diff --git a/missions/avcl/TCE22-2MemsAcousticVectorSensorTesting.xml b/missions/avcl/TCE22-2MemsAcousticVectorSensorTesting.xml
index 5de8163cbdeebed53bb4696f5a89af688b0afe80..610293c254cbbdb31305ab9e05c418663ac06fb1 100644
--- a/missions/avcl/TCE22-2MemsAcousticVectorSensorTesting.xml
+++ b/missions/avcl/TCE22-2MemsAcousticVectorSensorTesting.xml
@@ -20,7 +20,10 @@
 	</head>
 	<body>
 		<UnitsOfMeasure distance="yards" angle="degrees" mass="kilograms" time="seconds"/>
-		<OperatingArea>
+		<OperatingArea id="NpsMemsOperatingArea" description="Approximate rectangle, corner points from OpenStreetMap">
+			<urlMap>https://map.openseamap.org/?zoom=17&amp;lat=33.21657&amp;lon=-117.40033&amp;layers=BFTFFFFFFTF0FFFFFFFFFF</urlMap>
+			<!-- ampersands escaped as &amp; in XML source  files-->
+			<!-- URI normalization https://en.wikipedia.org/wiki/URI_normalization -->
 			<Polygon>
 				<LatitudeLongitude id="MemsSW" description="Mems SW corner" latitude="N33Â°12.886'" longitude="W117Â°23.933'"/>
 				<LatitudeLongitude id="MemsNW" description="Mems NW corner" latitude="N33Â°12.922'" longitude="W117Â°23.953'"/>