diff --git a/package.nw/GridTracker.html b/package.nw/GridTracker.html
index 0ad6c6d..d8ee4f6 100644
--- a/package.nw/GridTracker.html
+++ b/package.nw/GridTracker.html
@@ -2978,6 +2978,18 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
               </tr>
             </table>
           </div>
+          <div class="mapItem">
+            <table align="center">
+              <tr align="center">
+                <td align="center">Clear Call Roster on Band change</td>
+              </tr>
+              <tr align="center">
+                <td colspan="2">
+                  <input type="checkbox" id="clearRosterOnBandChange" onchange="clearRosterOnBandChangeValueChanged(this);" />
+                </td>
+              </tr>
+            </table>
+          </div>
           <br />
           <div class="mapItem" id="haltTXDiv" style="display: none">
             <table align="center">
diff --git a/package.nw/lib/defaults.js b/package.nw/lib/defaults.js
index 51a9bee..78a9135 100644
--- a/package.nw/lib/defaults.js
+++ b/package.nw/lib/defaults.js
@@ -61,6 +61,7 @@ var def_appSettings = {
   lookupPasswordQth: "",
   lookupService: "CALLOOK",
   lookupCallookPreferred: false,
+  clearRosterOnBandChange: false,
   moonPath: 0,
   moonTrack: 0,
   mouseTrack: 0,
diff --git a/package.nw/lib/gt.js b/package.nw/lib/gt.js
index 7bff87d..7736d85 100644
--- a/package.nw/lib/gt.js
+++ b/package.nw/lib/gt.js
@@ -12943,6 +12943,7 @@ function loadMapSettings()
   focusRigValue.checked = g_mapSettings.focusRig;
   haltAllOnTxValue.checked = g_mapSettings.haltAllOnTx;
   strikesAlert.value = g_mapSettings.strikesAlert;
+  clearRosterOnBandChange.checked = g_appSettings.clearRosterOnBandChange;
 
   setStrikesButton();
 
@@ -14391,6 +14392,11 @@ function loadLookupDetails()
   else lookupCredentials.style.display = "block";
 }
 
+function clearRosterOnBandChangeValueChanged(what)
+{
+  g_appSettings.clearRosterOnBandChange = clearRosterOnBandChange.checked;
+}
+
 function lookupValueChanged(what)
 {
   if (g_appSettings.lookupService != lookupService.value)
diff --git a/package.nw/lib/roster/renderRoster.js b/package.nw/lib/roster/renderRoster.js
index 5984ec0..20514cb 100644
--- a/package.nw/lib/roster/renderRoster.js
+++ b/package.nw/lib/roster/renderRoster.js
@@ -21,11 +21,30 @@ function renderRoster(callRoster, rosterSettings)
   // var visibleCallList = callRoster.filter(entry => entry.tx);
 
   var visibleCallList = [];
+  var band =
+  window.opener.g_appSettings.gtBandFilter == "auto"
+    ? window.opener.g_appSettings.myBand
+    : window.opener.g_appSettings.gtBandFilter.length == 0
+      ? ""
+      : window.opener.g_appSettings.gtBandFilter;
   for (entry in callRoster)
   {
+    // entry should populate in general
     if (callRoster[entry].tx)
     {
-      visibleCallList.push(callRoster[entry]);
+      // check setting for call roster clear on band change.
+      // if true and band is current band, populate
+      if (window.opener.g_appSettings.clearRosterOnBandChange)
+      {
+        if (callRoster[entry].callObj.band == band)
+        {
+          visibleCallList.push(callRoster[entry]);
+        }
+      }
+      else if (!window.opener.g_appSettings.clearRosterOnBandChange)
+      {
+        visibleCallList.push(callRoster[entry]);
+      }
     }
   }