Exhibit 23.3
CONSENT OF INDEPENDENT ACCOUNTANTS
The Board of Directors
ICG Satellite Services, Inc.
We consent to the incorporation by reference in Amendment No. 1 to
registration statement No. 333-39030 on Form S-4 of American Tower Corporation
of our report dated February 28, 2000, with respect to the consolidated balance
sheet of ICG Satellite Services, Inc. and subsidiary as of November 30, 1999,
and the related consolidated statements of operations and accumulated deficit
and cash flows for the eleven month period ended November 30, 1999, which report
appears in the Form 8-K of American Tower Corporation dated March 30, 2000, and
to the reference to our firm under the heading "Experts" in the prospectus.
/s/ KPMG LLP
Denver, Colorado
August 1, 2000