Impedance calculation fixed. Two new sample data files added.

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()

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

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