gpsutils: Add 999 as user defined datum.

1 files changed, 3 insertions, 0 deletions

diff --git a/gpsutils.c b/gpsutils.c
index 55b6e531..ab341010 100644
--- a/gpsutils.c
+++ b/gpsutils.c
@@ -693,6 +693,9 @@ void datum_code_string(int code, char *buffer, size_t len)
     case 182:
         datum_str = "PZ90.11";
         break;
+    case 999:
+        datum_str = "User Defined";
+        break;
     default:
         datum_str = NULL;
         break;