diff --git a/Libraries/aprs/aprs.h b/Libraries/aprs/aprs.h
new file mode 100644
--- /dev/null
+++ b/Libraries/aprs/aprs.h
@@ -0,0 +1,10 @@
+#ifndef APRS_H_
+#define APRS_H_
+
+#include "stm32f0xx_hal.h"
+
+
+void aprs_send(void);
+int32_t meters_to_feet(int32_t m);
+
+#endif /* APRS_H_ */