update

oscardata/oscardata/Form1.Designer.cs

@@ -41,6 +41,7 @@
             this.timer_qpsk = new System.Windows.Forms.Timer(this.components);
             this.panel_txspectrum = new System.Windows.Forms.Panel();
             this.tabPage_ber = new System.Windows.Forms.TabPage();
+            this.button6 = new System.Windows.Forms.Button();
             this.bt_allf = new System.Windows.Forms.Button();
             this.lb_tuningqrgs = new System.Windows.Forms.Label();
             this.rtb = new System.Windows.Forms.RichTextBox();
@@ -103,6 +104,8 @@
             this.tb_rtty_TX = new System.Windows.Forms.TextBox();
             this.tb_rtty_RX = new System.Windows.Forms.TextBox();
             this.panel1 = new System.Windows.Forms.Panel();
+            this.textBox6 = new System.Windows.Forms.TextBox();
+            this.cb_rx_autosync = new System.Windows.Forms.CheckBox();
             this.rb_rtty_real = new System.Windows.Forms.RadioButton();
             this.bt_rtty_text6 = new System.Windows.Forms.Button();
             this.bt_rtty_text5 = new System.Windows.Forms.Button();
@@ -152,7 +155,8 @@
             this.pictureBox3 = new System.Windows.Forms.PictureBox();
             this.bt_tune_plus = new System.Windows.Forms.Button();
             this.bt_tune_minus = new System.Windows.Forms.Button();
-            this.cb_marker = new System.Windows.Forms.CheckBox();
+            this.vu_cap = new oscardata.KmProgressBar();
+            this.vu_pb = new oscardata.KmProgressBar();
             this.pb_audioCAPstatus = new System.Windows.Forms.PictureBox();
             this.pb_audioPBstatus = new System.Windows.Forms.PictureBox();
             this.label6 = new System.Windows.Forms.Label();
@@ -193,14 +197,10 @@
             this.lb_rxsignal = new System.Windows.Forms.Label();
             this.lb_rxsync = new System.Windows.Forms.Label();
             this.pn1 = new System.Windows.Forms.Panel();
-            this.pb_rxsignal = new System.Windows.Forms.PictureBox();
-            this.pb_rxsync = new System.Windows.Forms.PictureBox();
-            this.cb_rx_autosync = new System.Windows.Forms.CheckBox();
-            this.textBox6 = new System.Windows.Forms.TextBox();
             this.progressBar_fifo = new oscardata.KmProgressBar();
+            this.pb_rxsignal = new System.Windows.Forms.PictureBox();
             this.progressBar_capfifo = new oscardata.KmProgressBar();
-            this.vu_cap = new oscardata.KmProgressBar();
-            this.vu_pb = new oscardata.KmProgressBar();
+            this.pb_rxsync = new System.Windows.Forms.PictureBox();
             this.statusStrip1.SuspendLayout();
             this.tabPage_ber.SuspendLayout();
             this.tabPage_image.SuspendLayout();
@@ -314,6 +314,7 @@
             // tabPage_ber
             // 
             this.tabPage_ber.BackColor = System.Drawing.Color.Transparent;
+            this.tabPage_ber.Controls.Add(this.button6);
             this.tabPage_ber.Controls.Add(this.bt_allf);
             this.tabPage_ber.Controls.Add(this.lb_tuningqrgs);
             this.tabPage_ber.Controls.Add(this.rtb);
@@ -327,6 +328,16 @@
             this.tabPage_ber.TabIndex = 0;
             this.tabPage_ber.Text = "BER Test";
             // 
+            // button6
+            // 
+            this.button6.Location = new System.Drawing.Point(638, 18);
+            this.button6.Name = "button6";
+            this.button6.Size = new System.Drawing.Size(145, 23);
+            this.button6.TabIndex = 26;
+            this.button6.Text = "100..2900 (200Hz steps)";
+            this.button6.UseVisualStyleBackColor = true;
+            this.button6.Click += new System.EventHandler(this.button6_Click);
+            // 
             // bt_allf
             // 
             this.bt_allf.Location = new System.Drawing.Point(561, 18);
@@ -1116,6 +1127,29 @@
             this.panel1.Size = new System.Drawing.Size(564, 514);
             this.panel1.TabIndex = 31;
             // 
+            // textBox6
+            // 
+            this.textBox6.BackColor = System.Drawing.SystemColors.Control;
+            this.textBox6.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
+            this.textBox6.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F);
+            this.textBox6.Location = new System.Drawing.Point(195, 167);
+            this.textBox6.Multiline = true;
+            this.textBox6.Name = "textBox6";
