[b] altitudes in km for updating pathlengthts

FHSTP/01_data_preparation/prep.py

@@ -2,8 +2,8 @@
 # Title: Data Preparation for LINK Configs and Transmissions
 # Author: Fabian Kovac <ds191008@fhstp.ac.at>
 # Team: University of Applied Sciences St. Pölten
-# Version: 3.1
-# Last changed: 2021-11-03
+# Version: 3.2
+# Last changed: 2021-11-11
 #
 
 import sys
@@ -183,7 +183,7 @@ def get_distance(lon_a: np.array, lat_a: np.array, alt_a: np.array, lon_b: np.ar
     distance = np.sqrt(np.square(dx) + np.square(dy) + np.square(dz))
     
     # incorporate altitudes into the distance
-    distance = np.sqrt(np.square(distance) + np.square(alt_a - alt_b))
+    distance = np.sqrt(np.square(distance) + np.square((alt_a/1e3) - (alt_b/1e3)))
     	
     return distance
 
@@ -463,9 +463,9 @@ def prep() -> None:
     # check if columns exists (only present with 2021-05)
     if 'TXFREQUENCY' in df_config.columns and 'RXFREQUENCY' in df_config.columns:
         df_config['RXFREQUENCY'] = df_config['RXFREQUENCY'].astype('float')
-        df_config['RXFREQUENCY'] = df_config['RXFREQUENCY']/1000
+        df_config['RXFREQUENCY'] = df_config['RXFREQUENCY']/1e3
         df_config['TXFREQUENCY'] = df_config['TXFREQUENCY'].astype('float')
-        df_config['TXFREQUENCY'] = df_config['TXFREQUENCY']/1000
+        df_config['TXFREQUENCY'] = df_config['TXFREQUENCY']/1e3
         _log('Converted RXFREQUENCY and TXFREQUENCY to float and GHz')