diff --git a/simulations/airshower_beacon_simulation/db_longitudinal_figure.py b/simulations/airshower_beacon_simulation/db_longitudinal_figure.py
new file mode 100755
index 0000000..980bb7d
--- /dev/null
+++ b/simulations/airshower_beacon_simulation/db_longitudinal_figure.py
@@ -0,0 +1,54 @@
+#!/usr/bin/env python3
+# vim: fdm=indent ts=4
+
+"""
+Do a reconstruction of airshower after correcting for the
+clock offsets.
+"""
+
+import matplotlib.pyplot as plt
+from mpl_toolkits.mplot3d import Axes3D # required for projection='3d' on old matplotliblib versions
+import numpy as np
+from os import path
+import pickle
+
+import aa_generate_beacon as beacon
+import lib
+from lib import rit
+
+
+if __name__ == "__main__":
+    import sys
+    import os
+    import matplotlib
+    if os.name == 'posix' and "DISPLAY" not in os.environ:
+        matplotlib.use('Agg')
+
+    fname = "ZH_airshower/mysim.sry"
+
+    fig_dir = "./figures/"
+    show_plots = False
+
+    ####
+    fname_dir = path.dirname(fname)
+    antennas_fname = path.join(fname_dir, beacon.antennas_fname)
+    pickle_fname = path.join(fname_dir, 'res.pkl')
+
+    # create fig_dir
+    if fig_dir:
+        os.makedirs(fig_dir, exist_ok=True)
+
+    # Load res from pickle
+    with open(pickle_fname, 'rb') as f:
+        res = pickle.load(f)
+
+    ##
+    # Longitudinal figures
+    ##
+    for i in range(2):
+        mode = ['grammage', 'distance'][i]
+
+        fig = rit.longitudinal_figure(res.dl[0], res.dX[0], res.profile_rit[0], mode=mode)
+
+        if fig_dir:
+            fig.savefig(path.join(fig_dir, path.basename(__file__) + f".{mode}.pdf"))