+            this.textBox6.ReadOnly = true;
+            this.textBox6.Size = new System.Drawing.Size(93, 35);
+            this.textBox6.TabIndex = 35;
+            this.textBox6.Text = "or double click in spectrum";
+            // 
+            // cb_rx_autosync
+            // 
+            this.cb_rx_autosync.AutoSize = true;
+            this.cb_rx_autosync.Location = new System.Drawing.Point(195, 146);
+            this.cb_rx_autosync.Name = "cb_rx_autosync";
+            this.cb_rx_autosync.Size = new System.Drawing.Size(93, 17);
+            this.cb_rx_autosync.TabIndex = 34;
+            this.cb_rx_autosync.Text = "RX Auto Sync";
+            this.cb_rx_autosync.UseVisualStyleBackColor = true;
+            // 
             // rb_rtty_real
             // 
             this.rb_rtty_real.AutoSize = true;
@@ -1650,7 +1684,6 @@
             this.groupBox3.Controls.Add(this.pictureBox3);
             this.groupBox3.Controls.Add(this.bt_tune_plus);
             this.groupBox3.Controls.Add(this.bt_tune_minus);
-            this.groupBox3.Controls.Add(this.cb_marker);
             this.groupBox3.Controls.Add(this.vu_cap);
             this.groupBox3.Controls.Add(this.vu_pb);
             this.groupBox3.Controls.Add(this.pb_audioCAPstatus);
@@ -1712,20 +1745,19 @@
             this.bt_tune_minus.Visible = false;
             this.bt_tune_minus.Click += new System.EventHandler(this.bt_tune_minus_Click);
             // 
-            // cb_marker
+            // vu_cap
             // 
-            this.cb_marker.AutoSize = true;
-            this.cb_marker.Checked = true;
-            this.cb_marker.CheckState = System.Windows.Forms.CheckState.Checked;
-            this.cb_marker.Location = new System.Drawing.Point(605, 23);
-            this.cb_marker.Name = "cb_marker";
-            this.cb_marker.RightToLeft = System.Windows.Forms.RightToLeft.No;
-            this.cb_marker.Size = new System.Drawing.Size(129, 17);
-            this.cb_marker.TabIndex = 27;
-            this.cb_marker.Text = "100Hz Tuning Marker";
-            this.cb_marker.UseVisualStyleBackColor = true;
-            this.cb_marker.Visible = false;
-            this.cb_marker.CheckedChanged += new System.EventHandler(this.cb_marker_CheckedChanged);
+            this.vu_cap.Location = new System.Drawing.Point(479, 111);
+            this.vu_cap.Name = "vu_cap";
+            this.vu_cap.Size = new System.Drawing.Size(100, 10);
+            this.vu_cap.TabIndex = 20;
+            // 
+            // vu_pb
+            // 
+            this.vu_pb.Location = new System.Drawing.Point(479, 47);
+            this.vu_pb.Name = "vu_pb";
+            this.vu_pb.Size = new System.Drawing.Size(100, 10);
+            this.vu_pb.TabIndex = 19;
             // 
             // pb_audioCAPstatus
             // 
@@ -2181,49 +2213,6 @@
             this.pn1.Size = new System.Drawing.Size(538, 74);
             this.pn1.TabIndex = 30;
             // 
-            // pb_rxsignal
-            // 
-            this.pb_rxsignal.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pb_rxsignal.BackgroundImage")));
-            this.pb_rxsignal.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Zoom;
-            this.pb_rxsignal.Location = new System.Drawing.Point(511, 47);
-            this.pb_rxsignal.Name = "pb_rxsignal";
-            this.pb_rxsignal.Size = new System.Drawing.Size(24, 24);
-            this.pb_rxsignal.TabIndex = 17;
-            this.pb_rxsignal.TabStop = false;
-            // 
-            // pb_rxsync
-            // 
-            this.pb_rxsync.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pb_rxsync.BackgroundImage")));
-            this.pb_rxsync.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Zoom;
-            this.pb_rxsync.Location = new System.Drawing.Point(511, 2);
-            this.pb_rxsync.Name = "pb_rxsync";
-            this.pb_rxsync.Size = new System.Drawing.Size(24, 24);
-            this.pb_rxsync.TabIndex = 19;
-            this.pb_rxsync.TabStop = false;
-            // 
-            // cb_rx_autosync
-            // 
-            this.cb_rx_autosync.AutoSize = true;
-            this.cb_rx_autosync.Location = new System.Drawing.Point(195, 146);
-            this.cb_rx_autosync.Name = "cb_rx_autosync";
-            this.cb_rx_autosync.Size = new System.Drawing.Size(93, 17);
-            this.cb_rx_autosync.TabIndex = 34;
-            this.cb_rx_autosync.Text = "RX Auto Sync";
