Mode library
Timing, VIS, raster, and tone data
46 implementation-backed rows sit alongside 39 reference or verification rows so uncommon analog SSTV modes remain findable.
Open the source-backed spec sheetUK SSTV interest group
SSTV.org.uk collects Slow Scan Television history, analog mode timing, public satellite activity checks, receiving practice, and station notes for operators and listeners who like their signal experiments documented.
Mode library
46 implementation-backed rows sit alongside 39 reference or verification rows so uncommon analog SSTV modes remain findable.
Open the source-backed spec sheetPublic activity log
Checked 2026-08-24T12:37:00Z: ARISS listed the recent ISS SSTV Expedition 74 Series 32 and Series 31 events, both on 437.550 MHz Robot 36, and no later active/future public SSTV window was present in that official page. AMSAT's 2026-07-13 image-satellite list is included as monitoring context, not as a scheduled event list.
Check public sourcesField notes
Occasional bench notes cover radio-to-phone audio, SDR recordings, decode workflow, and the mobile apps we use when travelling light.
Read the app field noteThe docs lead with history, mode families, timing comparisons, and per-mode pages rather than assuming one decoder or one operating style.
The site is designed for Cloudflare's free static hosting path: each build writes checked timestamps into the activity page and avoids per-request Worker work.
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.