diff --git a/gnss/aidl/default/GnssDebug.cpp b/gnss/aidl/default/GnssDebug.cpp
new file mode 100644
index 0000000..f40c0bc
--- /dev/null
+++ b/gnss/aidl/default/GnssDebug.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (C) 2021 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#define LOG_TAG "GnssDebugAidl"
+
+#include "GnssDebug.h"
+#include <log/log.h>
+#include "MockLocation.h"
+
+namespace aidl::android::hardware::gnss {
+
+ndk::ScopedAStatus GnssDebug::getDebugData(DebugData* debugData) {
+    ALOGD("GnssDebug::getDebugData");
+
+    PositionDebug positionDebug = {.valid = true,
+                                   .latitudeDegrees = 37.4219999,
+                                   .longitudeDegrees = -122.0840575,
+                                   .altitudeMeters = 1.60062531,
+                                   .speedMetersPerSec = 0,
+                                   .bearingDegrees = 0,
+                                   .horizontalAccuracyMeters = 5,
+                                   .verticalAccuracyMeters = 5,
+                                   .speedAccuracyMetersPerSecond = 1,
+                                   .bearingAccuracyDegrees = 90,
+                                   .ageSeconds = 0.99};
+    TimeDebug timeDebug = {.timeEstimateMs = 1519930775453L,
+                           .timeUncertaintyNs = 1000,
+                           .frequencyUncertaintyNsPerSec = 5.0e4};
+    std::vector<SatelliteData> satelliteDataArrayDebug = {};
+    debugData->position = positionDebug;
+    debugData->time = timeDebug;
+    debugData->satelliteDataArray = satelliteDataArrayDebug;
+
+    return ndk::ScopedAStatus::ok();
+}
+
+}  // namespace aidl::android::hardware::gnss