-            this.cb_rx_autosync.UseVisualStyleBackColor = true;
-            // 
-            // textBox6
-            // 
-            this.textBox6.BackColor = System.Drawing.SystemColors.Control;
-            this.textBox6.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
-            this.textBox6.Font = new System.Drawing.Font("Microsoft Sans Serif", 8.25F);
-            this.textBox6.Location = new System.Drawing.Point(195, 167);
-            this.textBox6.Multiline = true;
-            this.textBox6.Name = "textBox6";
-            this.textBox6.ReadOnly = true;
-            this.textBox6.Size = new System.Drawing.Size(93, 35);
-            this.textBox6.TabIndex = 35;
-            this.textBox6.Text = "or double click in spectrum";
-            // 
             // progressBar_fifo
             // 
             this.progressBar_fifo.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(128)))), ((int)(((byte)(255)))), ((int)(((byte)(255)))));
@@ -2235,6 +2224,16 @@
             this.progressBar_fifo.Style = System.Windows.Forms.ProgressBarStyle.Continuous;
             this.progressBar_fifo.TabIndex = 13;
             // 
+            // pb_rxsignal
+            // 
+            this.pb_rxsignal.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pb_rxsignal.BackgroundImage")));
+            this.pb_rxsignal.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Zoom;
+            this.pb_rxsignal.Location = new System.Drawing.Point(511, 47);
+            this.pb_rxsignal.Name = "pb_rxsignal";
+            this.pb_rxsignal.Size = new System.Drawing.Size(24, 24);
+            this.pb_rxsignal.TabIndex = 17;
+            this.pb_rxsignal.TabStop = false;
+            // 
             // progressBar_capfifo
             // 
             this.progressBar_capfifo.ForeColor = System.Drawing.Color.FromArgb(((int)(((byte)(255)))), ((int)(((byte)(192)))), ((int)(((byte)(128)))));
@@ -2245,19 +2244,15 @@
             this.progressBar_capfifo.Style = System.Windows.Forms.ProgressBarStyle.Continuous;
             this.progressBar_capfifo.TabIndex = 15;
             // 
-            // vu_cap
+            // pb_rxsync
             // 
-            this.vu_cap.Location = new System.Drawing.Point(479, 111);
-            this.vu_cap.Name = "vu_cap";
-            this.vu_cap.Size = new System.Drawing.Size(100, 10);
-            this.vu_cap.TabIndex = 20;
-            // 
-            // vu_pb
-            // 
-            this.vu_pb.Location = new System.Drawing.Point(479, 47);
-            this.vu_pb.Name = "vu_pb";
-            this.vu_pb.Size = new System.Drawing.Size(100, 10);
-            this.vu_pb.TabIndex = 19;
+            this.pb_rxsync.BackgroundImage = ((System.Drawing.Image)(resources.GetObject("pb_rxsync.BackgroundImage")));
+            this.pb_rxsync.BackgroundImageLayout = System.Windows.Forms.ImageLayout.Zoom;
+            this.pb_rxsync.Location = new System.Drawing.Point(511, 2);
+            this.pb_rxsync.Name = "pb_rxsync";
+            this.pb_rxsync.Size = new System.Drawing.Size(24, 24);
+            this.pb_rxsync.TabIndex = 19;
+            this.pb_rxsync.TabStop = false;
             // 
             // Form1
             // 
@@ -2273,7 +2268,7 @@
             this.ForeColor = System.Drawing.SystemColors.ControlText;
             this.Icon = ((System.Drawing.Icon)(resources.GetObject("$this.Icon")));
             this.Name = "Form1";
-            this.Text = "AMSAT-DL Multimedia HS Modem V0.64 by DJ0ABR";
+            this.Text = "AMSAT-DL Multimedia HS Modem V0.71 by DJ0ABR";
             this.FormClosing += new System.Windows.Forms.FormClosingEventHandler(this.Form1_FormClosing);
             this.statusStrip1.ResumeLayout(false);
             this.statusStrip1.PerformLayout();
@@ -2450,7 +2445,6 @@
         private System.Windows.Forms.Label lb_rec;
         private System.Windows.Forms.Label lb_tuningqrgs;
         private System.Windows.Forms.Button bt_allf;
-        private System.Windows.Forms.CheckBox cb_marker;
         private System.Windows.Forms.PictureBox pictureBox3;
         private System.Windows.Forms.PictureBox pictureBox4;
         private System.Windows.Forms.Button bt_tune_minus;
@@ -2503,6 +2497,7 @@
         private System.Windows.Forms.RadioButton rb_rtty_real;
         private System.Windows.Forms.CheckBox cb_rx_autosync;
         private System.Windows.Forms.TextBox textBox6;
+        private System.Windows.Forms.Button button6;
     }
 }
 

