diff --git a/payload_id_list.txt b/payload_id_list.txt
index 385fe96..91ed171 100644
--- a/payload_id_list.txt
+++ b/payload_id_list.txt
@@ -127,6 +127,8 @@
 117, SP3YDE-4FSK
 118, PE9GHZ-4FSK
 119, ICARO
+120, SP3GTP-4FSK
+121, SP3LM-4FSK
 # IDs for 32-byte payloads
 256, 4FSKTEST-V2
 257, OH3HAB-4FSK-V2