PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/12-10:27:20
G02     201.5          26.8                6.3 +/-    1.62      11.9 +/-    1.62  0.340 / 0.830
G06     164.4          61.9                6.6 +/-    0.66       7.4 +/-    0.66  0.250 / 0.580
G12     303.3          11.7               -1.0 +/-   14.36      -2.8 +/-   14.36  0.200 / 0.250
G17     27.8           55.4                5.5 +/-    1.24       6.5 +/-    1.24  0.180 / 0.300
G19     349.5          68.6                4.6 +/-    0.43       4.9 +/-    0.43  0.070 / 0.130
G24     305.6          32.7                3.4 +/-    1.75       5.7 +/-    1.75  0.090 / 0.130
G28     90.2           42.2                6.1 +/-    1.80       8.6 +/-    1.80  0.040 / 0.020
G30     158.5          10.5                5.1 +/-    2.17      14.1 +/-    2.17  0.040 / 0.040