--- title: Multiband WebSDR receiver on VLF description: Learn more about how to build your own SDR receiver. image: https://content.redpitaya.com/hubfs/websdr_diagram-1.jpg --- [![Red Pitaya](https://content.redpitaya.com/hubfs/raw_assets/public/Red_Pitaya_November_2021/images/redpitaya-logo-des.svg "Red Pitaya")](https://redpitaya.com/) [![Red Pitaya](https://content.redpitaya.com/hubfs/raw_assets/public/Red_Pitaya_November_2021/images/redpitaya-logo.svg "Red Pitaya")](https://redpitaya.com/) - Products - [STEMlab 125-14 Gen 2](https://redpitaya.com/stemlab-125-14-gen2/) - [STEMlab 125-14](https://redpitaya.com/stemlab-125-14/) - [SIGNALlab 250-12](https://redpitaya.com/signallab-250-12/) - [SDRlab 122-16](https://redpitaya.com/sdrlab-122-16/) - [STEMlab TI (Texas Instruments)](https://redpitaya.com/stemlab-ti-texas-instruments/) - [Multi-channel Solutions](https://redpitaya.com/multi-channel-solutions/) - [Accessories](https://redpitaya.com/accessories/) - [Applications](https://redpitaya.com/applications/) - Documentation - [Technical Documentation](https://redpitaya.com/documentation/) - [Teaching materials](https://redpitaya.com/teaching-materials/) - [Student projects](https://redpitaya.com/student-projects/) - [User forum](https://forum.redpitaya.com/) - [About](https://redpitaya.com/about-us/) - [History](https://redpitaya.com/history/) - [Distributors](https://redpitaya.com/distibutors-red-pitaya/) - [Blog](https://content.redpitaya.com/blog) [Shop](https://redpitaya.com/shop/) - [ACADEMIA](https://redpitaya.com/academia/) - [RADIO AMATEURS](https://redpitaya.com/radio-amateurs/) - [Home](https://redpitaya.com/) - Products - [STEMlab 125-10](https://redpitaya.com/stemlab-125-10/) - [STEMlab 125-14](https://redpitaya.com/stemlab-125-14/) - [SIGNALlab 250-12](https://redpitaya.com/signallab-250-12/) - [SDRlab 122-16](https://redpitaya.com/sdrlab-122-16/) - [Accessories](https://redpitaya.com/accessories/) - [Applications](https://redpitaya.com/applications/) - [Resources](https://redpitaya.com/documentation/) - [Shop](https://redpitaya.com/shop/) - [About](https://redpitaya.com/about-us/) - [Blog](https://content.redpitaya.com/blog) - [Compare](https://redpitaya.com/compare/) - [Login / Register](https://redpitaya.com/my-account/) ### Red Pitaya Blog [Home](https://redpitaya.com) » [Amateur Radio](https://content.redpitaya.com/blog/tag/amateur-radio), [Case study](https://content.redpitaya.com/blog/tag/case-study) » [Amateur Radio](https://content.redpitaya.com/blog/tag/amateur-radio), [Case study](https://content.redpitaya.com/blog/tag/case-study) # Multiband WebSDR receiver on VLF - Posted by ![Red Pitaya Technical Editorial Team](https://content.redpitaya.com/hubfs/Red-pitaya-fav-ikona.png) [Red Pitaya Technical Editorial Team](https://redpitaya.com/Red-Pitaya-Blog-team/) , July 1, 2020 ![](https://content.redpitaya.com/hubfs/websdr_diagram-1.jpg) This one is for all of you who have built or wants to build your own SDR receiver. Check out this multiband WebSDR receiver on VLF, HF and 6m Band, located in Strasbourg JN38un and using a Red Pitaya. [Learn more \>\>](http://www.f4kji.fr/)   ### About the Red Pitaya Team The Red Pitaya Technical Editorial Team is a cross-functional group of technical communicators and product specialists. By synthesizing insights from our hardware developers and global research partners, we provide verified, high-value content that bridges the gap between open-source innovation and industrial-grade precision. Our mission is to make advanced instrumentation accessible to engineers, researchers, and educators worldwide. ##### Categories - [academia (47)](https://content.redpitaya.com/blog/tag/academia) ##### Recent Posts - [![Non-Invasive GERD Detection: Continuous Esophageal Monitoring via Radiofrequency Spectrophotometry](https://content.redpitaya.com/hs-fs/hubfs/blog%20featured%20image%20-%202026-09-17T104035.026.jpg?width=767&name=blog%20featured%20image%20-%202026-09-17T104035.026.jpg)](https://content.redpitaya.com/blog/non-invasive-gerd-detection-radiofrequency-spectrophotometry) [Non-Invasive GERD Detection: Continuous Esophageal Monitoring via Radiofrequency Spectrophotometry](https://content.redpitaya.com/blog/non-invasive-gerd-detection-radiofrequency-spectrophotometry) September 29, 2026 - [![How a $500 Open-Source MRI Console Sparked a Global Research Ecosystem](https://content.redpitaya.com/hs-fs/hubfs/blog%20featured%20image%20-%202026-09-17T131400.982-3.jpg?width=767&name=blog%20featured%20image%20-%202026-09-17T131400.982-3.jpg)](https://content.redpitaya.com/blog/open-source-mri-console-ocra-marcos-red-pitaya) [How a $500 Open-Source MRI Console Sparked a Global Research Ecosystem](https://content.redpitaya.com/blog/open-source-mri-console-ocra-marcos-red-pitaya) September 22, 2026 - [![Probing the Wire: Red Pitaya & Zephyr RTOS Workshop with EESTEC](https://content.redpitaya.com/hs-fs/hubfs/blog%20featured%20image%20-%202026-09-17T130509.363.jpg?width=767&name=blog%20featured%20image%20-%202026-09-17T130509.363.jpg)](https://content.redpitaya.com/blog/zephyr-rtos-nordic-logic-analyzer-workshop-eestec-ljubljana) [Probing the Wire: Red Pitaya & Zephyr RTOS Workshop with EESTEC](https://content.redpitaya.com/blog/zephyr-rtos-nordic-logic-analyzer-workshop-eestec-ljubljana) September 17, 2026 ##### Subscribe to our newsletter ![Red Pitaya](https://content.redpitaya.com/hubfs/raw_assets/public/Red_Pitaya_November_2021/images/redpitaya-logo-wh.svg "Red Pitaya") An open-source solution for hobbyists, professors, radio amateurs and industrial clients. **Red Pitaya** Velika pot 21, 5250 Solkan Slovenia, Europe Phone: +386 30 322 719 Email: [info@redpitaya.com](mailto:info@redpitaya.com) **Red Pitaya US** TX, Dallas - Downtown Republic Center 325 N. 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