PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/09/30-14:27:20
G02     21.0           63.8                5.8 +/-    1.12       6.4 +/-    1.12  0.030 / 0.050
G05     156.2          51.2                8.9 +/-    0.95      11.0 +/-    0.95  0.030 / 0.040
G06     48.5           22.4                6.0 +/-    0.61      12.5 +/-    0.61  0.370 / 0.430
G12     216.7          77.6                5.1 +/-    0.47       5.2 +/-    0.47  0.300 / 0.400
G19     92.2           13.7                6.8 +/-    1.36      17.3 +/-    1.36  0.060 / 0.080
G24     216.1          9.9                -0.8 +/-   32.10      -2.3 +/-   32.10  0.070 / 0.090
G25     308.7          45.1                5.2 +/-    1.34       7.0 +/-    1.34  0.070 / 0.140
G29     299.5          20.2                6.4 +/-    2.01      14.0 +/-    2.01  0.060 / 0.150