diff --git a/.gitignore b/.gitignore
index bdc7423..d0fb214 100644
--- a/.gitignore
+++ b/.gitignore
@@ -17,6 +17,7 @@ data/
 data_proton/
 Sudarshan/
 wires2d/
+myenv/
 Analyzer_C_ACLiC_dict0713aaa966_dictContent.h
 .gitignore
 Analyzer_C_ACLiC_dict5411fecd5c_dictUmbrella.h
diff --git a/Armory/SX3Geom.h b/Armory/SX3Geom.h
index 1b72241..dc7a632 100755
--- a/Armory/SX3Geom.h
+++ b/Armory/SX3Geom.h
@@ -72,6 +72,7 @@ public:
 
 void sx3::fillevent(const std::string& positionstring, const int subchannel, const float value) {
     assert(subchannel>=0 && subchannel<4);
+    foundevent=1;
     if(positionstring=="FRONT_L") {
         frontL[subchannel].push_back(value);
         unmatched_front_chans.insert(subchannel);
@@ -127,7 +128,7 @@ void sx3::validate() {
 			for(auto thing: frontL[chan]) std::cout << thing << " " << std::flush;
 			std::cout << "\nR:" << std::endl;
 			for(auto thing: frontR[chan]) std::cout << thing << " " << std::flush;*/
-            if(frontL[chan].at(0) + frontR[chan].at(0)> maxFE) {
+            if(frontL[chan].at(0) + frontR[chan].at(0)>= maxFE) {
                 maxFE = frontL[chan].at(0) + frontR[chan].at(0);
                 //zpos = (frontL[chan].at(0)-frontR[chan].at(0))/maxFE;
                 fchan = chan;
@@ -144,7 +145,7 @@ void sx3::validate() {
             	printf("foo\n");
             	//continue;
             }
-            if(back[chan].at(0) > maxBE) {
+            if(back[chan].at(0) >= maxBE) {
                 maxBE = back[chan].at(0);
                 bchan = chan;
             }
@@ -156,6 +157,12 @@ void sx3::validate() {
         		- Total F and B energies (frontE, backE) *are*.
         	Sudarsan B, 31 Oct 2024
         */
+        
+        if(fchan==-1 || bchan==-1) {
+        	std::cout << "how" << std::endl;
+        	std::cout << "fc " << std::flush; for(auto fc : valid_front_chans) std::cout << fc << " (" << frontL[fc].at(0) << "," << frontR[fc].at(0)<< ") "; std::cout << std::endl;
+        	std::cout << "bc " << std::flush; for(auto bc : valid_back_chans) std::cout << bc << " " << back[bc].at(0) << std::flush; std::cout << std::endl;
+       	}
         float Eleft = frontL[fchan].at(0);
         float Eright = frontR[fchan].at(0);
         frontEL = Eleft;
diff --git a/MakeVertex.C b/MakeVertex.C
index c69cea1..20ca930 100755
--- a/MakeVertex.C
+++ b/MakeVertex.C
@@ -1084,6 +1084,7 @@ Bool_t MakeVertex::Process(Long64_t entry)
                         plotter->Fill2D("Benchmark_SX3_VertexZ_Twisted_vs_0Cathode_sx3" + std::to_string(sx3event.ch2), 400, -200, 200, 400, -200, 200, r_rhoMin_fix.Z(), vertex_recon, "1wire");
                         plotter->Fill2D("Benchmark_SX3_VertexZ_Twisted_vs_0Cathode_anode" + std::to_string(aWireID), 400, -200, 200, 400, -200, 200, r_rhoMin_fix.Z(), vertex_recon, "1wire");
                         plotter->Fill2D("Benchmark_SX3XY" + std::to_string(sx3event.ch2), 400, -100, 100, 400, -100, 100, vector_minimisedto_z.X(), vector_minimisedto_z.Y(), "1wire");
+                        plotter->Fill2D("Benchmark_SX3z_vs_VertexZ0C", 400, -200, 200, 400, -200, 200, sx3event.pos.Z(), vertex_recon, "1wire");
                     }
                 }
                 // ==============================================================================
@@ -1140,7 +1141,7 @@ Bool_t MakeVertex::Process(Long64_t entry)
                     // ==============================================================================
                     // Look at how close we actually got to the Si Phi.
                     // If min_delta_phi > 0.1 radians, it means the track never truly matched the wire!
-                    plotter->Fill1D("Benchmark_SX3_Min_DeltaPhi", 5000, -10, 10, min_delta_phi, "1wire");
+                    plotter->Fill1D("Benchmark_SX3_Min_DeltaPhi", 5000, -200, 200, min_delta_phi / TMath::Pi() * 180, "1wire");
 
