PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/02-11:27:50
G02     204.0          35.1                5.7 +/-    1.01       9.0 +/-    1.01  0.060 / 0.090
G06     153.2          71.0                5.0 +/-    0.31       5.2 +/-    0.31  0.070 / 0.090
G12     308.1          17.7                3.1 +/-    1.72       7.2 +/-    1.72  0.030 / 0.030
G17     35.7           49.3                3.3 +/-    0.23       4.2 +/-    0.23  0.040 / 0.030
G19     8.4            63.5                3.0 +/-    0.41       3.4 +/-    0.41  0.080 / 0.170
G24     297.3          37.6                5.1 +/-    0.76       7.8 +/-    0.76  0.090 / 0.150
G28     99.9           36.7                5.0 +/-    0.46       7.7 +/-    0.46  0.040 / 0.030