UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13G

                    Under the Securities Exchange Act of 1934
                                (Amendment No. )*

                           American Tower Corporation
                                (Name of Issuer)

                      Class A Common Stock, $.01 par value
                         (Title of Class of Securities)

                                    029912201
                                 (CUSIP Number)

                                  June 4, 1998
             (Date of Event which Requires Filing of this Statement)

Check the  appropriate box to designate the rule pursuant to which this Schedule
is filed:


     [ ]  Rule 13d-1(b)

     [ ]  Rule 13d-(c)

     [X]  Rule 13d-1(d)




















- --------------------
* The remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for any  subsequent  amendment  containing  information  which  would  alter the
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).






CUSIP No. 029912201                   13G                     Page 2 of 6 Pages
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1          Name of Reporting Person/I.R.S. Identification Nos. of Above Persons
           (Entities Only)

           Steven B. Dodge
2          Check the Appropriate Box If a Member of a Group             (a) |_|
           (See Instructions)                                           (b) |_|

3          SEC Use Only


4          Citizenship or Place of Organization

           United States of America
                            5          Sole Voting Power
         Number of
          Shares                       6,556,345
       Beneficially         6          Shared Voting Power     
         Owned by                                              
           Each                        395,000                 
         Reporting          7          Sole Dispositive Power  
          Person                                               
           With                        6,556,345               
                            8          Shared Dispositive Power
                                                               
                                       395,000                 
9          Aggregate Amount Beneficially Owned by Each Reporting Person

           7,009,640
10         Check If the Aggregate Amount in Row (9) Excludes Certain Shares |X|
           (See Instructions)

11         Percent of Class Represented by Amount in Row (9)

           6.8%
12         Type of Reporting Person (See Instructions)

           IN
- ---------- ---------------







CUSIP No. 029912201                   13G                     Page 3 of 6 Pages
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Item 1(a).    Name of issuer:

              American Tower Corporation

Item 1(b).    Address of Issuer's Principal Executive Offices:

              116 Huntington Avenue, Boston, Massachusetts  02116

Item 2(a).    Name of Person Filing:

              Steven B. Dodge

Item 2(b).    Address of Principal Offices or, if None, Residence:

              Blueberry Hill, Manchester, Massachusetts  01944

Item 2(c).    Citizenship:

              United States of America

Item 2(d).    Title of Class of Securities:

              Class A Common Stock, $.01 par value

Item 2(e).    CUSIP Number:

              029912201

Item 3.       If the  Statement is being filed  pursuant to Rule  13d-1(b) or
              13d-2(b) or (c), check whether the filing person is a:


     (a) [ ] Broker or dealer registered under section 15 of the Act.

     (b) [ ] Bank as defined in section 3(a)(6) of the Act.

     (c) [ ] Insurance company as defined in section 3(a)(19) of the Act.

     (d) [ ] Investment  company  registered  under section 8 of the  Investment
             Company Act of 1940.

     (e) [ ] An investment  adviser in accordance with Rule  13d-1(b)(1)(ii)(E);

     (f) [ ] An employee  benefit plan or endowment fund in accordance with Rule
             13d-1(b)(1)(ii)(F);

     (g) [ ] A parent holding  company or control person in accordance with Rule
             13d-1(b)(1)(ii)(G);

     (h) [ ] A savings  association  as defined in Section  3(b) of the  Federal
             Deposit Insurance Act;

     (i) [ ] A church plan that is excluded from the definition of an investment
             company under Section 3(c)(14) of the Investment Company Act;

     (j) [ ] Group, in accordance with Rule 13d-1(b)(1)(ii)(J).

     If this statement is filed pursuant to Rule 13d-1(c), check this box. [ ]







CUSIP No. 029912201                   13G                     Page 4 of 6 Pages
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Item 4.       Ownership.

     The holdings  reported herein are stated as of December 31, 1998. Mr. Dodge
became the beneficial owner of more than 5% of the issuer's Class A Common Stock
as a result of the separation  (the "ATC  Separation") of American Tower Systems
Corporation (now known as American Tower Corporation, "ATC") from American Radio
Systems Corporation ("American Radio"), pursuant to the merger of American Radio
with and into a subsidiary of CBS  Corporation,  effective  June 4, 1998 and the
filing of a Form 8-A by ATC on June 4, 1998.