                     // Standard benchmarking comparisons against the A1C2 Cathode baseline
                     plotter->Fill1D("Benchmark_SX3_PCZ_Diff_Scan", 800, -180, 180, pcz_minimized - pcevent.pos.Z(), "1wire");
@@ -1282,6 +1283,7 @@ Bool_t MakeVertex::Process(Long64_t entry)
         // Loop over SX3_Events directly
         for (auto sx3event : SX3_Events)
         {
+
             if (sx3event.Time1 - aTime < -150) // Time cut for protons
             {
                 // 1. Define the plane of the track (Z-axis to SX3 hit)
@@ -1304,6 +1306,32 @@ Bool_t MakeVertex::Process(Long64_t entry)
                 double deltaZ = sx3event.pos.Z() - pcz_intersect.Z();
 
                 double vertex_recon = sx3event.pos.Z() - sx3event.pos.Perp() * (deltaZ / deltaRho);
+                std::string vtx_gate = "";
+
+                if (vertex_recon >= -176.0 && vertex_recon < -100.0)
+                {
+                    vtx_gate = "_Z[-176_to_-100]";
+                }
+                else if (vertex_recon >= -100.0 && vertex_recon < -50.0)
+                {
+                    vtx_gate = "_Z[-100_to_-50]";
+                }
+                else if (vertex_recon >= -50.0 && vertex_recon < 0.0)
+                {
+                    vtx_gate = "_Z[-50_to_0]";
+                }
+                else if (vertex_recon >= 0.0 && vertex_recon < 50.0)
+                {
+                    vtx_gate = "_Z[0_to_50]";
+                }
+                else if (vertex_recon >= 50.0 && vertex_recon < 100.0)
+                {
+                    vtx_gate = "_Z[50_to_100]";
+                }
+                else if (vertex_recon >= 100.0 && vertex_recon < 176.0)
+                {
+                    vtx_gate = "_Z[100_to_176]";
+                }
 
                 // 4. Energy Loss Correction in Silicon
                 double path_length = (sx3event.pos - TVector3(0, 0, vertex_recon)).Mag() * 0.1;
@@ -1313,16 +1341,20 @@ Bool_t MakeVertex::Process(Long64_t entry)
                 double sinTheta = TMath::Sin(theta_recon);
 
                 // 5. Fill Diagnostics
-                plotter->Fill1D("1A0C_twisted_pcz_recon_Phi_SX3" + std::to_string(PCSX3PhiCut), 600, -300, 300, pcz_intersect.Z(), "1A0C");
-                plotter->Fill1D("1A0C_twisted_vertex_recon_Phi_SX3" + std::to_string(PCSX3PhiCut), 600, -300, 300, vertex_recon, "1A0C");
+                plotter->Fill2D("1A0C_dE_Ecorr_Anode_SX3", 400, 0, 30, 800, 0, 40000, sx3Efix, aEnergy * sinTheta, "1A0C");
+                if (vtx_gate != "")
+                {
+                    plotter->Fill1D("1A0C_twisted_pcz_recon_SX3" + vtx_gate, 600, -300, 300, pcz_intersect.Z(), "1A0C");
+                    plotter->Fill1D("1A0C_twisted_vertex_recon_SX3" + vtx_gate, 600, -300, 300, vertex_recon, "1A0C");
 
