Field				SNR
		q=1	2	3	4
G17		12.6	9.1	6.9	4.5	
G202		63.8	39.7	28.8	22.1
G208 NH		31.1	14.6	8.5	4.4
G208 NH,crop	122.6	67.2	51.1	28.4
G208 NF		100.9	54.1	39.4	21.0