PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-00:27:40
G01     43.8           20.0                8.4 +/-    2.96      18.4 +/-    2.96  0.170 / 0.260
G06     179.5          29.1               10.9 +/-    1.90      19.5 +/-    1.90  0.290 / 0.320
G13     241.6          25.9                8.9 +/-    1.76      17.1 +/-    1.76  0.100 / 0.260
G15     275.4          13.9                7.2 +/-    1.49      18.3 +/-    1.49  0.100 / 0.180
G17     355.2          73.6               10.3 +/-    0.49      10.7 +/-    0.49  0.030 / 0.050
G19     261.6          65.7               10.8 +/-    0.75      11.8 +/-    0.75  0.040 / 0.050
G24     317.3          16.7                6.8 +/-    1.27      16.2 +/-    1.27  0.040 / 0.040
G28     60.1           51.9                9.6 +/-    0.75      11.8 +/-    0.75  0.040 / 0.040
G30     152.9          32.8               11.0 +/-    0.88      18.3 +/-    0.88  0.070 / 0.120