diff --git a/data_logging/tests/data/sample_log_entry.json b/data_logging/tests/data/sample_log_entry.json
new file mode 100644
index 0000000..4b8a4f9
--- /dev/null
+++ b/data_logging/tests/data/sample_log_entry.json
@@ -0,0 +1,17 @@
+[
+  {
+    "timestamp": "2024-08-12T22:15:30Z",
+    "frequency": 2.437,
+    "signal_strength": -65.2
+  },
+  {
+    "timestamp": "2024-08-12T22:15:45Z",
+    "frequency": 2.462,
+    "signal_strength": -70.5
+  },
+  {
+    "timestamp": "2024-08-12T22:16:00Z",
+    "frequency": 5.180,
+    "signal_strength": -72.0
+  }
+]
\ No newline at end of file