PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/27-04:28:00
G01     124.6          13.4                5.4 +/-    1.63      13.8 +/-    1.63  0.030 / 0.040
G07     66.5           67.9                5.3 +/-    0.46       5.7 +/-    0.46  0.040 / 0.040
G08     47.2           34.7                4.3 +/-    0.47       6.9 +/-    0.47  0.130 / 0.450
G09     175.6          30.4                5.1 +/-    0.59       8.9 +/-    0.59  0.140 / 0.430
G11     112.8          37.3                7.4 +/-    0.93      11.2 +/-    0.93  0.040 / 0.060
G13     320.1          14.5                0.4 +/-    2.35       1.0 +/-    2.35  0.040 / 0.070
G17     199.2          20.1                6.6 +/-    0.80      14.5 +/-    0.80  0.030 / 0.040
G28     278.5          53.1                6.3 +/-    1.04       7.7 +/-    1.04  0.030 / 0.030
G30     334.1          61.8                4.4 +/-    0.69       4.9 +/-    0.69  0.080 / 0.160