service_code	market	freq_block	round_num	bid_amt	bidder_num	fcc_acct	date	net_bid_amt	sort_col_1	sort_col_2	sub_market	random_num
CN	MTA050	31	18	630.00	20607	0501643234	09/29/2003	473.00	1	41	0	.99999999999999989