Web SDRs

Web SDRs

Stafford, Staffs

Two separate web SDRs:

http://160m.net/

https://160m.net/

Hack Green, Nantwich

Nantwich Secret Nuclear Bunker, formerly R.A.F. Hack Green

HF: http://hackgreensdr.org:8901
VHF/UHF: http://hackgreensdr.org:8902

Brentwood, Essex

Kelvedon Hatch Secret Nuclear Bunker (https://secretnuclearbunker.com/)

HF Receiver

http://sdr.gb0snb.com:8073

The HF receiver is a KiwiSDR coupled with a wideband WellGood Loop receiving antenna. It covers from DC (well, around 5 kHz) to 33 MHz.

VHF-SHF Receiver

The antenna is currently a Diamond V2000A at 45m above ground (~135m above sea). The bands and frequencies covered are listed below; bands marked with an asterisk (*) may later be configured to have switchable segments within the band.

6m (50 – 52 MHz)
4m (70 – 72 MHz)
2m (144 – 146 MHz)
70cm (432 – 434 MHz)*
23cm (1296 – 1298 MHz)*

http://vhfsdr.gb0snb.com:8074

Reading, Berkshire

OpenWebRX SDR covering 6m, 4m, 2m, 70cm. Location: Sonning, east of Reading, Berkshire.

https://sdr.radarc.org

Hertfordshire, north of London

This WebSDR is using RTL Dongle receivers on all bands, on VHF and UHF the antenna is Diamond V2000. The 4 meter vertical antenna is a Siro CX-4-68 4M, located IO91tp. It is operated by M0XVT and G3VHH.

http://sdr.codedv.com:8091/

Goonhilly, Cornwall

This WebSDR is hosted at Goonhilly Earth Station in Cornwall at 50.0524°, -5.1823° (IO70JB). The WebSDR was upgraded in September 2022 for additional amateur bands.