diff --git a/payload_id_list.txt b/payload_id_list.txt
index 88077dc..4b3ef86 100644
--- a/payload_id_list.txt
+++ b/payload_id_list.txt
@@ -32,7 +32,7 @@
 22, PA3FNT-4FSK
 23, MAGNU
 24, IDA-4FSK
-25, GSN-TS-2
+25, GSN-TS-4FSK
 26, PA1SDB-4FSK
 27, PA3DJR-4FSK
 28, DL1XH-4FSK
@@ -60,3 +60,4 @@
 50, VK5LJG-4FSK
 51, SQ3PMN-4FSK
 52, SQ6TW-4FSK
+53, SP3MCY-4FSK