diff --git a/gnss_thread.py b/gnss_thread.py
index 7710017..afaecf0 100644
--- a/gnss_thread.py
+++ b/gnss_thread.py
@@ -34,9 +34,7 @@ class GnssReader(QThread):
                 chunk = self._transport.read(512)
                 frames = self.packetizer.on_recv(chunk)
                 res   = extract_satellites(frames)
-                if 'sat' in res:
-                    self.satellites_updated.emit(res)
-                if 'dop' in res:
+                if res:
                     self.satellites_updated.emit(res)
 
         except (serial.SerialException, OSError, ConnectionRefusedError,
diff --git a/plot_tab.py b/plot_tab.py
index 6dcfa7f..2996278 100644
--- a/plot_tab.py
+++ b/plot_tab.py
@@ -228,22 +228,7 @@ class SinglePlotPanel(QWidget):
             h      = self._history[key]
             color  = CURVE_PALETTE[idx % len(CURVE_PALETTE)]
             active = h.get("active", True)
-
-            if active:
-                pen = pg.mkPen(color=color, width=1, style=Qt.SolidLine)
-            else:
-                # Inaktiver SV: gestrichelte Linie bei y=0
-                pen = pg.mkPen(color=color, width=1, style=Qt.DashLine)
-                x_data = h["x"] if h["x"] else [datetime.now().timestamp()]
-                y_data = [0.0] * len(x_data)
-                if key in self._curves:
-                    self._curves[key].setData(x_data, y_data)
-                    self._curves[key].setPen(pen)
-                else:
-                    self._curves[key] = self._plot.plot(
-                        x_data, y_data, pen=pen, name=f"{key} (weg)"
-                    )
-                continue
+            pen = pg.mkPen(color=color, width=1, style=Qt.SolidLine)
 
             if key not in self._curves:
                 self._curves[key] = self._plot.plot(
diff --git a/ubx.py b/ubx.py
index 67cced0..f8db3c8 100644
--- a/ubx.py
+++ b/ubx.py
@@ -174,11 +174,12 @@ def parse_nav_dop(payload: bytes) -> dict:
 	return res
 
 def extract_satellites(frames: list[dict]) -> dict:
+	res = {}
 	for f in frames:
 		if f["cls"] == UBX_CLASS_NAV and f["id"] == UBX_ID_NAV_SAT:
-			return {'sat': parse_nav_sat(f["payload"])}
+			res['sat'] = parse_nav_sat(f["payload"])
 		if f["cls"] == UBX_CLASS_NAV and f["id"] == UBX_ID_NAV_SVINFO:
-			return {'sat': parse_nav_svinfo(f["payload"])}
+			res['sat'] = parse_nav_svinfo(f["payload"])
 		if f["cls"] == UBX_CLASS_NAV and f["id"] == UBX_ID_NAV_DOP:
-			return {'dop': parse_nav_dop(f["payload"])}
-	return {}
+			res['dop'] = parse_nav_dop(f["payload"])
+	return res