PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2017/11/16-05:58:00
G01     129.1          10.0              -10.0 +/-   34.95     -27.9 +/-   34.95  0.090 / 0.120
G07     46.9           69.2                5.9 +/-    0.81       6.3 +/-    0.81  0.070 / 0.090
G08     52.2           40.8                3.0 +/-    1.14       4.4 +/-    1.14  0.030 / 0.030
G09     178.4          39.0                9.6 +/-    0.95      14.1 +/-    0.95  0.030 / 0.020
G11     120.7          32.9                8.1 +/-    1.42      13.4 +/-    1.42  0.050 / 0.050
G17     199.2          13.8                4.1 +/-    3.06      10.5 +/-    3.06  0.040 / 0.040
G23     161.1          11.3                6.4 +/-    1.12      17.3 +/-    1.12  0.170 / 0.210
G28     273.0          51.9                7.0 +/-    2.50       8.6 +/-    2.50  0.220 / 0.290
G30     330.8          58.6                4.9 +/-    0.69       5.6 +/-    0.69  0.070 / 0.050