diff --git a/coordinator/iocontrol.lua b/coordinator/iocontrol.lua
index c65bbd0..312d194 100644
--- a/coordinator/iocontrol.lua
+++ b/coordinator/iocontrol.lua
@@ -235,7 +235,10 @@ function iocontrol.init(conf, comms, temp_scale)
             control_state = false,
             burn_rate_cmd = 0.0,
             radiation = types.new_zero_radiation_reading(),
-            sna_prod_rate = 0.0,
+
+            sna_peak_rate = 0.0,
+            sna_max_rate = 0.0,
+            sna_out_rate = 0.0,
 
             waste_mode = types.WASTE_MODE.MANUAL_PLUTONIUM,
             waste_product = types.WASTE_PRODUCT.PLUTONIUM,
@@ -1064,12 +1067,14 @@ function iocontrol.update_unit_statuses(statuses)
                     -- solar neutron activator status info
                     if type(rtu_statuses.sna) == "table" then
                         unit.num_snas      = rtu_statuses.sna[1] ---@type integer
-                        unit.sna_prod_rate = rtu_statuses.sna[2] ---@type number
-                        unit.sna_peak_rate = rtu_statuses.sna[3] ---@type number
+                        unit.sna_peak_rate = rtu_statuses.sna[2] ---@type number
+                        unit.sna_max_rate  = rtu_statuses.sna[3] ---@type number
+                        unit.sna_out_rate  = rtu_statuses.sna[4] ---@type number
 
                         unit.unit_ps.publish("sna_count", unit.num_snas)
-                        unit.unit_ps.publish("sna_prod_rate", unit.sna_prod_rate)
                         unit.unit_ps.publish("sna_peak_rate", unit.sna_peak_rate)
+                        unit.unit_ps.publish("sna_max_rate", unit.sna_max_rate)
+                        unit.unit_ps.publish("sna_out_rate", unit.sna_out_rate)
 
                         sna_count_sum = sna_count_sum + unit.num_snas
                     else
@@ -1217,7 +1222,7 @@ function iocontrol.update_unit_statuses(statuses)
 
                 local u_spent_rate = waste_rate
                 local u_pu_rate = util.trinary(is_pu, waste_rate, 0.0)
-                local u_po_rate = util.trinary(not is_pu, math.min(waste_rate, unit.sna_prod_rate), 0.0)
+                local u_po_rate = unit.sna_out_rate
 
                 unit.unit_ps.publish("pu_rate", u_pu_rate)
                 unit.unit_ps.publish("po_rate", u_po_rate)
@@ -1225,14 +1230,15 @@ function iocontrol.update_unit_statuses(statuses)
                 unit.unit_ps.publish("sna_in", util.trinary(is_pu, 0, burn_rate))
 
                 if unit.waste_product == types.WASTE_PRODUCT.POLONIUM then
+                    u_spent_rate = u_po_rate
                     unit.unit_ps.publish("po_pl_rate", u_po_rate)
                     unit.unit_ps.publish("po_am_rate", 0)
                     po_pl_rate = po_pl_rate + u_po_rate
                 elseif unit.waste_product == types.WASTE_PRODUCT.ANTI_MATTER then
+                    u_spent_rate = 0
                     unit.unit_ps.publish("po_pl_rate", 0)
                     unit.unit_ps.publish("po_am_rate", u_po_rate)
                     po_am_rate = po_am_rate + u_po_rate
-                    u_spent_rate = 0
                 else
                     unit.unit_ps.publish("po_pl_rate", 0)
                     unit.unit_ps.publish("po_am_rate", 0)
diff --git a/coordinator/startup.lua b/coordinator/startup.lua
index 70dc511..53412d1 100644
--- a/coordinator/startup.lua
+++ b/coordinator/startup.lua
@@ -22,7 +22,7 @@ local sounder     = require("coordinator.sounder")
 
 local apisessions = require("coordinator.session.apisessions")
 