oscardata/oscardata/Form1.cs

@@ -57,8 +57,6 @@ namespace oscardata
             // init GUI
             InitializeComponent();
 
-            //showSSTV();
-
             // needed for ARM mono, which cannot load a picbox directly from file
             var bmp = new Bitmap(Resources.hintergrundxcf);
             pictureBox_rximage.BackgroundImage = bmp;
@@ -222,8 +220,8 @@ namespace oscardata
                 {
                     if (s.Length > 1)
                     {
-                        cb_audioPB.Items.Add(s);
-                        cb_loudspeaker.Items.Add(s);
+                        cb_audioPB.Items.Add(s.Substring(1));
+                        cb_loudspeaker.Items.Add(s.Substring(1));
                     }
                 }
                 cb_loudspeaker.EndUpdate();
@@ -240,8 +238,8 @@ namespace oscardata
                 {
                     if (s.Length > 1)
                     {
-                        cb_audioCAP.Items.Add(s);
-                        cb_mic.Items.Add(s);
+                        cb_audioCAP.Items.Add(s.Substring(1));
+                        cb_mic.Items.Add(s.Substring(1));
                     }
                 }
                 cb_mic.EndUpdate();
@@ -592,7 +590,7 @@ namespace oscardata
             if (statics.CAPfifousage < progressBar_capfifo.Minimum) progressBar_capfifo.Value = progressBar_capfifo.Minimum;
             else if (statics.CAPfifousage >= progressBar_capfifo.Maximum) progressBar_capfifo.Value = progressBar_capfifo.Maximum - 1;
             else progressBar_capfifo.Value = statics.CAPfifousage;
-            if (statics.CAPfifousage > 50) progressBar_capfifo.ForeColor = Color.Red; else progressBar_capfifo.ForeColor = Color.Green;
+            if (statics.CAPfifousage > 80) progressBar_capfifo.ForeColor = Color.Red; else progressBar_capfifo.ForeColor = Color.Green;
 
             // Show RX Status LEDs
             if (statics.RXlevelDetected == 1 || statics.RXinSync == 1)
@@ -621,7 +619,7 @@ namespace oscardata
             if (vl < 20 || vl > 85)
                 vu_cap.ForeColor = Color.Red;
             else
-                vu_cap.ForeColor = Color.Yellow;
+                vu_cap.ForeColor = Color.LightGreen;
 
             addf = 80;
             vl = ((double)statics.maxTXlevel / addf) + Math.Log10((double)statics.maxTXlevel + factor);
@@ -633,7 +631,7 @@ namespace oscardata
             if(vl <20 || vl > 85)
                 vu_pb.ForeColor = Color.Red;
             else
-                vu_pb.ForeColor = Color.Yellow;
+                vu_pb.ForeColor = Color.LightGreen;
 
             if (recordStatus == 1)
             {
@@ -744,13 +742,20 @@ namespace oscardata
         Font fnt = new Font("Verdana", 8.0f);
         Font smallfnt = new Font("Verdana", 6.0f);
 
