diff --git a/README.md b/README.md
index 3db8af1..3f0c2c7 100644
--- a/README.md
+++ b/README.md
@@ -331,6 +331,9 @@ F/NAV CRC error, skipping
 I/NAV CRC error, skipping
 ```
 
+# Alerts
+See the script `scripts/galmonmonmon` to check ground station status.
+
 # Status
 Three ground stations running.
 
diff --git a/scripts/galmonmonmon b/scripts/galmonmonmon
index bfe2ecf..570f55d 100755
--- a/scripts/galmonmonmon
+++ b/scripts/galmonmonmon
@@ -26,9 +26,9 @@
 # ./galmonmonmon --id=192 --sec=3600
 
 import argparse
+import os
 import pandas as pd
-import time
-from datetime import datetime, date
+from datetime import datetime
 
 # Live URL
 observer_url=('https://galmon.eu/observers.json')
@@ -77,6 +77,9 @@ def observer_alert(observer_id, observer_owner, observer_sec):
     print('ALERT: ', end='')
     print('Station ', observer_id, ', ', observer_owner, end='', sep='')
     print(', last seen', '{:.0f}'.format(observer_sec), 'seconds ago.')
+    # Put a shell command you want to run here, perhaps.
+    #os.system('echo OMG down | mail -s"Galmon alert" foo@barmail')
+    #os.system('/usr/local/bin/my-chat-alert-script.sh')
 
 def observer_ok(observer_id, observer_owner, observer_sec):
     print('OK: ', end='')