diff --git a/groundstation/bookmarks.json b/groundstation/bookmarks.json
index 686da37e..2a8a92d8 100644
--- a/groundstation/bookmarks.json
+++ b/groundstation/bookmarks.json
@@ -9,6 +9,12 @@
     "frequency": 145819000,
     "modulation": "nfm"
   },
+  {
+    "name": "ARISS Repeater Downlink",
+    "frequency": 437800000,
+    "modulation": "nfm"
+
+  },
   {
     "name": "AO-27",
     "frequency": 436795000,