[
 {
  "value": "6601.8",
  "sigma": "18.3",
  "source": "Everitt et al., Phys Rev Lett 106, 221101 (Gravity Probe B, magnitude of -6601.8)",
  "year": "2011",
  "field": "space geodesy",
  "id": "T7",
  "unit": "mas/yr",
  "quantity": "geodetic drift",
  "grade": "primary abstract, PRIOR-ART row 6",
  "bound_low": "",
  "bound_high": "",
  "recalled": "no"
 },
 {
  "value": "37.2",
  "sigma": "7.2",
  "source": "Everitt et al., Phys Rev Lett 106, 221101 (Gravity Probe B, magnitude of -37.2, GR -39.2)",
  "year": "2011",
  "field": "space geodesy",
  "id": "T8",
  "unit": "mas/yr",
  "quantity": "frame-dragging drift",
  "grade": "primary abstract, PRIOR-ART row 6",
  "bound_low": "",
  "bound_high": "",
  "recalled": "no"
 },
 {
  "value": "0.994",
  "sigma": "0.050",
  "source": "Ciufolini et al., Eur Phys J C 76, 120 (LARES, LAGEOS, LAGEOS 2, GGM05S, 0.002 formal and 0.05 systematic in quadrature)",
  "year": "2016",
  "field": "space geodesy",
  "id": "T9",
  "unit": "1",
  "quantity": "node frame dragging over general relativity",
  "grade": "primary abstract, PRIOR-ART row 8",
  "bound_low": "",
  "bound_high": "",
  "recalled": "no"
 },
 {
  "value": "37229760",
  "sigma": "60480",
  "source": "Nastula and Gross (SLR and GRACE), Chandler wobble 430.9 +/- 0.7 solar days, in seconds",
  "year": "2015",
  "field": "space geodesy",
  "id": "Q01",
  "unit": "s",
  "quantity": "Chandler wobble period",
  "grade": "secondary (abstract listing), PRIOR-ART row 13",
  "bound_low": "",
  "bound_high": "",
  "recalled": "no"
 },
 {
  "value": "86164.0905",
  "sigma": "0.0001",
  "source": "IERS Conventions / Explanatory Supplement, mean sidereal day in mean solar seconds",
  "year": "2010",
  "field": "space geodesy",
  "id": "Q02",
  "unit": "s",
  "quantity": "mean sidereal day",
  "grade": "recalled standard value, PRIOR-ART row 20",
  "bound_low": "",
  "bound_high": "",
  "recalled": "yes"
 },
 {
  "value": "86400",
  "sigma": "0.0001",
  "source": "mean solar day, 86400 mean solar seconds (the unit of Q02)",
  "year": "2010",
  "field": "space geodesy",
  "id": "Q03",
  "unit": "s",
  "quantity": "mean solar day",
  "grade": "definition of the unit",
  "bound_low": "",
  "bound_high": "",
  "recalled": "no"
 }
]