Status

one shell, 22 state machines

The data area is three echoes re-measured every revolution, one closing in each time round. Crossing the guard radius alarms, and a person has to acknowledge before it clears — the first state in the set that needs a human response.

Perimeter Scanner/yard gate · 1 rev / 2.6 s

Scanning

000° · 3 targets

Three contacts, all where they should be

Each revolution re-measures all three returns. Nothing is inside the 6.0 m keep-out radius

A · vehicle: 11.8 mtracking
B · gate post: 12.2 mfixed
C · fence corner: 9.6 mfixed

Keep-out radius 6.0 m

Mechanisma rolling log that needs a human9 of 22The shell, the clock, the scene grammar and the derivation rule are shared; this card contributes its state machine and its device. Every word above is computed from that state in this render — there is no second copy.