The term microwave spectroscopy is identified in base64 scheme by the sequence bWljcm93YXZlIHNwZWN0cm9zY29weQ==, while the MD5 signature is equal to c381368036ee5236a1850fd8b074414a. The ASCII encoding of microwave spectroscopy in hexadecimal notation is 6d6963726f77617665207370656374726f73636f7079.