diff --git a/test/data b/test/data
index 8bdbd9aa..af8df92e 160000
--- a/test/data
+++ b/test/data
@@ -1 +1 @@
-Subproject commit 8bdbd9aaa97187fb1291298bafb638ced4806ed3
+Subproject commit af8df92e3da352a017f1bbe8151b1765b972c510
diff --git a/test/source/scwx/wsr88d/level3_file.test.cpp b/test/source/scwx/wsr88d/level3_file.test.cpp
new file mode 100644
index 00000000..56bfd6be
--- /dev/null
+++ b/test/source/scwx/wsr88d/level3_file.test.cpp
@@ -0,0 +1,79 @@
+#include <scwx/wsr88d/level3_file.hpp>
+
+#include <gtest/gtest.h>
+
+namespace scwx
+{
+namespace wsr88d
+{
+
+class ValidFileTest :
+    public testing::TestWithParam<std::pair<int16_t, std::string>>
+{
+};
+
+TEST_P(ValidFileTest, ValidFile)
+{
+   Level3File file;
+
+   auto param = GetParam();
+
+   const std::string filename {param.second};
+
+   bool fileValid = file.LoadFile(std::string(SCWX_TEST_DATA_DIR) +
+                                  "/nexrad/level3/" + filename);
+
+   EXPECT_EQ(fileValid, true);
+}
+
+INSTANTIATE_TEST_SUITE_P(
+   Level3File,
+   ValidFileTest,
+   testing::Values(
+      std::pair<int16_t, std::string> {2, "KLSX_NXUS63_GSMLSX_202112110238"},
+      std::pair<int16_t, std::string> {30, "KLSX_SDUS63_NSWLSX_202112110135"},
+      std::pair<int16_t, std::string> {32, "KLSX_SDUS53_DHRLSX_202112110215"},
+      std::pair<int16_t, std::string> {37, "KLSX_SDUS53_NCRLSX_202112110215"},
+      std::pair<int16_t, std::string> {38, "KLSX_SDUS63_NCZLSX_202112110130"},
+      std::pair<int16_t, std::string> {41, "KLSX_SDUS73_NETLSX_202112110152"},
+      std::pair<int16_t, std::string> {48, "KLSX_SDUS33_NVWLSX_202112110119"},
+      std::pair<int16_t, std::string> {56, "KLSX_SDUS23_N2SLSX_202112110109"},
+      std::pair<int16_t, std::string> {57, "KLSX_SDUS53_NVLLSX_202112110130"},
+      std::pair<int16_t, std::string> {58, "KLSX_SDUS33_NSTLSX_202112110215"},
+      std::pair<int16_t, std::string> {59, "KLSX_SDUS63_NHILSX_202112110152"},
+      std::pair<int16_t, std::string> {61, "KLSX_SDUS63_NTVLSX_202112110152"},
+      std::pair<int16_t, std::string> {62, "KLSX_SDUS63_NSSLSX_202112110140"},
+      std::pair<int16_t, std::string> {66, "KLSX_SDUS63_NMLLSX_202112110119"},
+      std::pair<int16_t, std::string> {67, "KLSX_SDUS63_NLALSX_202112110119"},
+      std::pair<int16_t, std::string> {74, "KLSX_SDUS43_RCMLSX_202112110244"},
+      std::pair<int16_t, std::string> {78, "KLSX_SDUS33_N1PLSX_202112110103"},
+      std::pair<int16_t, std::string> {79, "KLSX_SDUS63_N3PLSX_202112110209"},
+      std::pair<int16_t, std::string> {80, "KLSX_SDUS53_NTPLSX_202112110114"},
+      std::pair<int16_t, std::string> {81, "KLSX_SDUS53_DPALSX_202112110238"},
+      std::pair<int16_t, std::string> {82, "KLSX_SDUS63_SPDLSX_202112110114"},
+      std::pair<int16_t, std::string> {90, "KLSX_SDUS63_NHLLSX_202112110135"},
+      std::pair<int16_t, std::string> {94, "KLSX_SDUS23_N2QLSX_202112110250"},
+      std::pair<int16_t, std::string> {99, "KLSX_SDUS23_N1ULSX_202112110200"},
+      std::pair<int16_t, std::string> {134, "KLSX_SDUS53_DVLLSX_202112110152"},
+      std::pair<int16_t, std::string> {135, "KLSX_SDUS73_EETLSX_202112110215"},
+      std::pair<int16_t, std::string> {138, "KLSX_SDUS53_DSPLSX_202112110109"},
+      std::pair<int16_t, std::string> {141, "KLSX_SDUS33_NMDLSX_202112110152"},
+      std::pair<int16_t, std::string> {152, "KLSX_SDUS43_RSLLSX_202112110256"},
+      std::pair<int16_t, std::string> {159, "KLSX_SDUS83_N0XLSX_202112110212"},
+      std::pair<int16_t, std::string> {161, "KLSX_SDUS83_N0CLSX_202112110106"},
+      std::pair<int16_t, std::string> {163, "KLSX_SDUS83_N0KLSX_202112110229"},
+      std::pair<int16_t, std::string> {165, "KLSX_SDUS83_N0HLSX_202112110212"},
+      std::pair<int16_t, std::string> {166, "KLSX_SDUS83_N1MLSX_202112110200"},
+      std::pair<int16_t, std::string> {169, "KLSX_SDUS83_OHALSX_202112110109"},
+      std::pair<int16_t, std::string> {170, "KLSX_SDUS83_DAALSX_202112110135"},
+      std::pair<int16_t, std::string> {172, "KLSX_SDUS83_DTALSX_202112110209"},
+      std::pair<int16_t, std::string> {173, "KLSX_SDUS83_DU3LSX_202112110209"},
+      std::pair<int16_t, std::string> {174, "KLSX_SDUS83_DODLSX_202112110244"},
+      std::pair<int16_t, std::string> {175, "KLSX_SDUS83_DSDLSX_202112110135"},
+      std::pair<int16_t, std::string> {176, "KLSX_SDUS83_DPRLSX_202112110140"},
+      std::pair<int16_t, std::string> {177, "KLSX_SDUS83_HHCLSX_202112110140"},
+      std::pair<int16_t, std::string> {99,
+                                       "Level3_LSX_N1U_20211228_0446.nids"}));
+
+} // namespace wsr88d
+} // namespace scwx
diff --git a/test/test.cmake b/test/test.cmake
index efca5772..fa5d8783 100644
--- a/test/test.cmake
+++ b/test/test.cmake
@@ -13,7 +13,8 @@ set(SRC_QT_MANAGER_TESTS source/scwx/qt/manager/settings_manager.test.cpp)
 set(SRC_UTIL_TESTS source/scwx/util/rangebuf.test.cpp
                    source/scwx/util/streams.test.cpp
                    source/scwx/util/vectorbuf.test.cpp)
-set(SRC_WSR88D_TESTS source/scwx/wsr88d/ar2v_file.test.cpp)
+set(SRC_WSR88D_TESTS source/scwx/wsr88d/ar2v_file.test.cpp
+                     source/scwx/wsr88d/level3_file.test.cpp)
 
 add_executable(wxtest ${SRC_MAIN}
                       ${SRC_COMMON_TESTS}