The term heterodyne receiver is identified in base64 scheme by the sequence aGV0ZXJvZHluZSByZWNlaXZlcg==, while the MD5 signature is equal to 383a1684da88240c84d9eab0814ded5e. The ASCII encoding of heterodyne receiver in hexadecimal notation is 68657465726f64796e65207265636569766572.