SDR++ & CubicSDR Wideband Spectrum Waterfall
Turns a £59 USB software-defined radio dongle into a laboratory-grade visual spectrum waterfall covering 500 kHz to 1.76 GHz—letting you see where active voice, weatherfax, and emergency broadcasts are transmitting across Britain.
Verified UK Configuration Blueprint & Ofcom Clearance
RTL-SDR V4 UK Bookmarks: 198 kHz (BBC Radio 4 Longwave National Emergency Broadcast) • 3.600–3.800 MHz (80m UK NVIS Regional HF) • 121.500 MHz AM (Aviation Distress) • 156.800 MHz FM (Marine Ch 16) • Direct Sampling: Auto
UK Regulatory & Licensing Notes: Cleared under Wireless Telegraphy Act 2006: receive-only monitoring of public broadcasts, amateur bands, and weather/time signals is 100% licence-exempt in the UK.
Technical Deployment Specifications
| Software Stack | SDR++ & CubicSDR Wideband Spectrum Waterfall (SDR++ v1.2.x Cross-Platform DSP) |
|---|---|
| Open-Source Licence | GPL-3.0 Open Source |
| Supported Platforms | Windows • macOS • Linux • Android • Raspberry Pi / ARM |
| Offline Storage Footprint | ~42 MB portable archive (zero internet required) |
Paired UK Stocked Hardware & Related Software
- Companion Hardware: OGA-RF-004
- Companion Hardware: OGA-RF-052
- Companion Hardware: OGA-CMP-006
- Companion Hardware: OGA-RF-003
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Frequently Asked Questions
How should SDR++ & CubicSDR Wideband Spectrum Waterfall be configured for legal off-grid use in the UK?
RTL-SDR V4 UK Bookmarks: 198 kHz (BBC Radio 4 Longwave National Emergency Broadcast) • 3.600–3.800 MHz (80m UK NVIS Regional HF) • 121.500 MHz AM (Aviation Distress) • 156.800 MHz FM (Marine Ch 16) • Direct Sampling: Auto Regulatory status: Cleared under Wireless Telegraphy Act 2006: receive-only monitoring of public broadcasts, amateur bands, and weather/time signals is 100% licence-exempt in the UK.
Which UK hardware systems pair directly with SDR++ & CubicSDR Wideband Spectrum Waterfall?
SDR++ & CubicSDR Wideband Spectrum Waterfall (GPL-3.0 Open Source, footprint: ~42 MB portable archive (zero internet required)) runs on Windows, macOS, Linux, Android, Raspberry Pi / ARM and pairs directly with OGA-RF-004, OGA-RF-052, OGA-CMP-006, OGA-RF-003.