PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/13-23:58:00
G01     45.4           21.6                6.7 +/-    3.19      14.1 +/-    3.19  0.190 / 0.270
G06     179.6          26.8               11.0 +/-    0.81      20.7 +/-    0.81  0.220 / 0.340
G13     243.9          27.5                9.8 +/-    2.06      18.0 +/-    2.06  0.080 / 0.150
G15     277.6          14.6                6.9 +/-    1.15      17.3 +/-    1.15  0.080 / 0.140
G17     347.8          75.5                7.9 +/-    0.59       8.1 +/-    0.59  0.100 / 0.050
G19     256.4          64.1                9.1 +/-    0.91      10.0 +/-    0.91  0.110 / 0.070
G24     317.8          14.5                5.8 +/-    3.16      14.7 +/-    3.16  0.040 / 0.040
G28     56.3           53.0                7.8 +/-    0.88       9.5 +/-    0.88  0.030 / 0.040
G30     152.0          35.1                9.4 +/-    1.78      14.9 +/-    1.78  0.100 / 0.130