EXHIBIT 11.1

                        CROWN CASTLE INTERNATIONAL CORP.

                    COMPUTATION OF NET LOSS PER COMMON SHARE
              (IN THOUSANDS OF DOLLARS, EXCEPT PER SHARE AMOUNTS)




                                                            Three Months Ended            Nine Months Ended
                                                               September 30,                September 30,
                                                          -----------------------   ---------------------------
                                                             1998         1999         1998           1999
                                                          ----------   ----------   ----------   --------------
                                                                                     
                                                            (In thousands of dollars, except per share amounts)
Loss before cumulative effect of change in                 $(17,444)    $(27,067)    $(30,476)       $(61,390)
 accounting principle
Dividends on preferred stock                                   (216)      (6,824)      (4,348)        (19,846)
                                                           --------     --------     --------        --------
Loss before cumulative effect of change in                  (17,660)     (33,891)     (34,824)        (81,236)
 accounting principle applicable to common stock
 for basic and diluted computations
Cumulative effect of change in accounting principle              --           --           --          (2,414)
                                                           --------     --------     --------        --------
Net loss applicable to common stock for basic and          $(17,660)    $(33,891)    $(34,824)       $(83,650)
 diluted computations                                      ========     ========     ========        ========

Weighted-average number of common shares                     53,879      149,621       25,262         123,067
 outstanding during the period for basic and diluted       ========     ========     ========        ========
 computations (in thousands)

Per common share - basic and diluted:
   Loss before cumulative effect of change in              $  (0.33)    $  (0.23)    $  (1.38)       $  (0.66)
    accounting principle
   Cumulative effect of change in accounting                     --           --           --           (0.02)
    principle                                              --------     --------     --------        --------
   Net loss                                                $  (0.33)    $  (0.23)    $  (1.38)       $  (0.68)
                                                           ========     ========     ========        ========