PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-18:42:50
G02     200.2          19.6               11.9 +/-    2.37      26.5 +/-    2.37  0.080 / 0.140
G06     171.6          52.1               11.7 +/-    0.94      14.4 +/-    0.94  0.080 / 0.140
G13     226.7          13.9               11.9 +/-    2.43      30.3 +/-    2.43  0.060 / 0.080
G17     19.2           61.4                8.9 +/-    0.42      10.0 +/-    0.42  0.050 / 0.070
G19     322.5          71.5                8.7 +/-    0.56       9.1 +/-    0.56  0.100 / 0.300
G24     310.2          29.1                8.4 +/-    1.47      15.0 +/-    1.47  0.120 / 0.260
G28     82.9           44.5               11.2 +/-    0.40      15.2 +/-    0.40  0.040 / 0.040
G30     156.0          12.5               11.4 +/-    1.55      30.0 +/-    1.55  0.030 / 0.050