The term observation station is identified in base64 scheme by the sequence b2JzZXJ2YXRpb24gc3RhdGlvbg==, while the MD5 signature is equal to c181c5d49549dfa09a294fba8b330234. The ASCII encoding of observation station in hexadecimal notation is 6f62736572766174696f6e2073746174696f6e.