National and State

National Association of Broadcasters (NAB)
Ohio Association of Broadcasters (OAB)
Pennsylvania Association of Broadcasters (PAB)
Ohio Amber Plan
Radio-Locator

National and Regional SBE

SBE Chapter 30 Pittsburgh
SBE Chapter 70 Northeast Ohio (Cleveland)
National SBE Chapter Map
SBE Hamnet Information

Local Broadcasters

iHeart Media Youngstown 
Cumulus Broadcasting Youngstown

Weather and Radar

NWS Forecast (Youngstown)
NWS Radar (Cleveland)
NWS Radar (Pittsburgh)

This and That

RabbitEars TV (TV Query Database)
The Broadcaster’s Desktop Resource (Barry Mishkind’s handy site)