diff --git a/sdcard/SAMPLES/TeslaChargePort_EU_AUS.C16 b/sdcard/SAMPLES/TeslaChargePort_EU_AUS.C16
index ec1b23a2..dcd282ed 100644
Binary files a/sdcard/SAMPLES/TeslaChargePort_EU_AUS.C16 and b/sdcard/SAMPLES/TeslaChargePort_EU_AUS.C16 differ
diff --git a/sdcard/SAMPLES/TeslaChargePort_EU_AUS.TXT b/sdcard/SAMPLES/TeslaChargePort_EU_AUS.TXT
index c8012cc4..11696f67 100644
--- a/sdcard/SAMPLES/TeslaChargePort_EU_AUS.TXT
+++ b/sdcard/SAMPLES/TeslaChargePort_EU_AUS.TXT
@@ -1,2 +1,2 @@
-sample_rate=600000
+sample_rate=500000
 center_frequency=433950000
diff --git a/sdcard/SAMPLES/TeslaChargePort_NA.C16 b/sdcard/SAMPLES/TeslaChargePort_NA.C16
new file mode 100644
index 00000000..dcd282ed
Binary files /dev/null and b/sdcard/SAMPLES/TeslaChargePort_NA.C16 differ
diff --git a/sdcard/SAMPLES/TeslaChargePort_NA.TXT b/sdcard/SAMPLES/TeslaChargePort_NA.TXT
new file mode 100644
index 00000000..f21943d1
--- /dev/null
+++ b/sdcard/SAMPLES/TeslaChargePort_NA.TXT
@@ -0,0 +1,2 @@
+sample_rate=500000
+center_frequency=315000000