ONE EARTH (hr, firm sites only) — 22 pre-1600 records in 12 segments; knots every 300 y, step 0.25 h, max bend 0.75 h
  conventional: 9 of 10 landing records threaded by one curve (90%)
  alias chronologies (300 draws from each segment's own aliases): mean 88%, 95th pct 90%; 34% thread at least as well as the conventional
  conventional curve δ (hours vs library ΔT): 0:-0.75, 300:-0.50, 600:-0.50, 900:-0.25, 1200:-0.25, 1500:-0.25, 1800:-0.25