diff --git a/sdrbase/settings/preset.h b/sdrbase/settings/preset.h
index 62ec3eddc..a2f07fb77 100644
--- a/sdrbase/settings/preset.h
+++ b/sdrbase/settings/preset.h
@@ -82,10 +82,17 @@ public:
 
 	static bool presetCompare(const Preset *p1, Preset *p2)
 	{
-	    if (p1->m_centerFrequency != p2->m_centerFrequency) {
-	        return p1->m_centerFrequency < p2->m_centerFrequency;
-	    } else {
-	        return p1->m_description < p2->m_description;
+	    if (p1->m_group != p2->m_group)
+	    {
+	        return p1->m_group < p2->m_group;
+	    }
+	    else
+	    {
+            if (p1->m_centerFrequency != p2->m_centerFrequency) {
+                return p1->m_centerFrequency < p2->m_centerFrequency;
+            } else {
+                return p1->m_description < p2->m_description;
+            }
 	    }
 	}
 
diff --git a/sdrbase/webapi/webapiadapterinterface.cpp b/sdrbase/webapi/webapiadapterinterface.cpp
index 282672321..d90d3776e 100644
--- a/sdrbase/webapi/webapiadapterinterface.cpp
+++ b/sdrbase/webapi/webapiadapterinterface.cpp
@@ -25,3 +25,4 @@ QString WebAPIAdapterInterface::instanceLoggingURL = "/sdrangel/logging";
 QString WebAPIAdapterInterface::instanceAudioURL = "/sdrangel/audio";
 QString WebAPIAdapterInterface::instanceLocationURL = "/sdrangel/location";
 QString WebAPIAdapterInterface::instanceDVSerialURL = "/sdrangel/dvserial";
+QString WebAPIAdapterInterface::instancePresetURL = "/sdrangel/preset";
diff --git a/sdrbase/webapi/webapiadapterinterface.h b/sdrbase/webapi/webapiadapterinterface.h
index bada26d96..8bec970d0 100644
--- a/sdrbase/webapi/webapiadapterinterface.h
+++ b/sdrbase/webapi/webapiadapterinterface.h
@@ -32,6 +32,7 @@ namespace Swagger
     class SWGLocationInformation;
     class SWGDVSeralDevices;
     class SWGErrorResponse;
+    class SWGPresets;
 }
 
 class WebAPIAdapterInterface
@@ -132,6 +133,15 @@ public:
             Swagger::SWGErrorResponse& error __attribute__((unused)))
     { return 501; }
 
+    /**
+     * Handler of /sdrangel/location (GET) swagger/sdrangel/code/html2/index.html#api-Default-instanceChannels
+     * returns the Http status code (default 501: not implemented)
+     */
+    virtual int instancePresetGet(
+            Swagger::SWGPresets& response __attribute__((unused)),
+            Swagger::SWGErrorResponse& error __attribute__((unused)))
+    { return 501; }
+
     static QString instanceSummaryURL;
     static QString instanceDevicesURL;
     static QString instanceChannelsURL;
@@ -139,6 +149,7 @@ public:
     static QString instanceAudioURL;
     static QString instanceLocationURL;
     static QString instanceDVSerialURL;
+    static QString instancePresetURL;
 };
 
 
diff --git a/sdrbase/webapi/webapirequestmapper.cpp b/sdrbase/webapi/webapirequestmapper.cpp
index eebdcbdff..d6499e4e9 100644
--- a/sdrbase/webapi/webapirequestmapper.cpp
+++ b/sdrbase/webapi/webapirequestmapper.cpp
@@ -29,6 +29,7 @@
 #include "SWGAudioDevicesSelect.h"
 #include "SWGLocationInformation.h"
 #include "SWGDVSeralDevices.h"
+#include "SWGPresets.h"
 #include "SWGErrorResponse.h"
 
 WebAPIRequestMapper::WebAPIRequestMapper(QObject* parent) :
@@ -70,6 +71,8 @@ void WebAPIRequestMapper::service(qtwebapp::HttpRequest& request, qtwebapp::Http
             instanceLocationService(request, response);
         } else if (path == WebAPIAdapterInterface::instanceDVSerialURL) {
             instanceDVSerialService(request, response);
+        } else if (path == WebAPIAdapterInterface::instancePresetURL) {
+            instancePresetService(request, response);
         }
         else
         {
@@ -322,6 +325,29 @@ void WebAPIRequestMapper::instanceDVSerialService(qtwebapp::HttpRequest& request
     }
 }
 
