diff --git a/data-discovery/src/main/java/vlkb/common/Coord.java b/data-discovery/src/main/java/vlkb/common/Coord.java
index 23d9eb59e020aa1f1dcaead731f0a156883cf421..14b3c7264286ed5104d1fa8ba226b9afd10c8e43 100644
--- a/data-discovery/src/main/java/vlkb/common/Coord.java
+++ b/data-discovery/src/main/java/vlkb/common/Coord.java
@@ -7,4 +7,29 @@ class Coord
    Band band;
    Time time;
    Pol  pol;
+
+
+/* TBD: SIAv2
+
+   Interval fov;
+   Interval spatres;
+   Interval specrp;
+   Interval exptime;
+   Interval timeres;
+
+   String id;
+
+   String collection;
+   String facility;
+   String instrument;
+   String dptype; // dataproduct_type "image" | "cube"
+
+   Integer calib; // 0,1,..,5
+
+   String target;
+   Stirng format; // access_format MIME or DataLink MIME
+
+   Integer maxrec; // implement oveflow and special case maxrec=0
+*/
 }
+