The term heterodyne oscillator is identified in base64 scheme by the sequence aGV0ZXJvZHluZSBvc2NpbGxhdG9y, while the MD5 signature is equal to fb76f9ec332172041e0923e7dc06d66f. The ASCII encoding of heterodyne oscillator in hexadecimal notation is 68657465726f64796e65206f7363696c6c61746f72.