diff --git a/payload_id_list.txt b/payload_id_list.txt
index eca3f80..5772eff 100644
--- a/payload_id_list.txt
+++ b/payload_id_list.txt
@@ -46,3 +46,4 @@
 36, KD8YQL-4FSK
 37, SQ5RB-4FSK
 38, DH3SUP-4FSK
+39, LUX2