     (a) Amount beneficially owned:     7,009,460  shares  (including  6,902,660
                                        shares  issuable  upon  conversion, on a
                                        one-for-one  basis, of 6,902,660  shares
                                        of ATC's Class B Common Stock,  $.01 par
                                        value).

     (b) Percent of class:              6.8%

     (c) Number of shares as to which such person has:

     (i)      Sole power to vote or direct the vote:        6,556,345 shares

     (ii)     Shared power to vote or direct the vote:      395,000 shares

     (iii)    Sole power to dispose or to direct the 
              disposition of:                               6,556,345 shares

     (iv)     Shared power to dispose or to direct the 
              disposition of:                               395,000 shares

Item 5.       Ownership of Five Percent or Less of a Class.

     If this  statement  is being  filed to report  the fact that as of the date
hereof the reporting  person had ceased to be the beneficial  owner of more than
five percent of the class of securities, check the following [ ].

Item 6.       Ownership of More than Five Percent on Behalf of Another Person.

     The  shares  identified  in  Item 4  include  the  following  shares  owned
beneficially:

     10,030  shares  of Class A Common  Stock  and  3,567,761  shares of Class B
     Common Stock owned by Mr.  Dodge,  an aggregate of 25,050 shares of Class A
     Common  Stock  and  28,065  shares of Class B Common  Stock  owned by three
     trusts for the benefit of Mr.  Dodge's  children,  66,720 shares of Class A
     Common  Stock  and  2,000,000  shares  of Class B Common  Stock  owned by a
     limited  liability  company,  of which Mr. Dodge is the sole member,  5,000
     shares of Class A Common Stock owned by Mr. Dodge's wife and 395,000 shares
     of Class B Common Stock owned by a charitable  foundation  of which Mr. and
     Mrs.  Dodge are  trustees.  Mr.  Dodge's  wife and a third  party  serve as
     co-trustees for the three trusts. Mr. Dodge disclaims  beneficial ownership
     in all shares owned by such trusts, the charitable foundation and his wife.
     Does not include an  aggregate  of 329,423  shares of Class B Common  Stock
     purchasable  under ATC  options  received in exchange  for  American  Radio
     options upon  consummation of the ATC Separation;  includes an aggregate of
     571,834 shares of Class B Common Stock as to which such  exchanged  options
     are exercisable.  Does not include 1,360,000 shares of Class B Common Stock
     purchasable  under an option  granted on January 8, 1998 under the ATC 1997
     Stock Option Plan (the "Plan") and 1,300,000 shares of Class A Common Stock
     purchasable  under an option  granted  on June 22,  1998 under the Plan and
     300,000 shares of Class A Common Stock  purchasable under an option granted
     on December 1, 1998 under the Plan; includes 340,000 shares as to which the
     January  option is  exercisable.  Does not  include  170  shares of Class A
     Common  Stock held by Thomas S. Dodge,  an adult child of Mr.  Dodge,  with
     respect to which Mr. Dodge disclaims beneficial ownership.

Item 7.       Identification and Classification of the Subsidiary Which Acquired
              the Security Being Reported on by the Parent Holding Company.

     Not applicable.





CUSIP No. 029912201                   13G                     Page 5 of 6 Pages
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Item 8.       Identification and Classification of Members of the Group.

     Not applicable.

Item 9.       Notice of Dissolution of Group.

     Not applicable.

Item 10.      Certification.

     Not applicable.








CUSIP No. 029912201                   13G                     Page 6 of 6 Pages
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                                    SIGNATURE


     After  reasonable  inquiry and to the best of my  knowledge  and belief,  I
certify that the information  set forth in this statement is true,  complete and
correct.

                                                          February 16, 1999
                                                              (Date)


                                                          /s/ Steven B. Dodge
                                                              (Signature)


                                                          Steven B. Dodge
                                                              (Name/Title)



Attention.  Intentional  misstatements  or omissions of fact constitute  Federal
criminal violations (See 18 U.S.C. 1001)