What am I hearing ?

Sometimes you might have to listen to a station for half an hour or more before they identify themselves, Regulations require all broadcasters to announce their call signs at the top of the hour but what if the station is very weak and fades in and out ? Sometimes it takes an extraordinary effort like: 

Using a web database like this : https://radio-locator.com/

Thousands of Stations

There are literally thousands of stations categorised by frequency, state, callsign, etc. and most importantly "live streams". There is a "time delay" but still this is a very valuable tool. Most of the time it's possible to recognize the announcer or the music etc,