market freq_block round_num bid_amt bidder_num fcc_acct date time net_bid_amt sort_col_1 sort_col_2 VPC001 18 521000.00 3814 0201721241 12/08/1998 16:30:17 338650.00 1 1 VPC002 18 374000.00 3814 0201721241 12/08/1998 16:30:17 243100.00 2 1 VPC004 18 718000.00 3805 0201052541 12/08/1998 16:30:21 718000.00 2 3 VPC004 18 619000.00 3814 0201721241 12/08/1998 16:30:17 402350.00 2 3 VPC005 18 383000.00 3814 0201721241 12/08/1998 16:30:17 248950.00 1 2