Exhibit 4.1 SECOND SUPPLEMENTAL INDENTURE SECOND SUPPLEMENTAL INDENTURE (this "Second Supplemental Indenture"), dated as of June 6, 2000, between SpectraSite Holdings, Inc., a Delaware corporation (the "Issuer"), and United States Trust Company of New...Second Supplemental Indenture • June 21st, 2000 • Spectrasite Holdings Inc • Communications services, nec • New York
