diff --git a/db/nexrad.sql b/db/nexrad.sql
index 04f78eb..b16de4c 100644
--- a/db/nexrad.sql
+++ b/db/nexrad.sql
@@ -4,7 +4,7 @@ select InitSpatialMetadata(1);
 begin transaction;
 
 create table nexrad_wfo (
-    code    TEXT NOT NULL,
+    code    TEXT PRIMARY KEY NOT NULL,
     city    TEXT NOT NULL,
     state   TEXT NOT NULL,
     address TEXT NOT NULL
@@ -15,9 +15,9 @@ select
     CreateSpatialIndex('nexrad_wfo', 'coord');
 
 create table nexrad_radar (
-    wban           INTEGER,
-    call           TEXT NOT NULL,
+    call           TEXT PRIMARY KEY NOT NULL,
     name           TEXT NOT NULL,
+    wban           INTEGER,
     site_elevation FLOAT NOT NULL,
     tower_height   FLOAT NOT NULL
 );