+        Bitmap lastbm = null;
         private void panel_txspectrum_Paint(object sender, PaintEventArgs e)
         {
             Bitmap bm = Udp.UdpFftBitmap();
             if (bm != null)
             {
+                try { if (lastbm != null) lastbm.Dispose(); } catch { }
                 e.Graphics.DrawImage(bm, 0, 0);
-                bm.Dispose();
+                lastbm = bm;
+            }
+            else
+            {
+                if(lastbm != null)
+                    e.Graphics.DrawImage(lastbm, 0, 0);
             }
             return;
         }
@@ -1106,6 +1111,7 @@ namespace oscardata
             //txcommand = statics.noTX;    // finished
             label_rximage.ForeColor = Color.Black;
             pictureBox_rximage.Image = null;
+            cb_loop.Checked = false;
             ArraySend.stopSending();
             bt_resetmodem_Click(null, null);
         }
@@ -1550,7 +1556,6 @@ namespace oscardata
                 bt_resetmodem.Visible = true;
                 bt_tune_minus.Visible = true;
                 bt_tune_plus.Visible = true;
-                cb_marker.Visible = true;
             }
         }
 
@@ -1983,8 +1988,7 @@ namespace oscardata
                 lb_rxsync.Text = "RX Sync:";
                 cb_sendIntro.Text = "send introduction before TX";
                 tb_recintro.Text = "record introduction";
-                lb_tuningqrgs.Text = "Send Mid-Frequency:";
-                cb_marker.Text = "2.9kHz Tuning Marker";
+                lb_tuningqrgs.Text = "Send Marker Frequency:";
                 label13.Text = "Data Security:";
                 textBox5.Text = "Click on Callsign or Name in RX window";
                 textBox2.Text = @"Special Markers:
@@ -2063,8 +2067,7 @@ namespace oscardata
                 tb_shutdown.Text = "Vor dem Ausschalten eines SBC diesen hier herunterfahren";
                 cb_sendIntro.Text = "sende Vorstellung vor TX";
                 tb_recintro.Text = "Vorstellung aufnehmen";
-                lb_tuningqrgs.Text = "Sende Mittenfrequenz:";
-                cb_marker.Text = "2,9kHz Tuning Markierung";
+                lb_tuningqrgs.Text = "Sende Frequenzmarkierung:";
                 label13.Text = "Datensicherheit:";
                 textBox5.Text = "Klicke auf Rufzeichen und Namen im RX Fenster";
                 textBox2.Text = @"Spezialzeichen:
@@ -2225,15 +2228,12 @@ namespace oscardata
 
         private void bt_allf_Click(object sender, EventArgs e)
         {
-            bt_tuning(5);
+            bt_tuning(7);
         }
 
-        private void cb_marker_CheckedChanged(object sender, EventArgs e)
+        private void button6_Click(object sender, EventArgs e)
         {
-            Byte[] txdata = new byte[2];
-            txdata[0] = statics.marker;
-            txdata[1] = (Byte)(cb_marker.Checked ? 1 : 0);
-            Udp.UdpSendCtrl(txdata);
+            bt_tuning(1);
         }
 
         private void bt_tune_minus_Click(object sender, EventArgs e)

oscardata/oscardata/Form1.resx

@@ -137,7 +137,7 @@
         AAEAAAD/////AQAAAAAAAAAMAgAAAFdTeXN0ZW0uV2luZG93cy5Gb3JtcywgVmVyc2lvbj00LjAuMC4w
         LCBDdWx0dXJlPW5ldXRyYWwsIFB1YmxpY0tleVRva2VuPWI3N2E1YzU2MTkzNGUwODkFAQAAACZTeXN0
         ZW0uV2luZG93cy5Gb3Jtcy5JbWFnZUxpc3RTdHJlYW1lcgEAAAAERGF0YQcCAgAAAAkDAAAADwMAAAA+
-        JQAAAk1TRnQBSQFMAgEBFwEAAYgBDAGIAQwBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
+        JQAAAk1TRnQBSQFMAgEBFwEAAaABDAGgAQwBEAEAARABAAT/AQkBAAj/AUIBTQE2AQQGAAE2AQQCAAEo
         AwABQAMAAWADAAEBAQABCAYAARgYAAGAAgABgAMAAoABAAGAAwABgAEAAYABAAKAAgADwAEAAcAB3AHA
         AQAB8AHKAaYBAAEzBQABMwEAATMBAAEzAQACMwIAAxYBAAMcAQADIgEAAykBAANVAQADTQEAA0IBAAM5
         AQABgAF8Af8BAAJQAf8BAAGTAQAB1gEAAf8B7AHMAQABxgHWAe8BAAHWAucBAAGQAakBrQIAAf8BMwMA

oscardata/oscardata/udp.cs

@@ -122,11 +122,9 @@ namespace oscardata
                             statics.ModemIP = ModIP;
                             searchtimeout = 0;
                             // message b contains audio devices and init status
-                            statics.initAudioStatus = b[0];
-                            statics.initVoiceStatus = b[1];
 
