PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/24-22:12:50
G01     72.3           32.8                9.7 +/-    1.44      16.1 +/-    1.44  0.120 / 0.110
G07     136.2          27.4               12.4 +/-    1.67      22.9 +/-    1.67  0.080 / 0.100
G11     53.6           30.9                9.1 +/-    1.73      15.7 +/-    1.73  0.070 / 0.110
G13     275.7          38.4               11.2 +/-    0.72      16.7 +/-    0.72  0.060 / 0.110
G15     303.3          15.2                8.0 +/-    1.31      19.7 +/-    1.31  0.030 / 0.040
G17     230.1          69.4               11.8 +/-    0.63      12.5 +/-    0.63  0.040 / 0.040
G18     48.0           17.2                7.8 +/-    1.37      18.5 +/-    1.37  0.130 / 0.100
G19     222.4          40.4               12.9 +/-    1.75      18.6 +/-    1.75  0.100 / 0.070
G28     8.9            60.8               10.6 +/-    1.52      11.9 +/-    1.52  0.030 / 0.030
G30     133.9          62.6               12.5 +/-    0.59      13.9 +/-    0.59  0.030 / 0.030