diff --git a/htdocs/lib/BookmarkBar.js b/htdocs/lib/BookmarkBar.js
index 65ca2040..f368032d 100644
--- a/htdocs/lib/BookmarkBar.js
+++ b/htdocs/lib/BookmarkBar.js
@@ -2,7 +2,7 @@ function BookmarkBar() {
     var me = this;
     me.modesToScan = ['lsb', 'usb', 'cw', 'am', 'sam', 'nfm'];
     me.localBookmarks = new BookmarkLocalStorage();
-    me.$container = $("#openwebrx-bookmarks-container");
+    me.$container = $('#openwebrx-bookmarks-container');
     me.bookmarks = {};
 
     me.$container.on('click', '.bookmark', function(e){
@@ -11,9 +11,7 @@ function BookmarkBar() {
         var b = $bookmark.data();
         if (!b || !b.frequency || !b.modulation) return;
         me.getDemodulator().set_offset_frequency(b.frequency - center_freq);
-        if (b.modulation) {
-            me.getDemodulatorPanel().setMode(b.modulation, b.underlying);
-        }
+        me.getDemodulatorPanel().setMode(b.modulation, b.underlying);
         $bookmark.addClass('selected');
         stopScanner();
     });
@@ -41,7 +39,7 @@ function BookmarkBar() {
         me.showEditDialog();
     });
 
-    me.$dialog = $("#openwebrx-dialog-bookmark");
+    me.$dialog = $('#openwebrx-dialog-bookmark');
     me.$dialog.find('.openwebrx-button[data-action=cancel]').click(function(){
         me.$dialog.hide();
     });
@@ -108,13 +106,16 @@ BookmarkBar.prototype.render = function(){
 
 BookmarkBar.prototype.showEditDialog = function(bookmark) {
     if (!bookmark) {
-        var mode = this.getDemodulator().get_secondary_demod() || this.getDemodulator().get_modulation();
+        var mode1 = this.getDemodulator().get_secondary_demod()
+        var mode2 = this.getDemodulator().get_modulation();
+        if (!mode1) { mode1 = mode2; mode2 = ''; }
         bookmark = {
-            name: "",
+            name: '',
             frequency: center_freq + this.getDemodulator().get_offset_frequency(),
-            modulation: mode,
-            description: "",
-            scannable : this.modesToScan.indexOf(mode) >= 0
+            modulation: mode1,
+            underlying: mode2,
+            description: '',
+            scannable : this.modesToScan.indexOf(mode1) >= 0
         }
     }
     this.$dialog.bookmarkDialog().setValues(bookmark);
diff --git a/htdocs/lib/BookmarkDialog.js b/htdocs/lib/BookmarkDialog.js
index ee7c2fd4..ef039352 100644
--- a/htdocs/lib/BookmarkDialog.js
+++ b/htdocs/lib/BookmarkDialog.js
@@ -2,16 +2,25 @@ $.fn.bookmarkDialog = function() {
     var $el = this;
     return {
         setModes: function(modes) {
-            $el.find('#modulation').html(modes.filter(function(m){
+            $el.find('#modulation').html(modes.filter(function(m) {
                 return m.isAvailable();
             }).map(function(m) {
                 return '<option value="' + m.modulation + '">' + m.name + '</option>';
             }).join(''));
             return this;
         },
+        setUnderlying: function(modes) {
+            $el.find('#underlying').html('<option value="">None</option>' +
+            modes.filter(function(m) {
+                return m.isAvailable() && !m.underlying && m.type === 'analog';
+            }).map(function(m) {
+                return '<option value="' + m.modulation + '">' + m.name + '</option>';
+            }).join(''));
+            return this;
+        },
         setValues: function(bookmark) {
             var $form = $el.find('form');
-            ['name', 'frequency', 'modulation', 'description', 'scannable'].forEach(function(key){
+            ['name', 'frequency', 'modulation', 'underlying', 'description', 'scannable'].forEach(function(key) {
                 var $input = $form.find('#' + key);
                 if ($input.is(':checkbox')) {
                     $input.prop('checked', bookmark[key]);
@@ -25,7 +34,7 @@ $.fn.bookmarkDialog = function() {
         getValues: function() {
             var bookmark = {};
             var valid = true;
-            ['name', 'frequency', 'modulation', 'description', 'scannable'].forEach(function(key){
+            ['name', 'frequency', 'modulation', 'underlying', 'description', 'scannable'].forEach(function(key) {
                 var $input = $el.find('#' + key);
                 valid = valid && $input[0].checkValidity();
                 bookmark[key] = $input.is(':checkbox')? $input.is(':checked') : $input.val();
diff --git a/htdocs/lib/Modes.js b/htdocs/lib/Modes.js
index 0bdac90b..1ec050d1 100644
--- a/htdocs/lib/Modes.js
+++ b/htdocs/lib/Modes.js
@@ -5,7 +5,9 @@ var Modes = {
     setModes:function(json){
         this.modes = json.map(function(m){ return new Mode(m); });
         this.updatePanels();
-        $('#openwebrx-dialog-bookmark').bookmarkDialog().setModes(this.modes);
+        var bookmarkDialog = $('#openwebrx-dialog-bookmark').bookmarkDialog();
+        bookmarkDialog.setUnderlying(this.modes);
+        bookmarkDialog.setModes(this.modes);
     },
     getModes:function(){
         return this.modes;
diff --git a/owrx/bookmarks.py b/owrx/bookmarks.py
index b7b3aeea..81f7b93a 100644
--- a/owrx/bookmarks.py
+++ b/owrx/bookmarks.py
@@ -16,6 +16,7 @@ class Bookmark(object):
         self.name = j["name"]
         self.frequency = j["frequency"]
         self.modulation = j["modulation"]
+        self.underlying = j["underlying"] if "underlying" in j else ""
         self.description = j["description"] if "description" in j else ""
         self.srcFile = srcFile
         # By default, only scan modulations that make sense to scan
@@ -33,6 +34,9 @@ class Bookmark(object):
     def getModulation(self):
         return self.modulation
 
+    def getUnderlying(self):
+        return self.underlying
+
     def getDescription(self):
         return self.description
 
@@ -47,6 +51,7 @@ class Bookmark(object):
             "name": self.getName(),
             "frequency": self.getFrequency(),
             "modulation": self.getModulation(),
+            "underlying": self.getUnderlying(),
             "description": self.getDescription(),
             "scannable": self.isScannable(),
         }
diff --git a/owrx/controllers/settings/bookmarks.py b/owrx/controllers/settings/bookmarks.py
index 1c9c9a09..596a1a7c 100644
--- a/owrx/controllers/settings/bookmarks.py
+++ b/owrx/controllers/settings/bookmarks.py
@@ -106,7 +106,7 @@ class BookmarksController(AuthorizationMixin, BreadcrumbMixin, WebpageController
             return
         try:
             data = json.loads(self.get_body().decode("utf-8"))
-            for key in ["name", "frequency", "modulation", "description", "scannable"]:
+            for key in ["name", "frequency", "modulation", "underlying", "description", "scannable"]:
                 if key in data:
                     value = data[key]
                     if key == "frequency":
@@ -125,7 +125,7 @@ class BookmarksController(AuthorizationMixin, BreadcrumbMixin, WebpageController
         def create(bookmark_data):
             # sanitize
             data = {}
-            for key in ["name", "frequency", "modulation", "description", "scannable"]:
+            for key in ["name", "frequency", "modulation", "underlying", "description", "scannable"]:
                 if key in bookmark_data:
                     if key == "frequency":
                         data[key] = int(bookmark_data[key])