-                plotter->Fill2D("1A0C_sx3_E_vs_theta_raw_Phi_SX3" + std::to_string(PCSX3PhiCut), 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, sx3event.Energy1, "1A0C");
-                plotter->Fill2D("1A0C_sx3_E_vs_theta_corr_Phi_SX3" + std::to_string(PCSX3PhiCut), 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, sx3Efix, "1A0C");
+                    plotter->Fill2D("1A0C_sx3_E_vs_theta_raw_SX3" + vtx_gate, 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, sx3event.Energy1, "1A0C");
+                    plotter->Fill2D("1A0C_sx3_E_vs_theta_corr_SX3" + vtx_gate, 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, sx3Efix, "1A0C");
 
-                plotter->Fill2D("1A0C_dE_Ecorr_Anode_SX3_Phi" + std::to_string(PCSX3PhiCut), 400, 0, 30, 800, 0, 40000, sx3Efix, aEnergy * sinTheta, "1A0C");
+                    plotter->Fill2D("1A0C_dE_Ecorr_Anode_SX3" + vtx_gate, 400, 0, 30, 800, 0, 40000, sx3Efix, aEnergy * sinTheta, "1A0C");
 
-                // Track where on the wire the hit occurred (0 to 1 is inside the physical PC)
-                plotter->Fill1D("1A0C_wire_t_parameter_Phi" + std::to_string(PCSX3PhiCut), 200, -0.5, 1.5, t_intersect, "1A0C");
+                    // Track where on the wire the hit occurred (0 to 1 is inside the physical PC)
+                    plotter->Fill1D("1A0C_wire_t_parameter" + vtx_gate, 200, -0.5, 1.5, t_intersect, "1A0C");
+                }
             }
         }
 
@@ -1353,6 +1385,33 @@ Bool_t MakeVertex::Process(Long64_t entry)
 
                 double vertex_recon = qqqevent.pos.Z() - qqqevent.pos.Perp() * (deltaZ / deltaRho);
 
+                std::string vtx_gate = "";
+
+                if (vertex_recon >= -176.0 && vertex_recon < -100.0)
+                {
+                    vtx_gate = "_Z[-176_to_-100]";
+                }
+                else if (vertex_recon >= -100.0 && vertex_recon < -50.0)
+                {
+                    vtx_gate = "_Z[-100_to_-50]";
+                }
+                else if (vertex_recon >= -50.0 && vertex_recon < 0.0)
+                {
+                    vtx_gate = "_Z[-50_to_0]";
+                }
+                else if (vertex_recon >= 0.0 && vertex_recon < 50.0)
+                {
+                    vtx_gate = "_Z[0_to_50]";
+                }
+                else if (vertex_recon >= 50.0 && vertex_recon < 100.0)
+                {
+                    vtx_gate = "_Z[50_to_100]";
+                }
+                else if (vertex_recon >= 100.0 && vertex_recon < 176.0)
+                {
+                    vtx_gate = "_Z[100_to_176]";
+                }
+
                 // 4. Energy Loss Correction in Silicon
                 double path_length = (qqqevent.pos - TVector3(0, 0, vertex_recon)).Mag() * 0.1;
 
@@ -1363,17 +1422,21 @@ Bool_t MakeVertex::Process(Long64_t entry)
                 double sinTheta = TMath::Sin(theta_recon);
 
                 // 5. Fill Diagnostics
-                plotter->Fill1D("1A0C_twisted_pcz_recon_Phi_QQQ" + std::to_string(PCSX3PhiCut), 600, -300, 300, pcz_intersect.Z(), "1A0C");
-                plotter->Fill1D("1A0C_twisted_vertex_recon_Phi_QQQ" + std::to_string(PCSX3PhiCut), 600, -300, 300, vertex_recon, "1A0C");
+                plotter->Fill2D("1A0C_dE_Ecorr_Anode_QQQ", 400, 0, 30, 800, 0, 40000, qqqEfix, aEnergy * sinTheta, "1A0C");
 
