PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-06:27:50
G01     105.9          26.0                7.5 +/-    1.03      14.4 +/-    1.03  0.060 / 0.070
G07     109.6          55.9                5.6 +/-    0.67       6.6 +/-    0.67  0.040 / 0.070
G08     41.5           17.0                1.8 +/-    0.68       4.3 +/-    0.68  0.030 / 0.030
G11     85.1           42.4                6.0 +/-    0.63       8.3 +/-    0.63  0.020 / 0.020
G13     308.5          29.7                3.7 +/-    1.90       6.4 +/-    1.90  0.070 / 0.140
G17     205.2          41.5                5.9 +/-    1.13       8.3 +/-    1.13  0.080 / 0.170
G18     76.5           23.7                4.5 +/-    0.50       9.0 +/-    0.50  0.110 / 0.170
G19     209.7          11.3               -4.1 +/-    1.90     -11.1 +/-    1.90  0.060 / 0.170
G28     316.7          60.6                4.2 +/-    0.54       4.8 +/-    0.54  0.070 / 0.180
G30     19.5           78.4                5.5 +/-    0.55       5.6 +/-    0.55  0.080 / 0.150