PHILADELPHIA PD JET 52? CallSign?

[fourthhorseman]

hearing this on JBand,,

caught this callsign a couple other times but today it is crystal clear
and being repeated several times..

not in the guide either...Hmmmm.....any ideas...

 

[trap5858]

Could it have been JAD 52
Juvenile Aid Division?

 

[fourthhorseman]

Possibly,,,sounded like jet,but jad said fast could be mistakable..