PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/08-13:27:50
G02     2.5            73.4                5.1 +/-    1.03       5.3 +/-    1.03  0.040 / 0.100
G05     164.1          38.4                7.1 +/-    1.28      10.7 +/-    1.28  0.050 / 0.080
G06     43.5           32.7                3.5 +/-    1.15       5.7 +/-    1.15  0.070 / 0.110
G12     289.5          79.1                4.8 +/-    0.67       4.9 +/-    0.67  0.060 / 0.130
G19     81.8           21.0                5.7 +/-    1.05      12.3 +/-    1.05  0.190 / 0.340
G24     224.6          18.1                4.9 +/-    3.12      11.2 +/-    3.12  0.170 / 0.370
G25     315.4          34.4                4.0 +/-    1.64       6.4 +/-    1.64  0.090 / 0.330
G29     290.4          12.3                6.6 +/-    2.79      17.4 +/-    2.79  0.190 / 0.300