teqc -leica lb2 u1_30sec.lb2 > u1_30sec.obs
teqc -leica lb2 +nav u1_30sec.nav u1_30sec.lb2 > u1_30sec.obs
teqc -leica lb2 -O.obs L1+l2+ca+p2+s1+s2 u1_30sec.lb2 > u1_30sec.w_snr.obs
teqc +qc -plot -report u1_30sec.obs > u1_30sec.qc