[
 {
  "value": "2.1e-5",
  "sigma": "2.3e-5",
  "source": "Bertotti, Iess and Tortora, Nature 425, 374 (Cassini, Shapiro delay)",
  "year": "2003",
  "provenance": "in house: CALC.md section 5, atlas 07-s165",
  "pooled": "yes"
 },
 {
  "value": "-0.8e-4",
  "sigma": "1.2e-4",
  "source": "Lambert and Le Poncin-Lafitte, A&A 529, A70 (geodetic VLBI deflection, 1979-2010)",
  "year": "2011",
  "provenance": "outward: gamma = 0.99992 +/- 0.00012, PRIOR-ART row 4",
  "pooled": "yes"
 }
]