-                // FIXED: Changed "sx3" to "qqq" in the histogram names to avoid overwriting your barrel data
-                plotter->Fill2D("1A0C_qqq_E_vs_theta_raw_Phi_" + std::to_string(PCSX3PhiCut), 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, qqqevent.Energy1, "1A0C");
-                plotter->Fill2D("1A0C_qqq_E_vs_theta_corr_Phi_" + std::to_string(PCSX3PhiCut), 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, qqqEfix, "1A0C");
+                if (vtx_gate != "")
+                {
+                    plotter->Fill1D("1A0C_twisted_pcz_recon_QQQ" + vtx_gate, 600, -300, 300, pcz_intersect.Z(), "1A0C");
+                    plotter->Fill1D("1A0C_twisted_vertex_recon_QQQ" + vtx_gate, 600, -300, 300, vertex_recon, "1A0C");
 
-                plotter->Fill2D("1A0C_dE_Ecorr_Anode_QQQ_Phi" + std::to_string(PCSX3PhiCut), 400, 0, 30, 800, 0, 40000, qqqEfix, aEnergy * sinTheta, "1A0C");
+                    plotter->Fill2D("1A0C_qqq_E_vs_theta_raw_QQQ" + vtx_gate, 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, qqqevent.Energy1, "1A0C");
+                    plotter->Fill2D("1A0C_qqq_E_vs_theta_corr_QQQ" + vtx_gate, 180, 0, 180, 400, 0, 30, theta_recon * 180. / M_PI, qqqEfix, "1A0C");
 
-                // Track where on the wire the hit occurred (0 to 1 is inside the physical PC)
-                plotter->Fill1D("1A0C_wire_t_parameter_QQQ_Phi" + std::to_string(PCSX3PhiCut), 200, -0.5, 1.5, t_intersect_QQQ, "1A0C");
+                    plotter->Fill2D("1A0C_dE_Ecorr_Anode_QQQ" + vtx_gate, 400, 0, 30, 800, 0, 40000, qqqEfix, aEnergy * sinTheta, "1A0C");
+
+                    // Track where on the wire the hit occurred (0 to 1 is inside the physical PC)
+                    plotter->Fill1D("1A0C_wire_t_parameter_QQQ" + vtx_gate, 200, -0.5, 1.5, t_intersect_QQQ, "1A0C");
+                }
             }
         }
     }
@@ -1544,7 +1607,6 @@ Bool_t MakeVertex::Process(Long64_t entry)
 
                             // B. Compare the Vertex Z-coordinate
                             plotter->Fill1D("Benchmark_VertexZ_Difference", 400, -100, 100, vertex_recon_twisted - r_rhoMin_fix.Z(), "1wire");
-                            plotter->Fill1D("Benchmark_VertexZ_Difference", 400, -100, 100, vertex_recon_twisted - r_rhoMin_fix.Z(), "1wire");
                             plotter->Fill2D("Benchmark_VertexZ_Twisted_vs_Cathode", 400, -200, 200, 400, -200, 200, r_rhoMin_fix.Z(), vertex_recon_twisted, "1wire");
 
                             // C. Diagnostic: Where on the wire did it hit?
diff --git a/MakeVertex.h b/MakeVertex.h
index 776ec5a..dd14d32 100644
--- a/MakeVertex.h
+++ b/MakeVertex.h
@@ -117,6 +117,7 @@ void MakeVertex::Init(TTree *tree){
    fChain->SetBranchAddress("miscCh",    &misc.ch, &b_miscCh);
    fChain->SetBranchAddress("miscE",     &misc.e, &b_miscE);
    fChain->SetBranchAddress("miscT",     &misc.t, &b_miscT);
+   fChain->SetBranchAddress("miscf",    &misc.tf, &b_miscTf);
 }
 
