diff --git a/geomagio/api/ws/Observatory.py b/geomagio/api/ws/Observatory.py
index fe857c9acfed34b9fbe96da7b2ad1b85fc9b3589..4fc97bad3c9fba212832e014d1e33d3c8a9e5b2b 100644
--- a/geomagio/api/ws/Observatory.py
+++ b/geomagio/api/ws/Observatory.py
@@ -206,6 +206,15 @@ OBSERVATORIES = [
         agency="USGS",
         declination_base=764,
     ),
+    Observatory(
+        id="GUT",
+        elevation=140,
+        latitude=13.588,
+        longitude=144.867,
+        name="Guam Test",
+        agency="USGS",
+        declination_base=764,
+    ),
     Observatory(
         id="HON",
         elevation=4,
@@ -215,6 +224,15 @@ OBSERVATORIES = [
         agency="USGS",
         declination_base=5982,
     ),
+    Observatory(
+        id="HOT",
+        elevation=4,
+        latitude=21.316,
+        longitude=202.0,
+        name="Honolulu Test",
+        agency="USGS",
+        declination_base=5982,
+    ),
     Observatory(
         id="NEW",
         elevation=770,