EXHIBIT 11.1

                       CROWN CASTLE INTERNATIONAL CORP.

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


                                                          THREE MONTHS              SIX MONTHS
                                                         ENDED JUNE 30,           ENDED JUNE 30,
                                                      --------------------     ---------------------
                                                        1999        2000         1999        2000
                                                      --------    --------     --------    ---------
                                                                               
Loss before extraordinary item and cumulative
 effect of change in accounting principle.....        $(20,850)   $(59,230)    $(34,323)   $ (91,290)
Dividends on preferred stock..................          (6,614)    (11,725)     (13,022)     (23,218)
                                                      --------    --------     --------    ---------
Loss before extraordinary item and cumulative
 effect of change in accounting principle
 applicable to common stock for basic and
 diluted computations.........................         (27,464)    (70,955)    $(47,345)    (114,508)

Extraordinary item............................              --          --           --       (1,495)

Cumulative effect of change in accounting
 principle....................................              --          --       (2,414)          --
                                                      --------    --------     --------    ---------
Net loss applicable to common stock for basic
 and diluted computations.....................        $(27,464)   $(70,955)    $(49,759)   $(116,003)
                                                      ========    ========     ========    =========
Weighted-average number of common shares
 outstanding during the period for basic and
 diluted computations (in thousands)..........         124,849     165,625      109,791      162,095
                                                      ========    ========     ========    =========
Per common share--basic and diluted:
  Loss before extraordinary item and cumulative
   effect of change in accounting principle...        $  (0.22)   $  (0.43)    $  (0.43)   $   (0.71)

Extraordinary item............................              --          --           --        (0.01)

Cumulative effect of change in accounting
 principle....................................              --          --        (0.02)          --
                                                      --------    --------     --------    ---------
   Net loss...................................        $  (0.22)   $  (0.43)    $  (0.45)   $   (0.72)
                                                      ========    ========     ========    =========