 Bool_t MakeVertex::Notify(){
diff --git a/run_27Al.sh b/run_27Al.sh
index b2a5ba7..8b4f914 100644
--- a/run_27Al.sh
+++ b/run_27Al.sh
@@ -1,4 +1,4 @@
-#rm results_run*.root
+rm results_run*.root
 export DATASET="27Al"
 export flip180="0"
 export flipa=0
@@ -11,7 +11,7 @@ export anode_offset=1
 #done
 
 declare -i run=50
-while [[ $run -lt 59 ]]; do #runs 1 to 84
+while [[ $run -lt 55 ]]; do #runs 1 to 84
     wrun=$(printf "%03d" $run)
     root -q -l -b -x ../ANASEN_analysis/data/27Al_Data/Run_"$wrun"_mapped.root -e 'tree->Process("MakeVertex.C+O","Analyzer_27Al.root")'; mv Analyzer_27Al.root 27Al_output/results_run$wrun.root;
     run=run+1
diff --git a/run_sx3.sh b/run_sx3.sh
index e298c58..4206b38 100755
--- a/run_sx3.sh
+++ b/run_sx3.sh
@@ -20,7 +20,7 @@ fi
 export DATASET="27Al"
 export flip180="0"
 #root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_009_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run09.root;
-if [[ 1 -eq 1 ]]; then
+if [[ 1 -eq 0 ]]; then
 #export timecut_low=230.0;
 export timecut_low=400.0;
 #export timecut_high=400.0;
@@ -37,14 +37,14 @@ fi
 #protons+gas, 27Al
 #export flip180="1"
 #export flip180="0"
-if [[ 1 -eq 0 ]] ; then
+if [[ 1 -eq 0 ]]; then
 export flipa=0
 export anode_offset=0
 export source_vertex=-200.0; #put the 'source' on the entrance window
-root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_015_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run15.root;
-exit
-root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_017_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run17.root;
 root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_018_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run18.root;
+exit
+root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_015_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run15.root;
+root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_017_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run17.root;
 root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_019_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run19.root;
 root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_020_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run20.root;
 root -q -b -x ../ANASEN_analysis/data/27Al_Data/Run_021_mapped.root -e 'tree->Process("MakeVertex.C+O")'; mv Analyzer_SX3.root results_run21.root;
diff --git a/sx3cal/27Al/backgains.dat b/sx3cal/27Al/backgains.dat
index d1af840..278ae78 100755
--- a/sx3cal/27Al/backgains.dat
+++ b/sx3cal/27Al/backgains.dat
@@ -1,28 +1,56 @@
-1 front 0 back 2 4.03168
-1 front 1 back 2 4.03168
-1 front 2 back 2 4.11533
-1 front 3 back 2 4.17315
-7 front 0 back 2 4.26886
-7 front 0 back 1 3.44529
-7 front 1 back 2 4.26886
-7 front 1 back 1 3.44529
-7 front 2 back 2 4.26886
-7 front 2 back 1 3.46759
-7 front 3 back 2 4.26886
-7 front 3 back 1 3.44529
-9 front 0 back 2 3.63215
-9 front 0 back 1 3.42327
-9 front 1 back 2 3.63215
-9 front 1 back 1 3.42327
-9 front 2 back 2 3.65694
-9 front 2 back 1 3.46759
-9 front 3 back 2 3.68208
-9 front 3 back 1 3.42327
-3 front 0 back 2 3.
-3 front 0 back 1 3.
-3 front 1 back 2 3.65694
-3 front 1 back 1 3.68208
-3 front 2 back 2 3.70756
