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/Index/Offnadir-delta/Derived satellite-SAR maritime vessel-detection time series: per-site
OD

Derived satellite-SAR maritime vessel-detection time series: per-site

OFFNADIR-DELTAManage supplier listing

Derived satellite-SAR maritime vessel-detection time series: per-site (port / chokepoint / named sea) counts of vessel-like radar targets from every new Sentinel-1 C-band pass processed with CFAR detection, irrespective of AIS transmission, each count scored against that site's own historical baseline and flagged when the modified z-score exceeds 3.5. Also includes a monitored-area registry with facility geofences (250 m-3 km) and city-scale zones (5-20 km), a maritime-event stream (naval, shipping and port reports) resolved to named facilities vs. merely-nearby mentions, and predicted pass windows for the next 7 days across Sentinel-1, NISAR and commercial SAR. Companion layers on the same platform: VIIRS gap-filled nighttime lights, NASA FIRMS active-fire hotspots, and AI-geolocated news-event signals.

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Offnadir-delta/Derived satellite-SAR maritime vessel-detection time series: per-site
SampleCoverage

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Coverage

Universe, instruments and categories.

Industry
Application Software
Instruments
equitiescommodities
Categories
GeospatialAlternative
Supply Chain
Sentiment
Regions
USOtherJapan
Sample tickers
ZIMMATXGNKINSWRCLCCL9101.TOCE
Dataset card
Type
not stated
Format
Tabular/time-series detection counts and anomaly flags served through a REST API, a Python SDK and an MCP server, with STAC / Cloud-Optimized-GeoTIFF access to the underlying imagery layers and user GeoTIFF/GeoJSON upload overlay
Volume
One Sentinel-1 SAR pass per watched site per revisit (~12-day repeat, shorter where tracks overlap), each processed into a vessel count; over a port/chokepoint registry plus arbitrary coastal points, with watch quotas of 3 / 10 / 25 sites by plan. Augmented by daily-composite VIIRS nighttime lights (~500 m), daily 375 m active-fire hotspots, and a continuous global news-derived event stream.
Users
N/A — free-tier self-serve subscription product run as an independent personal project; no account or registered-user figure is published on any retrieved page
History
2 years
Update frequency
not stated
Growth
Active / early — live multi-layer platform extending to new constellations (NISAR L-band on plans that include it, commercial-SAR pass predictions), maintained author blog, NISAR integration described as upcoming; run as an independent personal project rather than a funded company, so growth is organic
Launched
~2025-2026 (author profile cites a 2026 doctoral credential and the platform's referenced event records run through late 2026; the founder's public satellite-tooling development history dates to 2020, indicating a long pre-launch build)
Delivery
not stated
Entity mapping
not stated
Sample
not stated
Point-in-time
not stated
Licence
not stated

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Offnadir-delta has not added their own details yet. Not yet on file:

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  • Data dictionary
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