PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/13-06:28:00
G01     122.8          15.1                7.5 +/-    2.79      18.7 +/-    2.79  0.040 / 0.060
G07     70.3           67.5                4.4 +/-    0.48       4.7 +/-    0.48  0.040 / 0.060
G08     46.8           34.4                2.1 +/-    0.48       3.4 +/-    0.48  0.040 / 0.070
G09     177.4          30.5                6.7 +/-    2.05      11.6 +/-    2.05  0.040 / 0.080
G11     111.9          37.1                7.2 +/-    0.98      10.9 +/-    0.98  0.110 / 0.130
G13     320.2          14.4                1.0 +/-    1.79       2.5 +/-    1.79  0.040 / 0.110
G17     200.3          21.6                5.2 +/-    1.59      11.1 +/-    1.59  0.030 / 0.070
G28     285.9          55.9                4.8 +/-    0.97       5.7 +/-    0.97  0.030 / 0.030
G30     340.7          65.0                3.5 +/-    0.26       3.8 +/-    0.26  0.080 / 0.120