Hatzolah EMS ... see June 2022 NY State List of ambulance service ... several listings for Hatzolah and associated services ... they have around 100 ambulances listed ... 80 in NYC and 20 in Catskills ish ... 7/15/2022
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Hatzolah info - info from their various websites - November 14 2018
Boro Park - maybe 12 ambulances and maybe 5 garages
Crown Heights - 4 ambulances + 1 SUV
Flatbush - 8 ambulances
Lower East Side - 3 als ambs - ES3 etc
Mid Town Manhattan - ?
Mill Basin - ? - maybe aka Carnasie / Mill Basin
Queens - 10 ambulances
Riverdale - 2 ambulances
Staten Island - 2 ambulances per photo
Upper East Side - ?
Washington Heights - Y1 etc
West Side - ?
Williamsburg - maybe 5 ambulances
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zerg90 map with Hatzolah locations - https://drive.google.com/open?id=1todij_kxsD91T3o1s3h7RF26WWA&usp=sharing
August 2010 - www.radioreference.com has live scanner audio of the Hatzalah radio channel
http://youtu.be/oWqlsYRlPwI - new Queens Amb 1 - 2009
Hatzolah has 70 ambulances in NYC and 1000 staffers - per wikipedia - July 2010
http://youtu.be/6D0ajwAyPTo - 2010 - Amb B2 to a call