Exhibit 23.3
Consent of Independent Accountants
The Board of Directors
UNIsite, Inc. and Subsidiaries:
We consent to the incorporation by reference in the registration statement
on Form S-3 of American Tower Corporation of our report dated January 14, 2000,
with respect to the consolidated balance sheets of UNIsite, Inc. and
Subsidiaries as of December 31, 1999 and 1998, and the related consolidated
statements of operations, redeemable convertible preferred stock and
stockholders' deficit, and cash flows for each of the years in the three-year
period ended December 31, 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.
Tampa, Florida
August 1, 2000
/s/ KPMG LLP
