bid_type	market	freq_block	round_num	bid_amt	bidder_num	date	time
S	M016	A	156	460000	1168	4/11/96	14:03:01
S	M016	K	156	420000	1168	4/11/96	14:03:01
S	M026	N	156	92046	1092	4/11/96	14:02:59
S	M039	H	156	145130	1092	4/11/96	14:02:59