diff --git a/Armory/ClassPW.h b/Armory/ClassPW.h
index 8442257..b34cc90 100755
--- a/Armory/ClassPW.h
+++ b/Armory/ClassPW.h
@@ -122,7 +122,7 @@ private:
   //  const float zLen = 348.6; // mm
   const float zLen = 174.3 * 2; // mm
   const float radiusA = 37;
-  const float radiusC = 43;
+  const float radiusC = 42;
 
   double dAngle;
   double anodeLength;
@@ -626,7 +626,7 @@ inline double PW::GetZ0()
 // cathodes see the induced/mirror charge, and the guard wires are field-shaping, not read out.
 const double kPCHyperbC = 301.895;
 const double kPCAnodeWaist = 32.0429;                 // ring radius 37 mm -- readout
-const double kPCCathodeWaist = 32.0429 * 43.0 / 37.0; // ring radius 43 mm -- induced charge
+const double kPCCathodeWaist = 32.0429 * 42.0 / 37.0; // ring radius 43 mm -- induced charge
 const double kPCGuardWaist = 32.0429 * 32.0 / 37.0;   // ring radius 32 mm -- not read out
 
 // Intersection of the segment x1 -> x1+dx with the one-sheet hyperboloid of waist a, flare c.
diff --git a/Armory/PCZRecon.h b/Armory/PCZRecon.h
index a02c852..1f93833 100644
--- a/Armory/PCZRecon.h
+++ b/Armory/PCZRecon.h
@@ -314,7 +314,8 @@ inline double a1c2_zfix(double z)
 {
   double result = z;
   double slope = 0.52;
-  double z_grid[8] = {147.998, 101.946, 59.7634, 19.6965, -19.6965, -59.7634, -101.946, -147.998};
+  double z_grid[8] = {148.2677, 102.1111, 59.8527, 19.7248, -19.7248, -59.8527, -102.1111, -148.2677};
+
   for (int i = 0; i < 7; i++)
   {
     if (z <= z_grid[i] && z > z_grid[i + 1])
diff --git a/TrackRecon.C b/TrackRecon.C
index 4bad71f..e14b871 100644
--- a/TrackRecon.C
+++ b/TrackRecon.C
@@ -269,8 +269,7 @@ struct AAEjectileMasses
   double m_p, m_rp; // proton ejectile, recoil
 };
 
-const double a1c1_zg[8] = {147.998, 101.946, 59.7634, 19.6965, -19.6965, -59.7634, -101.946, -147.998};
-
+const double a1c1_zg[8] = {148.2677, 102.1111, 59.8527, 19.7248, -19.7248, -59.8527, -102.1111, -148.2677};
 // cell:                                   0      1      2      3      4      5       6
 static const double a1c1_cfmin_17F[7] = {0.410, 0.420, 0.398, 0.415, 0.402, 0.420, 0.410};
 static const double a1c1_k_17F[7] = {0.075, 0.099, 0.086, 0.069, 0.163, 0.099, 0.075};