EXHIBIT 12

CROWN CASTLE INTERNATIONAL CORP.

COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES AND

EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS

(DOLLARS IN THOUSANDS)

	YEARS ENDED DECEMBER 31,
	1999			2000			2001			2002			2003
Computation of Earnings:
Income (loss) before income taxes, minority interests and cumulative effect of changes in accounting principles	$	(91,316	)	$	(203,819	)	$	(350,995	)	$	(262,743	)	$	(386,418	)
Add:
Fixed charges (as computed below)		126,675			271,994			329,482			350,593			344,213
	$	35,359		$	68,175		$	(21,513	)	$	87,850		$	(42,205	)
Computation of Fixed Charges and Combined
Fixed Charges and Preferred Stock Dividends:
Interest expense	$	60,971		$	160,291		$	205,691		$	208,003		$	216,207
Amortization of deferred financing costs, discounts on long-term debt and dividends on preferred stock		49,937			81,003			91,753			94,567			73,440
Interest component of operating lease expense		15,767			30,700			32,038			48,023			54,566
Fixed charges		126,675			271,994			329,482			350,593			344,213
Preferred stock dividends		28,881			59,469			79,028			(19,638	)		53,945
Combined fixed charges and preferred stock dividends	$	155,556		$	331,463		$	408,510		$	330,955		$	398,158
Ratio of Earnings to Fixed Charges		—			—			—			—			—
Deficiency of Earnings to Cover Fixed Charges	$	91,316		$	203,819		$	350,995		$	262,743		$	386,418
Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends		—			—			—			—			—
Deficiency of Earnings to Cover Combined Fixed Charges and Preferred Stock Dividends	$	120,197		$	263,288		$	430,023		$	243,105		$	440,363