+void WebAPIRequestMapper::instancePresetService(qtwebapp::HttpRequest& request, qtwebapp::HttpResponse& response)
+{
+    Swagger::SWGPresets normalResponse;
+    Swagger::SWGErrorResponse errorResponse;
+
+    if (request.getMethod() == "GET")
+    {
+        int status = m_adapter->instancePresetGet(normalResponse, errorResponse);
+        response.setStatus(status);
+
+        if (status == 200) {
+            response.write(normalResponse.asJson().toUtf8());
+        } else {
+            response.write(errorResponse.asJson().toUtf8());
+        }
+    }
+    else
+    {
+        response.setStatus(405,"Invalid HTTP method");
+        response.write("Invalid HTTP method");
+    }
+}
+
 bool WebAPIRequestMapper::parseJsonBody(QString& jsonStr, qtwebapp::HttpResponse& response)
 {
     Swagger::SWGErrorResponse errorResponse;
diff --git a/sdrbase/webapi/webapirequestmapper.h b/sdrbase/webapi/webapirequestmapper.h
index 1def24cbe..5af32eef2 100644
--- a/sdrbase/webapi/webapirequestmapper.h
+++ b/sdrbase/webapi/webapirequestmapper.h
@@ -46,6 +46,7 @@ private:
     void instanceAudioService(qtwebapp::HttpRequest& request, qtwebapp::HttpResponse& response);
     void instanceLocationService(qtwebapp::HttpRequest& request, qtwebapp::HttpResponse& response);
     void instanceDVSerialService(qtwebapp::HttpRequest& request, qtwebapp::HttpResponse& response);
+    void instancePresetService(qtwebapp::HttpRequest& request, qtwebapp::HttpResponse& response);
 
     bool parseJsonBody(QString& jsonStr, qtwebapp::HttpResponse& response);
 };
diff --git a/sdrgui/mainwindow.cpp b/sdrgui/mainwindow.cpp
index 4adb77666..2a7aa055e 100644
--- a/sdrgui/mainwindow.cpp
+++ b/sdrgui/mainwindow.cpp
@@ -506,10 +506,16 @@ void MainWindow::loadSettings()
 
     m_settings.load();
     m_settings.sortPresets();
+    int middleIndex = m_settings.getPresetCount() / 2;
+    QTreeWidgetItem *treeItem;
 
-    for(int i = 0; i < m_settings.getPresetCount(); ++i)
+    for (int i = 0; i < m_settings.getPresetCount(); ++i)
     {
-        ui->presetTree->setCurrentItem(addPresetToTree(m_settings.getPreset(i)));
+        treeItem = addPresetToTree(m_settings.getPreset(i));
+
+        if (i == middleIndex) {
+            ui->presetTree->setCurrentItem(treeItem);
+        }
     }
 
     setLoggingOpions();
@@ -696,6 +702,8 @@ void MainWindow::on_presetSave_clicked()
 
 		ui->presetTree->setCurrentItem(addPresetToTree(preset));
 	}
+
+	m_settings.sortPresets();
 }
 
 void MainWindow::on_presetUpdate_clicked()
@@ -711,6 +719,8 @@ void MainWindow::on_presetUpdate_clicked()
 			}
 		}
 	}
+
+	m_settings.sortPresets();
 }
 
 void MainWindow::on_presetExport_clicked()
diff --git a/sdrgui/webapi/webapiadaptergui.cpp b/sdrgui/webapi/webapiadaptergui.cpp
index c2a996022..7b9a4885d 100644
--- a/sdrgui/webapi/webapiadaptergui.cpp
+++ b/sdrgui/webapi/webapiadaptergui.cpp
@@ -42,6 +42,9 @@
 #include "SWGLocationInformation.h"
 #include "SWGDVSeralDevices.h"
 #include "SWGDVSerialDevice.h"
+#include "SWGPresets.h"
+#include "SWGPresetGroup.h"
+#include "SWGPresetItem.h"
 #include "SWGErrorResponse.h"
 
 #include "webapiadaptergui.h"
@@ -383,6 +386,50 @@ int WebAPIAdapterGUI::instanceDVSerialPatch(
     return 200;
 }
 
