Live Directories & Maps
These are the current best places to discover online SDR receivers. Lists update as receivers appear and disappear.
Primary directories
Receiverbook.de
Searchable directory of KiwiSDR, OpenWebRX and WebSDR receivers. Good filters and status indicators.
rx-tx.info โ Table of SDR Receivers
Large database (2000+ entries). Filter by country, band, type, frequency range.
rx-tx.info โ Map
Map view of the same database.
WebSDR.org
Official automatic list of classic WebSDR servers maintained by PA3FWM.
KiwiSDR Map โ rx.linkfanel.net
Interactive world map of public KiwiSDR receivers. Click any marker to open that receiver.
Skywave Linux โ Best Internet SDRs
Hand-picked higher-quality / higher-SNR receivers, often with direct frequency presets.
Other useful links
Note: Individual receiver URLs change, go offline, or become full. Always prefer the live directories above rather than bookmarks of single receivers when possible.