio Buffer
S meter plot
DSP Level

Signal Enhancements:


Fine Tune

Waterfall Size
Waterfall Zoom
Waterfall Brightness
× Click Start to begin recording. Click stop to finish, then either download or use the player to play your file (you may need to mute live audio)

Check my youtube channel here: IanXBU Youtube
J K ← →: freq down/up (+shift/ctrl/alt = faster)
z Z: center/zoom waterfall
G: enter frequency
Not affiliated with Jodrell Bank in any way, just close to it! This WebSDR is owned and operated by Ian, G0XBU. Contact: enquiries@g0xbu.co.uk Website: g0xbu.co.uk/websdr
This SDR supports the Pocket RXTX app by Dan YO3GGX: Download HERE
Thanks to ROMA WebSDR for permission to use some features of their smart interface. Link to their SDR HERE
Thanks to the guys at Utah WebSDR for their help with Chrome audio and DSP filtering. Here is their site: Utah WebSDR
Thanks to Pieter, PA3FWM for making the original WebSDR software available. More details here: websdr.org
Thanks to Bas, ON5HB for his help with setting up the RSP1A and his excellent work with drivers (and his troubleshooting support!). His SDR here: ON5HB Websdr
Thanks to Mehmet, NA5B for his help with adding the vertical waterfall lines and the waterfall colours. His SDR here: NA5B Websdr Thanks to Fred AA7BQ (QRZ.com founder) for his help in setting up the QRZ lookup feature. His website here: QRZ.com

15 July 23 - AIR2 Moved from server 1 to this server (server 2). Also an HF Kiwi SDR now added with a Wellbrook Loop, on long term loan from Gerry, M0VAA. Click the OWRX/Kiwi Tab.
5 May 23 - XBU Weather API added to view my local weather station (basic info) within the weather tab.
3 May 23 - Callsign lookup tab now features a locator lookup and google map display.
23 Apr 23 - Added a callsign lookup feature on a new tab.
30 Dec 22 - Added a new style of S meter. Much more responsive and neater looking.
23 Oct 22 - Added the ability to play recorded audio within the websdr as well as downloading the file. See Recording Tab.
13 Oct 22 - Added the ability to swap left/right audio channels. Added some volume/Buffer slider labels
3 Aug 22 - Added CW Filter change options. They automatically appear in the 'Filter Controls' tab when you select CW mode.
3 Aug 22 - Added DIG mode which sets USB at 3KHz and is enabled when you click on a data label such as FT8.
1 Aug 22 - Added a 'Loading Waterfalls' Splash page which waits for the page to load before displaying the Websdr and stops the page from looking half loaded!
6 Jul 22 - Lots of little adjustments to functionality: Added Display Off button, fixed the SuperZoom so the waterfall positions correctly, added a 'more contrast' button to help bring weak signals brighter, added a tab to go to my OpenWebRX server, Added a tab for quick access to the CB codes (i find this useful myself!), added links to the other server bands directly, plus other stuff behind the scenes for page layout!
23 Jun 22 - Major user interface update. New fresher look. The original is still available if you prefer, just go to the page layout tab to select
23 Jun 22 - Major user interface update. New fresher look. The original is still available if you prefer, just go to the page layout tab to select
10 Jun 22 - Added waterfall expander function which fits the waterfall to the full screen. Will continue tweaking this.
2 Jun 22 - Added waterfall contrast/brightness control and a filter over the waterfalls to create colour (thanks to NA5B for this).
2 May 22 - Removed the 437 band to use that RTL-SDR for my OpenWebRX server instead.
4 Mar 22 - New dongle arrived so Marine band now back in action. Filter added to remove previous out of band interference.
13 Feb 22 - Main LCD display font now aligns with the font colour selection in the 'Colours' menu.
13 Feb 22 - PMR446 band and labels now default to the correct 6.25khz frequency step.
31 Jan 22 - Updated the mobile version of this website with correct bands etc.
10 Jan 22 - Made some minor HMTL/CSS tweaks to align buttons better on the screen and allow different browser zoom levels
22 Dec 21 - Added new 437 band to cover satellites (437-439MHz)
20 Dec 21 - Added a new drop down menu ('Colours') which enables you to alter the page background images and font colours to personalize the webpage
21 Aug 21 - made the front page the same as jodrell 1 for consistency.
20 Aug 21 - Added an audio buffer control to increase audio delay to help with stuttering audio. Use the slider to adjust.

Page Colour Font Colour Sliders
Theme Options:
Click on the user below to go to their RX frequency

Flag Counter
Flag counter added: 18th August 2020
CHAT WINDOW: (I suggest not clicking on any links! and please NO ABUSE!)

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).
× Enter callsign and click 'Quick Lookup' to view basic data here, or click 'Display on QRZ' to go to that QRZ page, pressing return also goes to QRZ


Enter locator and click 'Convert' then press return in the map searchbox to show on map


Latitude: Longitude:

Tip: Map coordinates are at the center of locator square

Map box

× Current Antennas:
6m = Delta Loop at 5m AGL (Facing E/W) - underneath white mast box in below picture!
2m, 70cm, 446, Marine = Colinear at 9m AGL, plus mast head preamp, duplexer, 4 way RF splitter for UHF, 2 way RF splitter for VHF.

Server 1 Antennas = 80m Inverted V @9m, CB 5/8th @7.5m, small Colinear (used on Openwebrx server), X510 colinear for Airband (just in right of pic), 4m Dipole

server 1 antennas server 2 antennas
Click buttons to display realtime weather locally or go to Wunderground web display