PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/10/05-12:28:10
G02     228.1          69.3                5.0 +/-    0.93       5.4 +/-    0.93  0.060 / 0.080
G06     43.3           63.8                4.0 +/-    0.53       4.4 +/-    0.53  0.060 / 0.090
G12     321.0          46.9                3.5 +/-    0.83       4.6 +/-    0.83  0.040 / 0.040
G17     64.4           27.1                3.4 +/-    1.47       6.3 +/-    1.47  0.030 / 0.040
G19     51.6           40.9                4.1 +/-    1.59       5.8 +/-    1.59  0.060 / 0.060
G24     254.3          37.8                6.7 +/-    1.44      10.1 +/-    1.44  0.040 / 0.050
G28     127.1          12.8                5.5 +/-    2.93      14.5 +/-    2.93  0.060 / 0.060