Raven Radio's PRSS satellite is transported to its current location, under the O'Connell Bridge.

Raven Radio’s PRSS satellite is transported to its current location, under the O’Connell Bridge.

Sometimes radio can seem like magic: you turn the dial (or press a button) and the sound streams in. But all that sound comes to us from somewhere, whether it’s “Fresh Air” broadcasting from Philadelphia, or “This American Life,” transmitting from Chicago, or “All Things Considered” from Washington, D.C. And it gets here via the Public Radio Satellite System — which includes this satellite dish, now nestled under the O’Connell Bridge.

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