diff --git a/firmware/command_ctrl.ino b/firmware/command_ctrl.ino
index b52d0b7..1f79024 100644
--- a/firmware/command_ctrl.ino
+++ b/firmware/command_ctrl.ino
@@ -275,6 +275,8 @@ void cc_startMeasurement()
     Serial.write(tmp);
   }
 
+  si5351.output_enable(SI5351_CLK0, 0); // disable clock output 0
+
 }
 
 void cc_getConfig()
@@ -425,4 +427,4 @@ void cc_clearReadDataBuffer()
 }
 
 /*****************************************************************************/
-
+
diff --git a/tools/2m_scan.bat b/tools/2m_scan.bat
index 93b433d..43f3d5c 100644
--- a/tools/2m_scan.bat
+++ b/tools/2m_scan.bat
@@ -1,5 +1,5 @@
 @echo off
 
-C:\Python27\python.exe meas.py -o 70cm.csv -s 144000000 -e 146100000 -i 50 -p 5000 -d COM16 -m
+C:\Python27\python.exe meas.py -o 2m.csv -s 144000000 -e 146100000 -i 1 -p 5000 -d COM16 -m
 
 pause
diff --git a/tools/meas.py b/tools/meas.py
index 4f14082..431a10d 100644
--- a/tools/meas.py
+++ b/tools/meas.py
@@ -529,7 +529,7 @@ if __name__ == "__main__":
                 min_vswr[1] = m[0] # the frequency
 
               # R = meas_data[0] * 5V / 1023 * I
-              r = (m[1] * 5.0 / 1023.0) / i
+              r = 20.0 * vswr # (m[1] * 5.0 / 1023.0) / i
               meas_r.append(r)
 
               # P = meas_data[0] * 5V ^ 2 / r
diff --git a/tools/sample_data/aaron_gummiwurst_2m.xlsx b/tools/sample_data/aaron_gummiwurst_2m.xlsx
new file mode 100644
index 0000000..6798e68
Binary files /dev/null and b/tools/sample_data/aaron_gummiwurst_2m.xlsx differ
diff --git a/tools/sample_data/kai_gp_2m.xlsx b/tools/sample_data/kai_gp_2m.xlsx
new file mode 100644
index 0000000..4d1ddbf
Binary files /dev/null and b/tools/sample_data/kai_gp_2m.xlsx differ