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Is Starlink A Secret Radar Constellation?

Noise In Space · 498.2K views · 2026-04-21 · 1:44:34

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Overview

A 105-minute technical deep dive from Noise In Space evaluating whether Starlink satellites could work as synthetic aperture radar. It covers SAR signal-to-noise, amplifiers, antennas, duplexing, phased array beamforming and simulations of V2 Mini and V3 satellites.

On Hacker News

Cited as a rigorous radio-engineering analysis of what radar capability Starlink could plausibly have.

Recommended by 3 HN people across 1 months · HN mentions 2026–2026

Topics

Space exploration & spaceflightElectronics & circuit designInformation theory & signal processing
Search by tags
starlinksynthetic aperture radarphased arrayssatellitesrf engineering

What people said

cmrx64 · 2026-05 · Recommendation

and soon from space? radio engineering breakdown of starlink radar capabilities, it’s a pretty impressive bird if you were designing it only for that: [VIDEO]

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Enginerrrd · 2026-05 · Recommendation

Yeah, I agree. A massive radar network, passive or active is the most likely possibility I have come across. You'd need a LOT of compute at each node to get the most out of the network. I found this video[1] to be a pretty convincing analysis of the absolute max capability you could expect, and it would indeed be impressive. [1] [VIDEO]

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yellowbkpk · 2026-05 · Recommendation

Check out this video that goes into a very deep technical explanation about how the satellites can be used as a Synthetic Aperature Radar to build a realtime representation of the entire globe at meters of resolution: [VIDEO]

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Sources

Video by Noise In Space, played through YouTube.

Data and selection notes

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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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