Local Level Lab

Airborne measurements. Open methods.

Complete common-force-transform prediction comparison

48/48 sectors pass correctness; state: complete.

All six cases meet the preregistered twofold width-reduction target: no.

Complete generated prediction widths at 7.2 seconds; all original physical boxes, eight sectors and 51 columns remain. These are not measured aircraft errors, calibrated intervals or new model preferences.

Candidate / removal Complete Width N / E / height (m) Ratio to projected baseline Twofold target
Globe with specified field / zero Yes 1.2729, 1.6489, 1.0761 0.5064, 0.5861, 0.5846 No
Globe with specified field / profiled Yes 1.3584, 1.7238, 1.1626 0.5226, 0.5967, 0.6034 No
Globe with zero field / zero Yes 0.9782, 1.0536, 0.7584 0.4334, 0.4558, 0.4694 Yes
Globe with zero field / profiled Yes 1.1344, 1.1995, 0.9145 0.4700, 0.4854, 0.5158 No
Flat disc / zero Yes 0.7005, 0.2203, 0.5252 0.3462, 0.3577, 0.3434 Yes
Flat disc / profiled Yes 0.8894, 0.2791, 0.7080 0.4031, 0.4160, 0.4132 Yes

The study charged 144 native calls and 384 bounds in 2985.6 seconds. Bound-step reservations count both exact-clock and propagation passes. No original aircraft reads, observed fits or protected ESA outcomes occur. Recording-scale usefulness, whole-program numerical treatment and observation-error adequacy remain separate gates.

Frozen scope · Joint qualification · Projected baseline · Roadmap.