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,
	2000			2001			2002			2003			2004
Computation of Earnings:
Income (loss) from continuing operations before income taxes, minority interests and cumulative effect of change in accounting principle	$	(239,041	)	$	(374,250	)	$	(336,895	)	$	(466,340	)	$	(312,468	)
Add:
Fixed charges (as computed below)		237,189			300,772			314,475			300,634			250,037
	$	(1,852	)	$	(73,478	)	$	(22,420	)	$	(165,706	)	$	(62,431	)
Computation of Fixed Charges and Combined
Fixed Charges and Preferred Stock Dividends:
Interest expense	$	129,723		$	180,990		$	180,484		$	186,675		$	197,258
Amortization of deferred financing costs, discounts on long-term debt and dividends on preferred stock		79,608			89,776			93,411			72,159			9,512
Interest component of operating lease expense		27,858			30,006			40,580			41,800			43,267
Fixed charges		237,189			300,772			314,475			300,634			250,037
Preferred stock dividends		59,469			79,028			(16,023	)		55,897			38,618
Combined fixed charges and preferred stock dividends	$	296,658		$	379,800		$	298,452		$	356,531		$	288,655
Ratio of Earnings to Fixed Charges		—			—			—			—			—
Deficiency of Earnings to Cover Fixed Charges	$	239,041		$	374,250		$	336,895		$	466,340		$	312,468
Ratio of Earnings to Combined Fixed Charges and Preferred Stock Dividends		—			—			—			—			—
Deficiency of Earnings to Cover Combined Fixed Charges and Preferred Stock Dividends	$	298,510		$	453,278		$	320,872		$	522,237		$	351,086