PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/08/07-13:58:10
G01     43.9           20.0                5.1 +/-    2.43      11.2 +/-    2.43  0.030 / 0.050
G06     175.2          32.4                6.4 +/-    1.27      10.6 +/-    1.27  0.040 / 0.060
G11     43.5           9.9                 5.1 +/-    4.64      14.2 +/-    4.64  0.260 / 0.220
G13     242.1          26.8                5.0 +/-    2.45       9.5 +/-    2.45  0.160 / 0.170
G15     277.1          14.0                3.3 +/-    0.80       8.5 +/-    0.80  0.030 / 0.020
G17     327.0          76.4                4.8 +/-    0.47       4.9 +/-    0.47  0.030 / 0.020
G19     261.3          66.9                5.4 +/-    0.62       5.8 +/-    0.62  0.040 / 0.040
G24     318.2          13.1                2.2 +/-    4.94       5.7 +/-    4.94  0.040 / 0.040
G28     54.7           54.2                5.3 +/-    0.56       6.3 +/-    0.56  0.090 / 0.110
G30     152.6          34.0                5.4 +/-    0.76       8.7 +/-    0.76  0.070 / 0.110