The term extremely low frequency is identified in base64 scheme by the sequence ZXh0cmVtZWx5IGxvdyBmcmVxdWVuY3k=, while the MD5 signature is equal to 3b3046c0a1470e25bca6056b4b046f05. The ASCII encoding of extremely low frequency in hexadecimal notation is 65787472656d656c79206c6f77206672657175656e6379.