-local COORDINATOR_VERSION = "v1.2.8"
+local COORDINATOR_VERSION = "v1.2.9"
 
 local CHUNK_LOAD_DELAY_S = 30.0
 
diff --git a/coordinator/ui/components/unit_flow.lua b/coordinator/ui/components/unit_flow.lua
index f3103e5..0cb64c2 100644
--- a/coordinator/ui/components/unit_flow.lua
+++ b/coordinator/ui/components/unit_flow.lua
@@ -181,10 +181,10 @@ local function make(parent, x, y, wide, unit)
 
     local waste_rate = DataIndicator{parent=waste,x=1,y=3,lu_colors=lu_c,label="",unit="mB/t",format="%7.2f",value=0,width=12,fg_bg=bw_fg_bg}
     local pu_rate = DataIndicator{parent=waste,x=_wide(82,70),y=3,lu_colors=lu_c,label="",unit="mB/t",format="%7.3f",value=0,width=12,fg_bg=bw_fg_bg}
-    local po_rate = DataIndicator{parent=waste,x=_wide(52,45),y=6,lu_colors=lu_c,label="",unit="mB/t",format="%7.3f",value=0,width=12,fg_bg=bw_fg_bg}
-    local popl_rate = DataIndicator{parent=waste,x=_wide(82,70),y=6,lu_colors=lu_c,label="",unit="mB/t",format="%7.3f",value=0,width=12,fg_bg=bw_fg_bg}
-    local poam_rate = DataIndicator{parent=waste,x=_wide(82,70),y=10,lu_colors=lu_c,label="",unit="mB/t",format="%7.3f",value=0,width=12,fg_bg=bw_fg_bg}
-    local spent_rate = DataIndicator{parent=waste,x=_wide(117,99),y=3,lu_colors=lu_c,label="",unit="mB/t",format="%7.3f",value=0,width=12,fg_bg=bw_fg_bg}
+    local po_rate = DataIndicator{parent=waste,x=_wide(52,45),y=6,lu_colors=lu_c,label="",unit="mB/t",format="%7.2f",value=0,width=12,fg_bg=bw_fg_bg}
+    local popl_rate = DataIndicator{parent=waste,x=_wide(82,70),y=6,lu_colors=lu_c,label="",unit="mB/t",format="%7.2f",value=0,width=12,fg_bg=bw_fg_bg}
+    local poam_rate = DataIndicator{parent=waste,x=_wide(82,70),y=10,lu_colors=lu_c,label="",unit="mB/t",format="%7.2f",value=0,width=12,fg_bg=bw_fg_bg}
+    local spent_rate = DataIndicator{parent=waste,x=_wide(117,98),y=3,lu_colors=lu_c,label="",unit="mB/t",format="%8.3f",value=0,width=13,fg_bg=bw_fg_bg}
 
     waste_rate.register(unit.unit_ps, "act_burn_rate", waste_rate.update)
     pu_rate.register(unit.unit_ps, "pu_rate", pu_rate.update)
@@ -214,7 +214,7 @@ local function make(parent, x, y, wide, unit)
     sna_act.register(unit.unit_ps, "po_rate", function (r) sna_act.update(r > 0) end)
     sna_cnt.register(unit.unit_ps, "sna_count", sna_cnt.update)
     sna_pk.register(unit.unit_ps, "sna_peak_rate", sna_pk.update)
-    sna_max.register(unit.unit_ps, "sna_prod_rate", sna_max.update)
+    sna_max.register(unit.unit_ps, "sna_max_rate", sna_max.update)
     sna_in.register(unit.unit_ps, "sna_in", sna_in.update)
 
     return root
diff --git a/coordinator/ui/layout/flow_view.lua b/coordinator/ui/layout/flow_view.lua
index f19dda2..1040a8c 100644
--- a/coordinator/ui/layout/flow_view.lua
+++ b/coordinator/ui/layout/flow_view.lua
@@ -348,7 +348,7 @@ local function init(main)
     status.register(facility.sps_ps_tbl[1], "computed_status", status.update)
 
