Table 2: Parameters of the two observing runs in November 1999 and June 2001.

	CO(1-0)	CO(2-1)	HCN(1-0)
Sky frequency [GHz]	114.88927	229.77414	88.337936
Beam size [arcsec]	21.0	10.5	27.5
Forward efficiency	0.9	0.84	0.9
Beam efficieny	0.73	0.52	0.77