This is the method behind every figure on the Electronic Conspicuity Monitor. The rules were written down and committed before the data they govern was collected, as version 1, in force from 4 October 2026; every later change is committed with its date and its reason. Both are shown below exactly as they stand in the public repository, in the version the service is running, read from it each time this page opens, so this page cannot drift from the record.
Version and changes
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The method as it stands
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