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AIS Decoder
Decodes dual-channel AIS traffic from RX audio using 9.6 kbit/s GMSK and HDLC.
VDES Decoder
Decodes single-channel 100 kHz VDES bursts from SDR IQ using the dedicated VDES path.
APRS Decoder
Decodes APRS packets from RX audio using Bell 202 AFSK (1200 baud).
CW Decoder
Decodes CW (Morse code) from RX audio.
FT8 Decoder
Decodes FT8 messages from RX audio (DIG/USB only, toggle required).
FT4 Decoder
Decodes FT4 messages from RX audio (DIG/USB only, toggle required). 7.5-second slots.
FT2 Decoder
Decodes FT2 messages from RX audio (DIG/USB only, toggle required). 3.75-second slots.
WSPR Decoder
Decodes WSPR messages from RX audio (DIG/USB only, toggle required).
RDS Decoder
Decodes Radio Data System (RDS) metadata from WFM broadcasts (57 kHz subcarrier).
Weather Satellite Decoder
Decodes Meteor-M LRPT (137 MHz QPSK) weather satellite imagery.
StatusNo signal
Active mode--
PI--
PS--
PTY--
PTY Code--
PTYN--
TP--
TA--
Audio--
Stereo--
Compressed--
Artificial Head--
Dynamic PTY--
AF--
RadioText--
--
Waiting for server decode
Channels
A 161.975 MHz · B 162.025 MHz
Tracked
0 vessels
Latest
No traffic yet
Waiting for server decode
Channel
100 kHz centered on tuned frequency
Frames
0 bursts
Latest
No traffic yet
Waiting for server decode
Frames
0 total
Visible
0 shown
Latest
No packets yet
Waiting for server decode
Frames
0 total
Visible
0 shown
Latest
No packets yet
Waiting for satellite pass
Meteor-M LRPT — Low Rate Picture Transmission from Meteor-M N2-3/N2-4 (137 MHz QPSK at 72 kbps).
Multi-channel CCSDS-framed imagery (APIDs 64–69) with RGB composite output.
Rig
Search
History
Paths
TRX paths on popup, directed decode paths when target locator is known
Decodes by type
Breakdown of decoded signals by decoder type
Band activity
Decode volume per amateur band
Per-receiver comparison
Decode counts across connected receivers
DX distance distribution
Contact path distance histogram
Longest decode paths
Top 5 directed decode paths by distance
Strongest decoded signal
Top 5 strongest signals by SNR
Weakest decoded signal
Top 5 weakest signals by SNR
Recorder
Time Span Entries (UTC)
When multiple entries overlap, spend this many minutes at each before cycling. Leave blank to disable.
Entry details
| Start | End | Center freq | Primary bookmark | Extra channels | Label | Interleave (min) | REC | |
|---|
No background decode bookmarks configured.
Bandplan Display
The bandplan strip is shown above the spectrum plot when a region is selected and the visible frequency range overlaps a band allocation.
Legend
CW
Phone / SSB
Narrow / Digital
FM
All Modes
Beacon
Satellite
Full Decode History
These buttons clear the server-side decode history and reset the corresponding decoder state.
Authenticated as: --
Server
| Version | -- |
| Build date | -- |
| Address | -- |
| Callsign | -- |
| Location | -- |
| Uptime | -- |
| Rig | -- |
| Active rig | -- |
| Available rigs | -- |
| Connection | -- |
| Modes | -- |
| VFOs | -- |
| Codec | -- |
| Sample rate | -- |
| Channels | -- |
| Bitrate | -- |
| Frame duration | -- |
| RX status | Off |
| Active streams | -- |
| FT8 | Off |
| FT4 | Off |
| FT2 | Off |
| WSPR | Off |
| CW | Off |
| APRS | Off |
| Meteor LRPT | Off |
| PSK Reporter | -- |
| APRS-IS | -- |
| Rigctl endpoint | -- |
| Rigctl clients | -- |
| Version | {pkg} v{ver} |
| Build date | {client_build_date} |
| HTTP clients | -- |
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Preparing recent decodes for the UI
