Copperline began in a converted dentist's office with a second-hand transmitter and a sign-up sheet at the farmers market. Today the station occupies a 4,000-square-foot studio and trains two dozen new volunteers every year.

A three-watt signal from a rented dentist's office on 4th Avenue, with eleven volunteers and one microphone.
The Federal Communications Commission granted us a full community licence, and the transmitter moved to Mount Lemmon.
Our own news programme started with two reporters, a borrowed laptop and a weekly budget of eighty dollars.
La Hora Nueva went daily and now reaches more than 9,000 Spanish-speaking households.
A new live room opened for Saturday Sessions with room for a thirty-person audience.
Station manager Marisol Vega leads a core team of paid staff and a rotating crew of volunteer hosts.