PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/19-04:58:10
G01     125.3          12.9                6.5 +/-    2.80      16.9 +/-    2.80  0.030 / 0.030
G07     63.9           68.2                5.0 +/-    0.54       5.3 +/-    0.54  0.030 / 0.040
G08     47.7           35.4                3.4 +/-    0.95       5.3 +/-    0.95  0.030 / 0.030
G09     175.4          30.8                7.8 +/-    1.24      13.4 +/-    1.24  0.030 / 0.040
G11     113.8          36.9                7.5 +/-    1.09      11.5 +/-    1.09  0.090 / 0.300
G13     320.4          13.8                1.6 +/-    1.96       4.1 +/-    1.96  0.080 / 0.270
G17     199.1          19.3                6.8 +/-    2.54      15.2 +/-    2.54  0.100 / 0.250
G28     277.5          52.7                6.4 +/-    1.21       7.8 +/-    1.21  0.100 / 0.240
G30     333.1          61.1                4.0 +/-    1.14       4.5 +/-    1.14  0.060 / 0.060