Geolocation Verification

What This Is

Verification is where individual clues become a defensible conclusion. A geolocation is only as good as its weakest assumption, so this stage cross-checks every line of evidence, triangulates the exact point from multiple observations, normalises the coordinates, and documents the reasoning so another analyst can reproduce it. It is the discipline that separates a confident guess from a proven location.

When to Use This

Apply verification whenever a geolocation will be relied on:

• Before reporting a location as confirmed rather than suspected

• When multiple images or viewpoints of the same place need to be reconciled

• When a claimed location must be proven or disproven to a standard others will scrutinise

• When coordinates need converting between the formats used by different tools and reports

The Workflow

Gather every clue produced by the earlier stages, then test each independently against imagery and map data. Triangulate the exact spot by intersecting sightlines or matching fixed geometry across sources. Convert the final coordinate into the required formats, and write up the chain of evidence with each source and its date so the conclusion stands on its own.

Subpages

• Triangulation and Multi-Source Verification: intersect sightlines, cross-check sources, and convert coordinates

OpSec Note

Verification is analysis over already-collected material and public references, so it adds no new exposure against the target. Its purpose is to protect the investigation from its own errors: a location asserted without cross-checking is a liability, particularly where the finding will be acted on or published.