diff --git a/lib/nexrad/afos.py b/lib/nexrad/afos.py
index f8fa079..e1df7c8 100644
--- a/lib/nexrad/afos.py
+++ b/lib/nexrad/afos.py
@@ -119,7 +119,14 @@ class AFOSMessage(DatabaseTable):
 
     def __init__(self):
         super().__init__()
-        self.product = None
+        self.id     = None
+        self.serial = None
+
+        self.timestamp_issued = None
+        self.timestamp_start  = None
+        self.timestamp_end    = None
+
+        self.product    = None
         self.vtec_type  = None
         self.actions    = None
         self.wfo        = None