diff --git a/charon_vna/gui.py b/charon_vna/gui.py
index 653f53c..a7c5d8c 100644
--- a/charon_vna/gui.py
+++ b/charon_vna/gui.py
@@ -23,12 +23,11 @@ from PySide6.QtWidgets import (
     QWidget,
 )
 from skrf import plotting as rf_plt
+from vna import Charon
 
 from charon_vna.gui_helpers import FlowLayout
 from charon_vna.util import db20, s2vswr
 
-# from vna import Charon
-
 # %%
 DEFAULT_CONFIG = dict(
     frequency=np.arange(1e9, 2e9, 11),  # Hz
diff --git a/charon_vna/vna.py b/charon_vna/vna.py
index d23022b..82c8dc0 100644
--- a/charon_vna/vna.py
+++ b/charon_vna/vna.py
@@ -141,8 +141,9 @@ class Charon:
         self.set_output_power(power)
         self.sdr.tx_lo = int(frequency - self.FREQUENCY_OFFSET)
         self.sdr.tx_cyclic_buffer = True
-        # self.sdr.tx(generate_tone(f=self.FREQUENCY_OFFSET, fs=self.sdr.sample_rate))
-        self.sdr.dds_single_tone(self.FREQUENCY_OFFSET, scale=0.9, channel=0)
+        # For some reason the pluto's DDS has truly horrendous phase noise to the point where it looks modulated
+        self.sdr.tx(generate_tone(f=self.FREQUENCY_OFFSET, fs=self.sdr.sample_rate))
+        # self.sdr.dds_single_tone(self.FREQUENCY_OFFSET, scale=0.9, channel=0)
 
     def _rx(self, count: int = 1, fc: float | None = None) -> npt.ArrayLike:
         if count < 1: