diff --git a/application/config/migration.php b/application/config/migration.php
index 37cfddba..2522a204 100644
--- a/application/config/migration.php
+++ b/application/config/migration.php
@@ -21,7 +21,7 @@ $config['migration_enabled'] = TRUE;
 | be upgraded / downgraded to.
 |
 */
-$config['migration_version'] = 41;
+$config['migration_version'] = 49;
 
 /*
 |--------------------------------------------------------------------------
diff --git a/application/migrations/049_add_stationprofile_measurement_base.php b/application/migrations/049_add_stationprofile_measurement_base.php
new file mode 100644
index 00000000..974b35df
--- /dev/null
+++ b/application/migrations/049_add_stationprofile_measurement_base.php
@@ -0,0 +1,20 @@
+<?php
+
+defined('BASEPATH') OR exit('No direct script access allowed');
+
+class Migration_add_stationprofile_measurement_base extends CI_Migration {
+
+    public function up()
+    {
+        $fields = array(
+            'measurement_base varchar(1) DEFAULT "K"',
+        );
+
+        $this->dbforge->add_column('station_profile', $fields);
+    }
+
+    public function down()
+    {
+        $this->dbforge->drop_column('station_profile', 'measurement_base');
+    }
+}
\ No newline at end of file