Mode library
Timing, VIS, raster, and tone data
53 implementation-backed rows sit alongside 33 reference or verification rows so uncommon analog SSTV modes remain findable.
Open the technical spec sheetUK SSTV interest group
SSTV.org.uk
Slow Scan Television history, mode timing and receiving notes from a UK listener's bench.
Watch a known signal turn into a picture, then try the same recording. No radio is needed.
Lite 2.0: 3 free SSTV or Weather Fax receives.
A use is counted when a supported mode is identified, even if reception does not finish. Watching the demo here costs no receives.
Already receiving? Get Pro: SSTV Signal Desk for the full app with a one-time purchase. Read the trial and unlock rules.
Receive
Start receiving SSTV with a cleaner station path
Use the UK receiving guide for ISS and satellite checks, HF listening notes, audio levels, SDR recordings, and replay checks.
Open the receiving guideEvent schedule
Upcoming SSTV events and satellite references
Checked 2026-10-20T09:56:49Z: public source data currently lists Expedition 75 Series 34 "ARISS Hardware" on 437.55 MHz Robot 36. Confirm exact UTC times with the linked source before operating.
View SSTV eventsStation log
Receiving notes, new reference material and the latest published event data snapshot.
Latest published data snapshot
2026-10-20T09:56:49Z
Schedules can change. Confirm details in the original announcement before a pass.
Checked 2026-10-20T09:56:49Z: public source data currently lists Expedition 75 Series 34 "ARISS Hardware" on 437.55 MHz Robot 36. Confirm exact UTC times with the linked source before operating.
View the event scheduleApp review
SSTV Lite on iOS: a receiver review, from first decode to full unlock
A close look at Lite's receive workflow, spectrum and waterfall, three-use allowance, saved images and permanent unlock, with the limits of our iOS checks stated.
Activity notebook
October ISS SSTV: the Series 33 Student Education window
The completed 2-6 October ISS campaign, Robot 36 on 437.550 MHz, UK local times and records to keep after a pass.
What lives here
Reference-first documentation
The docs lead with history, mode families, timing comparisons, and per-mode pages rather than assuming one decoder or one operating style.
Waveforms to replay
Compare a known test card with your own recording. The sample library includes analog SSTV, SSDV packets, DRM image services and Weather Fax line-rate strips.
Browse the sample libraryUK operating viewpoint
Notes are written from a UK listener's bench, with public satellite events, HF compatibility modes, and practical receiving setups kept in the same index.