diff --git a/boot.php b/boot.php
index 1d21c71ee..c8d9cebfe 100755
--- a/boot.php
+++ b/boot.php
@@ -27,7 +27,7 @@ use Code\Lib\Url;
  */
 
 const REPOSITORY_ID = 'streams';
-const DB_UPDATE_VERSION = 1277;
+const DB_UPDATE_VERSION = 1278;
 const PROJECT_BASE = __DIR__;
 const ACTIVITYPUB_ENABLED = true;
 const NOMAD_PROTOCOL_VERSION = '13.3';
diff --git a/install/schema_mysql.sql b/install/schema_mysql.sql
index 83202a0d6..6d5d9b325 100644
--- a/install/schema_mysql.sql
+++ b/install/schema_mysql.sql
@@ -617,8 +617,8 @@ CREATE TABLE IF NOT EXISTS `item` (
   `item_delayed` tinyint NOT NULL DEFAULT 0 ,
   `item_pending_remove` tinyint NOT NULL DEFAULT 0 ,
   `item_blocked` tinyint NOT NULL DEFAULT 0 ,
-  `lat` float NOT NULL DEFAULT '0',
-  `lon` float NOT NULL DEFAULT '0',
+  `lat` double NOT NULL DEFAULT '0',
+  `lon` double NOT NULL DEFAULT '0',
   PRIMARY KEY (`id`),
   KEY `parent` (`parent`),
   KEY `created` (`created`),
diff --git a/install/schema_postgres.sql b/install/schema_postgres.sql
index e7fa509c2..d91792203 100644
--- a/install/schema_postgres.sql
+++ b/install/schema_postgres.sql
@@ -631,8 +631,8 @@ CREATE TABLE "item" (
   "item_delayed" smallint NOT NULL DEFAULT '0',
   "item_pending_remove" smallint NOT NULL DEFAULT '0',
   "item_blocked" smallint NOT NULL DEFAULT '0',
-  "lat" float NOT NULL DEFAULT '0',
-  "lon" float NOT NULL DEFAULT '0',
+  "lat" double NOT NULL DEFAULT '0',
+  "lon" double NOT NULL DEFAULT '0',
   "item_search_vector" tsvector,
   PRIMARY KEY ("id")
 );
diff --git a/src/Lib/Libzot.php b/src/Lib/Libzot.php
index 45c52f593..d367d7d21 100644
--- a/src/Lib/Libzot.php
+++ b/src/Lib/Libzot.php
@@ -908,6 +908,11 @@ class Libzot
                 $px = 1;
             }
 
+            if (! empty($arr['did'])) {
+                // see if this system supports did and if this channel has been migrated already.
+                // If not, migrate it.
+            }
+
             $x = xchan_store_lowlevel(
                 [
                     'xchan_hash' => $xchan_hash,
@@ -3029,8 +3034,10 @@ class Libzot
 
         // Communication details
 
+
         $ret['id'] = $e['xchan_guid'];
         $ret['id_sig'] = self::sign($e['xchan_guid'], $e['channel_prvkey']);
+        $ret['did'] = Channel::getDidResolver($e);
 
         $primary = new Primary([
             'address' => $e['xchan_addr'],
diff --git a/src/Update/_1278.php b/src/Update/_1278.php
new file mode 100644
index 000000000..4fa569398
--- /dev/null
+++ b/src/Update/_1278.php
@@ -0,0 +1,48 @@
+<?php
+
+namespace Code\Update;
+
+class _1278
+{
+    public function run()
+    {
+
+        q("START TRANSACTION");
+
+        if (ACTIVE_DBTYPE == DBTYPE_POSTGRES) {
+            $r1 = q("ALTER TABLE item ALTER COLUMN lat TYPE DOUBLE");
+            $r2 = q("ALTER TABLE item ALTER COLUMN lon TYPE DOUBLE");
+            $r = ($r1 && $r2);
+        }
+        else {
+            $r = q("ALTER TABLE `item` 
+                CHANGE `lat` `lat` DOUBLE NOT NULL DEFAULT '0', 
+                CHANGE `lon` `lon` DOUBLE NOT NULL DEFAULT '0'"
+            );
+        }
+
+        if ($r) {
+            q("COMMIT");
+            return UPDATE_SUCCESS;
+        }
+
+        q("ROLLBACK");
+        return UPDATE_FAILED;
+    }
+
+    public function verify()
+    {
+
+        $columns = db_columns('item');
+
+        if (in_array('lat', $columns) && in_array('lon', $columns)) {
+            return true;
+        }
+        return false;
+    }
+
+
+
+
+
+}
\ No newline at end of file