PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/30-23:27:30
G02     9.5            71.4               10.4 +/-    0.69      10.9 +/-    0.69  0.030 / 0.030
G05     158.3          43.6               15.4 +/-    0.95      21.2 +/-    0.95  0.030 / 0.030
G06     44.8           30.9                8.5 +/-    0.71      14.5 +/-    0.71  0.110 / 0.180
G12     277.3          79.7                9.1 +/-    0.58       9.2 +/-    0.58  0.150 / 0.230
G19     82.7           23.2               11.7 +/-    0.55      23.8 +/-    0.55  0.030 / 0.060
G24     221.1          16.1               12.8 +/-    2.84      31.0 +/-    2.84  0.030 / 0.080
G25     314.8          36.9               11.0 +/-    2.03      16.8 +/-    2.03  0.040 / 0.040
G29     292.6          13.6               14.0 +/-    1.72      36.0 +/-    1.72  0.040 / 0.030