Exhibit 12.1 ALAMOSA (DELAWARE), INC. Computation of Ratio of Earnings to Fixed Charges (in thousands) Six Months 1998 1999 2000 Ended 6/30/01 ------------ ------------ ------------ --------------- Net income (Loss) $ (924) $ (32,836) $ (80,188) $ (89,571) Fixed Charges Interest Expense (included Amtz of Cap Int) -- 2,641 25,775 34,663 Interest Capitalized 657 -- 981 Amortization of Debt Issuance 331 1,398 1,163 Rental Expense 5 642 2,059 3,661 Capitalized Interest -- (657) -- (981) ------------ ------------ ------------ ------------ Earnings (Loss) before fixed charges (919) (29,222) (50,956) (50,084) ============ ============ ============ ============ Interest Expense -- 2,641 25,775 34,663 Capitalized Interest -- 657 -- 981 Amortization of Debt Issuance -- 331 1,398 1,163 Rental Expense 5 642 2,059 3,661 ------------ ------------ ------------ ------------ Fixed Charges 5 4,271 29,232 40,468 ============ ============ ============ ============ Deficiency of earnings to fixed charges (1) 924 33,493 80,188 90,552 ============ ============ ============ ============ (1) For purposes of computing the deficiency of earnings before fixed charges, fixed charges consist of interest expense, rental expense, and amortization of expense related to indebtedness. The deficiency of earnings before fixed charges is the amount required for the ratio of earnings to fixed charges to be one-to-one.