diff --git a/src/main/java/io/github/dsheirer/module/decode/dcs/DCSCode.java b/src/main/java/io/github/dsheirer/module/decode/dcs/DCSCode.java
index 5fd7e27a..4ff4ac3f 100644
--- a/src/main/java/io/github/dsheirer/module/decode/dcs/DCSCode.java
+++ b/src/main/java/io/github/dsheirer/module/decode/dcs/DCSCode.java
@@ -29,6 +29,10 @@ import java.util.Map;
  * Code values are the bit reversed integer values of the 23-bit binary sequence representation.  The values are bit
  * reversed for normal (N) codes and as specified in the ETSI chart for the inverted (I) codes to align with the
  * transmitted format.
+ * 
+ * Extended the list of codes from original 83 found in the above referenced specification to the commonly used 104 codes
+ * supported in most modern day radios by calculating the Golay values, applying the offset and storing the values bit
+ * reversed in decimal notation. - by Paul Donahue (pauldonahue) with help of MS Copilot.
  */
 public enum DCSCode
 {
@@ -38,9 +42,11 @@ public enum DCSCode
     I026(6674454),
     I031(5371929),
     I032(6248474),
+    I036(780318),
     I043(5990435),
     I047(1038375),
     I051(8169513),
+    I053(3495979),
     I054(7292972),
     I065(6101045),
     I071(6789177),
@@ -50,11 +56,13 @@ public enum DCSCode
     I114(3532876),
     I115(7518285),
     I116(8132686),
+    I122(6137938),
     I125(505941),
     I131(4012121),
     I132(3381338),
     I134(3070044),
     I143(3647587),
+    I145(2812005),
     I152(2017386),
     I155(4511853),
     I156(4880494),
@@ -63,23 +71,33 @@ public enum DCSCode
     I172(391290),
     I174(1620092),
     I205(7248005),
+    I212(5945482),
     I223(6875283),
+    I225(7710869),
     I226(8063126),
     I243(4569251),
     I244(2074788),
     I245(5830821),
+    I246(5658790),
     I251(6453417),
+    I252(7133354),
+    I255(3590317),
     I261(1538225),
     I263(6195379),
     I265(4442293),
+    I266(5073078),
     I271(7948473),
+    I274(6990012),
     I306(850118),
     I311(3725513),
     I315(7104717),
+    I325(1665237),
     I331(2353369),
+    I332(2967770),
     I343(2717923),
     I346(3840230),
     I351(964841),
+    I356(5548270),
     I364(6838516),
     I365(3082485),
     I371(1411321),
@@ -90,12 +108,19 @@ public enum DCSCode
     I431(7100697),
     I432(6486298),
     I445(8096037),
+    I446(7678246),
+    I452(5220650),
+    I454(5433644),
+    I455(1423661),
+    I462(3844402),
     I464(2615604),
     I465(6338869),
     I466(7215414),
     I503(3959107),
     I506(3115334),
     I516(4307278),
+    I523(2578771),
+    I526(3455318),
     I532(932186),
     I546(1698150),
     I565(817525),
@@ -105,6 +130,7 @@ public enum DCSCode
     I627(129431),
     I631(7506329),
     I632(8137114),
+    I645(6642085),
     I654(4995500),
     I662(2390450),
     I664(3750324),
@@ -123,9 +149,11 @@ public enum DCSCode
     N026(3411411),
     N031(4984773),
     N032(2887037),
+    N036(3935208),
     N043(6425453),
     N047(7474680),
     N051(4852383),
+    N053(6950230),
     N054(1706363),
     N065(5639261),
     N071(5115123),
@@ -135,11 +163,13 @@ public enum DCSCode
     N114(1641430),
     N115(5836455),
     N116(3738655),
+    N122(2427613),
     N125(5574384),
     N131(5049950),
     N132(2952422),
     N134(1904058),
     N143(6490870),
+    N145(5442474),
     N152(2820540),
     N155(5967249),
     N156(3870505),
@@ -150,22 +180,31 @@ public enum DCSCode
     N205(5278907),
     N212(2657965),
     N223(6589323),
+    N225(5540567),
     N226(3442799),
     N243(6459089),
     N244(1215228),
     N245(5410701),
+    N246(3312949),
     N251(4886307),
+    N252(2788763),
+    N255(5933494),
     N261(4624244),
     N263(6719677),
     N265(5671393),
+    N266(3574617),
     N271(5146959),
+    N274(2001579),
     N306(3248024),
     N311(4820366),
     N315(5868315),
+    N325(5606220),
     N331(5082082),
+    N332(2984282),
     N343(6524746),
     N346(3378350),
     N351(4951736),
+    N356(3902101),
     N364(1543435),
     N365(5736570),
     N371(5212372),
@@ -176,12 +215,19 @@ public enum DCSCode
     N431(5000475),
     N432(2903971),
     N445(5392623),
+    N446(3295831),
+    N452(2771705),
+    N454(1723301),
+    N455(5918420),
+    N462(2509486),
     N464(1461234),
     N465(5656195),
     N466(3558459),
     N503(6376222),
     N506(3229946),
     N516(3755713),
+    N523(6638962),
+    N526(3493526),
     N532(2969144),
     N546(3361740),
     N565(5721880),
@@ -191,6 +237,7 @@ public enum DCSCode
     N627(7655360),
     N631(5032103),
     N632(2935327),
+    N645(5426515),
     N654(1756697),
     N662(2543378),
     N664(1494606),