PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/06/08-07:27:50
G01     320.3          14.2              -19.8 +/-    9.78     -50.3 +/-    9.78  0.040 / 0.060
G08     263.1          15.2                5.8 +/-    2.10      14.3 +/-    2.10  0.030 / 0.050
G10     72.6           55.5                3.4 +/-    0.50       4.1 +/-    0.50  0.160 / 0.210
G11     307.3          20.4                2.9 +/-    1.23       6.3 +/-    1.23  0.160 / 0.340
G14     275.9          66.3                4.7 +/-    1.28       5.0 +/-    1.28  0.140 / 0.300
G18     308.7          36.4                4.8 +/-    1.35       7.5 +/-    1.35  0.160 / 0.230
G20     104.1          25.2                3.5 +/-    1.11       6.8 +/-    1.11  0.170 / 0.260
G27     226.9          11.5                5.4 +/-    2.05      14.5 +/-    2.05  0.110 / 0.290
G31     175.1          39.1                4.6 +/-    0.72       6.8 +/-    0.72  0.140 / 0.330
G32     3.0            69.5                4.3 +/-    0.40       4.5 +/-    0.40  0.100 / 0.240