Been doing the scanner/buff thing for like 35 years... it's just something you pick up along the way
Currently my first alarm at my home box: E167,168,164,162 L87,84 BC23
For 30 years it was: E315,305,298,299 L125,151 BC50
After that is was: E284,242,241,247 L149,L109 BC40
Yes a Queens guy...