+int WebAPIAdapterGUI::instancePresetGet(
+            Swagger::SWGPresets& response,
+            Swagger::SWGErrorResponse& error __attribute__((unused)))
+{
+    int nbPresets = m_mainWindow.m_settings.getPresetCount();
+    int nbGroups = 0;
+    int nbPresetsThisGroup = 0;
+    QString groupName;
+    response.init();
+    QList<Swagger::SWGPresetGroup*> *groups = response.getGroups();
+    QList<Swagger::SWGPresetItem*> *swgPresets = 0;
+    int i = 0;
+
+    // Presets are sorted by group first
+
+    for (; i < nbPresets; i++)
+    {
+        const Preset *preset = m_mainWindow.m_settings.getPreset(i);
+
+        if ((i == 0) || (groupName != preset->getGroup())) // new group
+        {
+            if (i > 0) { groups->back()->setNbPresets(nbPresetsThisGroup); }
+            groups->append(new Swagger::SWGPresetGroup);
+            groups->back()->init();
+            groupName = preset->getGroup();
+            *groups->back()->getGroupName() = groupName;
+            swgPresets = groups->back()->getPresets();
+            nbGroups++;
+            nbPresetsThisGroup = 0;
+        }
+
+        swgPresets->append(new Swagger::SWGPresetItem);
+        swgPresets->back()->setCenterFrequency(preset->getCenterFrequency());
+        *swgPresets->back()->getType() = preset->isSourcePreset() ? "R" : "T";
+        *swgPresets->back()->getName() = preset->getDescription();
+        nbPresetsThisGroup++;
+    }
+
+    if (i > 0) { groups->back()->setNbPresets(nbPresetsThisGroup); }
+    response.setNbGroups(nbGroups);
+
+    return 200;
+}
+
 QtMsgType WebAPIAdapterGUI::getMsgTypeFromString(const QString& msgTypeString)
 {
     if (msgTypeString == "debug") {
diff --git a/sdrgui/webapi/webapiadaptergui.h b/sdrgui/webapi/webapiadaptergui.h
index 66439bd7b..807365eb7 100644
--- a/sdrgui/webapi/webapiadaptergui.h
+++ b/sdrgui/webapi/webapiadaptergui.h
@@ -74,6 +74,10 @@ public:
             Swagger::SWGDVSeralDevices& response,
             Swagger::SWGErrorResponse& error);
 
+    virtual int instancePresetGet(
+            Swagger::SWGPresets& response,
+            Swagger::SWGErrorResponse& error);
+
 private:
     MainWindow& m_mainWindow;
 
diff --git a/swagger/sdrangel/api/swagger/swagger.yaml b/swagger/sdrangel/api/swagger/swagger.yaml
index 2a2642f71..51b7ef3a5 100644
--- a/swagger/sdrangel/api/swagger/swagger.yaml
+++ b/swagger/sdrangel/api/swagger/swagger.yaml
@@ -778,9 +778,9 @@ definitions:
       - name
     properties:
       centerFrequency:
-        description: "Center freqeuency in MHz"
-        type: number
-        format: float
+        description: "Center freqeuency in Hz"
+        type: integer
+        format: int64
       type:
         description: "Type of device set (R: Rx, T: Tx)"
         type: string
diff --git a/swagger/sdrangel/code/qt5/client/SWGPresetItem.cpp b/swagger/sdrangel/code/qt5/client/SWGPresetItem.cpp
index 9e7077a08..7831a31ef 100644
--- a/swagger/sdrangel/code/qt5/client/SWGPresetItem.cpp
+++ b/swagger/sdrangel/code/qt5/client/SWGPresetItem.cpp
@@ -37,7 +37,7 @@ SWGPresetItem::~SWGPresetItem() {
 
 void
 SWGPresetItem::init() {
-    center_frequency = 0.0f;
+    center_frequency = 0L;
     type = new QString("");
     name = new QString("");
 }
@@ -66,7 +66,7 @@ SWGPresetItem::fromJson(QString &json) {
 
 void
 SWGPresetItem::fromJsonObject(QJsonObject &pJson) {
-    ::Swagger::setValue(&center_frequency, pJson["centerFrequency"], "float", "");
+    ::Swagger::setValue(&center_frequency, pJson["centerFrequency"], "qint64", "");
     ::Swagger::setValue(&type, pJson["type"], "QString", "QString");
     ::Swagger::setValue(&name, pJson["name"], "QString", "QString");
 }
@@ -94,12 +94,12 @@ SWGPresetItem::asJsonObject() {
     return obj;
 }
 
-float
+qint64
 SWGPresetItem::getCenterFrequency() {
     return center_frequency;
 }
 void
-SWGPresetItem::setCenterFrequency(float center_frequency) {
+SWGPresetItem::setCenterFrequency(qint64 center_frequency) {
     this->center_frequency = center_frequency;
 }
 
diff --git a/swagger/sdrangel/code/qt5/client/SWGPresetItem.h b/swagger/sdrangel/code/qt5/client/SWGPresetItem.h
index 01b0afa5a..f7df95965 100644
--- a/swagger/sdrangel/code/qt5/client/SWGPresetItem.h
+++ b/swagger/sdrangel/code/qt5/client/SWGPresetItem.h
@@ -42,8 +42,8 @@ public:
     void fromJsonObject(QJsonObject &json);
     SWGPresetItem* fromJson(QString &jsonString);
 
-    float getCenterFrequency();
-    void setCenterFrequency(float center_frequency);
+    qint64 getCenterFrequency();
+    void setCenterFrequency(qint64 center_frequency);
 
     QString* getType();
     void setType(QString* type);
@@ -53,7 +53,7 @@ public:
 
 
 private:
-    float center_frequency;
+    qint64 center_frequency;
     QString* type;
     QString* name;
 };