-3 front 2 back 1 3.78616
-3 front 3 back 2 3.7334
-3 front 3 back 1 3.68208
+1 front 0 back 2 3.63215
+1 front 0 back 3 3.23711
+1 front 0 back 0 3.44529
+1 front 1 back 2 3.63215
+1 front 1 back 3 3.38008
+1 front 1 back 0 3.46759
+1 front 2 back 2 3.70756
+1 front 2 back 3 3.21767
+1 front 2 back 0 3.46759
+1 front 3 back 2 3.75959
+1 front 3 back 3 3.21767
+1 front 3 back 0 3.44529
+7 front 0 back 2 3.78616
+7 front 0 back 1 3.07016
+7 front 0 back 3 3.68208
+7 front 0 back 0 3.14218
+7 front 1 back 2 3.81311
+7 front 1 back 1 3.12386
+7 front 1 back 3 3.65694
+7 front 1 back 0 3.14218
+7 front 2 back 2 3.84045
+7 front 2 back 1 3.14218
+7 front 2 back 3 3.60769
+7 front 2 back 0 3.14218
+7 front 3 back 2 3.86817
+7 front 3 back 1 3.12386
+7 front 3 back 3 3.68208
+7 front 3 back 0 3.14218
+9 front 0 back 2 3.29688
+9 front 0 back 1 3.12386
+9 front 0 back 3 3.12386
+9 front 0 back 0 3.03537
+9 front 1 back 2 3.29688
+9 front 1 back 1 3.12386
+9 front 1 back 3 3.14218
+9 front 1 back 0 3.05266
+9 front 2 back 2 3.29688
+9 front 2 back 1 3.14218
+9 front 2 back 3 3.12386
+9 front 2 back 0 3.05266
+9 front 3 back 2 3.29688
+9 front 3 back 1 3.12386
+9 front 3 back 3 3.08785
+9 front 3 back 0 3.03537
+3 front 1 back 2 3.31729
+3 front 1 back 1 3.38008
+3 front 1 back 3 3.65694
+3 front 1 back 0 3.53625
+3 front 2 back 2 3.38008
+3 front 2 back 1 3.44529
+3 front 2 back 3 3.46759
+3 front 2 back 0 3.51306
+3 front 3 back 2 3.38008
+3 front 3 back 1 3.33796
+3 front 3 back 3 3.46759
+3 front 3 back 0 3.46759
diff --git a/sx3cal/27Al/backgains.dat.Apr2026 b/sx3cal/27Al/backgains.dat.Apr2026
new file mode 100644
index 0000000..b111f4d
--- /dev/null
+++ b/sx3cal/27Al/backgains.dat.Apr2026
@@ -0,0 +1,41 @@
+#1 front 0 back 2 4.03168
+#1 front 1 back 2 4.03168
+#1 front 2 back 2 4.11533
+#1 front 3 back 2 4.17315
+1 front 0 back 2 3.63215
+1 front 0 back 3 3.23711
+1 front 0 back 0 3.44529
+1 front 1 back 2 3.63215
+1 front 1 back 3 3.38008
+1 front 1 back 0 3.46759
+1 front 2 back 2 3.70756
+1 front 2 back 3 3.21767
+1 front 2 back 0 3.46759
+1 front 3 back 2 3.75959
+1 front 3 back 3 3.21767
+1 front 3 back 0 3.44529
+#
+7 front 0 back 2 4.26886
+7 front 0 back 1 3.44529
+7 front 1 back 2 4.26886
+7 front 1 back 1 3.44529
+7 front 2 back 2 4.26886
+7 front 2 back 1 3.46759
+7 front 3 back 2 4.26886
+7 front 3 back 1 3.44529
+9 front 0 back 2 3.63215
+9 front 0 back 1 3.42327
+9 front 1 back 2 3.63215
+9 front 1 back 1 3.42327
+9 front 2 back 2 3.65694
+9 front 2 back 1 3.46759
+9 front 3 back 2 3.68208
+9 front 3 back 1 3.42327
+3 front 0 back 2 3.
+3 front 0 back 1 3.
+3 front 1 back 2 3.65694
+3 front 1 back 1 3.68208
+3 front 2 back 2 3.70756
+3 front 2 back 1 3.78616
+3 front 3 back 2 3.7334
+3 front 3 back 1 3.68208
diff --git a/sx3cal/27Al/frontgains.dat.unity b/sx3cal/27Al/frontgains.dat.unity
index 7f21ff5..a6df93c 100755
--- a/sx3cal/27Al/frontgains.dat.unity
+++ b/sx3cal/27Al/frontgains.dat.unity
@@ -18,3 +18,7 @@
 0   temp  temp 1   0.    1.
 0   temp  temp 2   0.    1.
 0   temp  temp 3   0.    1.
+3   temp  temp 0   0.    1.
+3   temp  temp 1   0.    1.
+3   temp  temp 2   0.    1.
+3   temp  temp 3   0.    1.