2 Transistor AM Radio

Not sure if this is the correct place to ask, but here goes... I've
found plans for a simple two transistor AM radio receiver, but I'm not
sure how the ferrite loop antenna is connected to the radio. I'm not
at all good with schematics, I can understand most of it except for
the ferrite antenna bit. I would appreciate any help on this.


http://www.techlib.com/electronics/crystal.html#Simple2transistor
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