PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/15-02:43:10
G02     245.8          77.4                5.9 +/-    0.50       6.1 +/-    0.50  0.110 / 0.090
G05     170.9          17.1                5.4 +/-    1.84      12.6 +/-    1.84  0.130 / 0.100
G06     39.3           63.1                5.3 +/-    0.44       5.9 +/-    0.44  0.170 / 0.330
G12     320.8          49.8                4.8 +/-    1.17       6.1 +/-    1.17  0.210 / 0.330
G17     72.0           20.4                5.2 +/-    1.06      11.3 +/-    1.06  0.050 / 0.080
G19     57.1           38.4                4.9 +/-    1.35       7.3 +/-    1.35  0.040 / 0.050
G24     242.1          34.1                8.9 +/-    2.51      14.4 +/-    2.51  0.040 / 0.040
G25     316.5          14.6                3.8 +/-    1.92       9.4 +/-    1.92  0.030 / 0.040