KSGF
... that entrepreneur Ralph D. Foster and his partner started Missouri radio station KGBX (now KSGF) in 1926 to advertise their Firestone Tires dealership?
... that entrepreneur <a href="./Ralph_D._Foster" id="mwBOE" rel="mw:WikiLink" title="Ralph D. Foster">Ralph D. Foster</a> and his partner started Missouri <a class="mw-redirect" href="./Radio_station" id="mwBOI" rel="mw:WikiLink" title="Radio station">radio station</a> KGBX (now <b id="mwBOM"><a href="./KSGF_(AM)" id="mwBOQ" rel="mw:WikiLink" title="KSGF (AM)">KSGF</a></b>) in 1926 to advertise their <a class="mw-redirect" href="./Firestone_Tires" id="mwBOU" rel="mw:WikiLink" title="Firestone Tires">Firestone Tires</a> dealership?