ɪnðə mˈɪd nˈaɪntiːnhˈʌndɹɪd sˈɛvənti z, ðə stˈeɪʃən bɪkˌeɪm nˈoʊn æz "sˈɑːnəmˌɪl" ɐ nˈeɪm dᵻɹˈaɪvd bˈoʊθ fɹʌm ɪts pəzˈɪʃən æt wˈʌnhˈʌndɹɪd.nˈaɪn ˌɛfˈɛm ænd fɹʌm zɪˈɔɪæm wˈʌn θˈaʊzənd.
In the mid-1970s, the station became known as "Sonomil" (a name derived both from its position at 100.9 FM and from XEOY-AM 1000).