-                            //String s = statics.ByteArrayToString(b,2);
-                            String s = statics.ByteArrayToStringUtf8(b, 2);
+                            //String s = statics.ByteArrayToString(b,0);
+                            String s = statics.ByteArrayToStringUtf8(b, 0);
                             String[] sa1 = s.Split(new char[] { '^' });
                             statics.AudioPBdevs = sa1[0].Split(new char[] { '~' });
                             statics.AudioCAPdevs = sa1[1].Split(new char[] { '~' }); 
@@ -329,6 +327,7 @@ namespace oscardata
             // bitmap for drawing the complete picture
             bm = new Bitmap(442, 76);
 
+            int rshift = 14;
             using (Graphics gr = Graphics.FromImage(bm))
             {
                 // background
@@ -341,8 +340,8 @@ namespace oscardata
                     // RTTY Markers
                     int low = (statics.tune_frequency - 170 / 2)/10;
                     int high = (statics.tune_frequency + 170 / 2)/10;
-                    gr.DrawLine(pengn, low + 16, yl, low + 16, yh + 3);
-                    gr.DrawLine(pengn, high + 16, yl, high + 16, yh + 3);
+                    gr.DrawLine(pengn, low + rshift, yl, low + rshift, yh + 3);
+                    gr.DrawLine(pengn, high + rshift, yl, high + rshift, yh + 3);
                 }
                 /*
                 // screws at the 4 corners
@@ -366,7 +365,7 @@ namespace oscardata
 
                     us = (int)(fus - 5.0);
                     if(lastus != -1 && i>0)
-                        gr.DrawLine(penyl, i/2+15, 76-lastus, i/2+1+15, 76-us); // 15 istead of 16 to get it in exact position
+                        gr.DrawLine(penyl, i/2+ rshift, 76-lastus, i/2+1+ rshift, 76-us); // 15 istead of 16 to get it in exact position
                     lastus = us;
                 }
             }
@@ -376,6 +375,7 @@ namespace oscardata
         // Udp TX Loop runs in its own thread
         static void Udptxloop()
         {
+            DateTime dt = DateTime.UtcNow;
             UdpClient udpc = new UdpClient();
 
             while (statics.running)
@@ -392,11 +392,19 @@ namespace oscardata
                 if(statics.PBfifousage < 3)
                 {
                     // we need to send more payload data
-                    if (uq_tx.Count() > 0)
+                    // but never send faster than 1000 Byte/s
+                    // because statics.PBfifousage may be updated too slow
+                    //DateTime dtact = DateTime.UtcNow;
+                    //TimeSpan ts = dtact - dt;
+                    //if (ts.TotalMilliseconds > statics.UdpBlocklen)
                     {
-                        Byte[] b = uq_tx.Getarr();
-                        udpc.Send(b, b.Length, statics.ModemIP, statics.UdpTXport);
-                        wait = false;
+                        if (uq_tx.Count() > 0)
+                        {
+                            Byte[] b = uq_tx.Getarr();
+                            udpc.Send(b, b.Length, statics.ModemIP, statics.UdpTXport);
+                            wait = false;
+                            //dt = dtact;
+                        }
                     }
                 }
                 if (wait) Thread.Sleep(1);
@@ -440,25 +448,6 @@ namespace oscardata
             return uq_rx.Getarr();
         }
 
-        public static UInt16[] UdpGetFFT()
-        {
-            if (uq_fft.Count() == 0) return null;
-
-            Byte[] d = uq_fft.Getarr();
-            UInt16[] varr = new UInt16[d.Length / 2];
-            int j = 0;
-            for (int i = 0; i < d.Length; i += 2)
-            {
-                if ((i + 1) >= d.Length) break;
-                UInt16 us = d[i];
-                us <<= 8;
-                us += d[i + 1];
-                if (j >= (varr.Length)) break;
-                varr[j++] = us;
-            }
-            return varr;
-        }
-
         public static qpskitem UdpGetIQ()
         {
             if (uq_iq.Count() == 0) return null;