#define PICO 1000000000000ULL
#define FEMTO 1000000000000000ULL
-#define MILLIWATT_PER_WATT 1000L
-#define MICROWATT_PER_MILLIWATT 1000L
-#define MICROWATT_PER_WATT 1000000L
+#define HZ_PER_KHZ 1000UL
+#define KHZ_PER_MHZ 1000UL
+#define HZ_PER_MHZ 1000000UL
+
+#define MILLIWATT_PER_WATT 1000UL
+#define MICROWATT_PER_MILLIWATT 1000UL
+#define MICROWATT_PER_WATT 1000000UL
#define ABSOLUTE_ZERO_MILLICELSIUS -273150