diff --git a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/ViewSchedulingUnit.js b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/ViewSchedulingUnit.js
index 56fad6bd0ad2a1300b1a8a0749a88d50f5235a6f..f0111305b1ea90340ee40d69ef7d0a610c1fba29 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/ViewSchedulingUnit.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/ViewSchedulingUnit.js
@@ -501,6 +501,7 @@ class ViewSchedulingUnit extends Component {
      */
     async loadTaskParameters(observStrategy) {
         if (observStrategy) {
+            await UnitConverter.updateStationGroupParameters(observStrategy);
             const tasks = observStrategy.template.tasks;
             const parameters = observStrategy.template.parameters;
             let paramsOutput = {};
@@ -1948,6 +1949,9 @@ class ViewSchedulingUnit extends Component {
                                                     });
         }
         const obsStrategy = this.state.scheduleunit?.observation_strategy_template;
+        if (obsStrategy) {
+            UnitConverter.updateStationGroupParameters(obsStrategy);
+        }
         return (
             <>
             {userPermissions.scheduleunit.list ?
diff --git a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/create.js b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/create.js
index 3d41137bb7080f803d3b873e890cdbedf624ad5e..b9c21e644e2458a0f8d8b3119c59313d61e282b2 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/create.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/create.js
@@ -197,6 +197,9 @@ export class SchedulingUnitCreate extends Component {
      */
     async changeStrategy (strategyId) {
         const observStrategy = _.find(this.observStrategies, {'id': strategyId});
+        if (await UnitConverter.updateStationGroupParameters(observStrategy)) {
+            this.setState({observStrategies: this.observStrategies});
+        }
         let stationGroups = {};
         const tasks = observStrategy.template.tasks;
         const parameters = observStrategy.template.parameters;
diff --git a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/edit.js b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/edit.js
index c819191db7abc24931fb46d423e95faf0b11b7a0..9b8e8ab83c1e42c3aea0d1b46f5e2ca2342a031c 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/edit.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/edit.js
@@ -29,6 +29,7 @@ import UtilService from '../../services/util.service';
 import ReactTooltip from "react-tooltip";
 import AuthUtil from '../../utils/auth.util';
 import AccessDenied from '../../layout/components/AccessDenied';
+import UnitConverter from '../../utils/unit.converter';
 
 /**
  * Compoenent to edit scheduling unit draft
@@ -71,7 +72,7 @@ export class EditSchedulingUnit extends Component {
         this.observStrategies = [];                 // All Observing strategy templates
         this.taskTemplates = [];                    // All task templates to be filtered based on tasks in selected strategy template             
         this.schedulingSets = [];                   
-        this.observStrategies = [];
+        //this.observStrategies = [];
         this.taskTemplates = [];                    
         this.constraintTemplates = [];
         this.tooltipOptions = UIConstants.tooltipOptions;
@@ -108,6 +109,7 @@ export class EditSchedulingUnit extends Component {
      */
      async changeStrategy (strategyId) {
         const observStrategy = _.find(this.observStrategies, {'id': strategyId});
+        await UnitConverter.updateStationGroupParameters(observStrategy);
         let stationGroups = {};
         if (observStrategy) {
             let station_group = [];
diff --git a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js
index 474b290ab8bbbf260f49b1a4ed9cf41cb384b6f1..43b7e5206a1a1f2abf569fef554912ff0c6ce666 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/routes/Scheduling/excelview.schedulingset.js
@@ -570,6 +570,7 @@ export class SchedulingSetCreate extends Component {
         await this.setState({noOfSU: 10, isAGLoading: true, copyHeader: false, rowData: [], confirmDialogVisible: false, isDirty: false});
         publish('edit-dirty', false);
         const observStrategy = _.find(this.observStrategies, {'id': strategyId});
+        await UnitConverter.updateStationGroupParameters(observStrategy);
         // this.setState({schedulingUnitList: null, observStrategy: observStrategy, noOfSU: 10, isAGLoading: true, copyHeader: false, rowData: [], agSUWithDefaultValue: {}, confirmDialogVisible: false, isDirty: false});
         this.setState({observStrategy: observStrategy, noOfSU: 10, isAGLoading: true, copyHeader: false, rowData: [], agSUWithDefaultValue: {},
                         confirmDialogVisible: false, isDirty: false, isObsoletStrategy: observStrategy.state_value === 'obsolete'? true: false});
diff --git a/SAS/TMSS/frontend/tmss_webapp/src/utils/unit.converter.js b/SAS/TMSS/frontend/tmss_webapp/src/utils/unit.converter.js
index f1d68410f2a6605fcb7e8c4c00cd164c24ffb1cc..702cebab695d73fe8e9c8c5bbcf1d43d9874a12b 100644
--- a/SAS/TMSS/frontend/tmss_webapp/src/utils/unit.converter.js
+++ b/SAS/TMSS/frontend/tmss_webapp/src/utils/unit.converter.js
@@ -311,7 +311,30 @@ const UnitConverter = {
          }
          prpOutput = subbandList;
          return prpOutput;
-     }
+     },
+     updateStationGroupParameters(observStrategy) {
+        let isUpdated = false;
+        if (observStrategy.template ) {
+            const parameters = observStrategy.template.parameters;
+            let stationParameters = parameters.filter( parameter => _.endsWith(parameter['refs'],'station_groups'));
+            if (stationParameters === undefined || stationParameters.length === 0) {
+                const taskKeys = Object.keys(observStrategy.template.tasks);
+                for (const key of taskKeys) {
+                    if (observStrategy.template.tasks[key]['specifications_doc'].hasOwnProperty(['station_configuration']) 
+                    && observStrategy.template.tasks[key]['specifications_doc']['station_configuration'].hasOwnProperty(['station_groups'])) {
+                        observStrategy.template.parameters.push({
+                            "name": "Station Groups - "+key,
+                            "refs": [
+                                `#/tasks/${key}/specifications_doc/station_configuration/station_groups`
+                            ]
+                        });
+                        isUpdated = true;
+                    }                
+                }
+            }
+        }
+        return isUpdated;
+    }
 };
 
 export default UnitConverter;
\ No newline at end of file