     TextBox{parent=sps_box,x=2,y=3,text="Input Rate",height=1,width=10,fg_bg=style.label}
-    local sps_in = DataIndicator{parent=sps_box,x=2,label="",format="%15.3f",value=0,unit="mB/t",lu_colors=lu_col,width=20,fg_bg=bw_fg_bg}
+    local sps_in = DataIndicator{parent=sps_box,x=2,label="",format="%15.2f",value=0,unit="mB/t",lu_colors=lu_col,width=20,fg_bg=bw_fg_bg}
 
     sps_in.register(facility.ps, "po_am_rate", sps_in.update)
 
@@ -370,8 +370,8 @@ local function init(main)
     TextBox{parent=main,x=145,y=21,text="PROC. WASTE",alignment=ALIGN.CENTER,width=19,height=1,fg_bg=wh_gray}
     local pr_waste  = Rectangle{parent=main,x=145,y=22,border=border(1,colors.gray,true),width=19,height=5,thin=true,fg_bg=bw_fg_bg}
     local pu = DataIndicator{parent=pr_waste,lu_colors=lu_col,label="Pu",unit="mB/t",format="%9.3f",value=0,width=17}
-    local po = DataIndicator{parent=pr_waste,lu_colors=lu_col,label="Po",unit="mB/t",format="%9.3f",value=0,width=17}
-    local popl = DataIndicator{parent=pr_waste,lu_colors=lu_col,label="PoPl",unit="mB/t",format="%7.3f",value=0,width=17}
+    local po = DataIndicator{parent=pr_waste,lu_colors=lu_col,label="Po",unit="mB/t",format="%9.2f",value=0,width=17}
+    local popl = DataIndicator{parent=pr_waste,lu_colors=lu_col,label="PoPl",unit="mB/t",format="%7.2f",value=0,width=17}
 
     pu.register(facility.ps, "pu_rate", pu.update)
     po.register(facility.ps, "po_rate", po.update)
diff --git a/scada-common/comms.lua b/scada-common/comms.lua
index eaa7ec4..180e9c8 100644
--- a/scada-common/comms.lua
+++ b/scada-common/comms.lua
@@ -17,7 +17,7 @@ local max_distance = nil
 local comms = {}
 
 -- protocol/data version (protocol/data independent changes tracked by util.lua version)
-comms.version = "2.4.4"
+comms.version = "2.4.5"
 
 ---@enum PROTOCOL
 local PROTOCOL = {
diff --git a/supervisor/startup.lua b/supervisor/startup.lua
index 69633fa..b45947e 100644
--- a/supervisor/startup.lua
+++ b/supervisor/startup.lua
@@ -21,7 +21,7 @@ local supervisor = require("supervisor.supervisor")
 
 local svsessions = require("supervisor.session.svsessions")
 
-local SUPERVISOR_VERSION = "v1.2.8"
+local SUPERVISOR_VERSION = "v1.2.9"
 
 local println = util.println
 local println_ts = util.println_ts
diff --git a/supervisor/unit.lua b/supervisor/unit.lua
index 8d38222..e5f29b2 100644
--- a/supervisor/unit.lua
+++ b/supervisor/unit.lua
@@ -77,7 +77,6 @@ function unit.new(reactor_id, num_boilers, num_turbines)
         tanks = {},
         snas = {},
         envd = {},
-        sna_prod_rate = 0,
         -- redstone control
         io_ctl = nil,   ---@type rs_controller
         valves = {},    ---@type unit_valves
@@ -857,13 +856,15 @@ function unit.new(reactor_id, num_boilers, num_turbines)
             status.tanks[tank.get_device_idx()] = { tank.is_faulted(), db.formed, db.state, db.tanks }
         end
 
-        -- basic SNA statistical information
-        local total_peak = 0
+        -- SNA statistical information
+        local total_peak, total_avail, total_out = 0, 0, 0
         for i = 1, #self.snas do
             local db = self.snas[i].get_db()    ---@type sna_session_db
             total_peak = total_peak + db.state.peak_production
+            total_avail = total_avail + db.state.production_rate
+            total_out = total_out + math.min(db.tanks.input.amount / 10, db.state.production_rate)
         end
-        status.sna = { #self.snas, public.get_sna_rate(), total_peak }
+        status.sna = { #self.snas, total_peak, total_avail, total_out }
 
         -- radiation monitors (environment detectors)
         status.envds = {}