stealth

Greetings. I am looking for advice/help with some antenna ideas and hoping some of you veterans might help. Since I was about 13 I have been interested in this hobby and now 30 years later I am finally licensed. I hope to take the general in the next month or two to expand my capabilities...

Is there a unique name / identifier for this kind of factory installed antenna mount, normally used for typical AM/FM radio? Are there drop-in replacements for this kind of antenna mount that will provide an antenna more suitable to the frequency range for a radio scanner (e.g. Uniden BCT-15)...