PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-17:57:40
G01     45.0           21.2                8.8 +/-    2.66      18.8 +/-    2.66  0.030 / 0.060
G06     176.6          30.1               10.8 +/-    0.98      18.9 +/-    0.98  0.040 / 0.060
G11     43.4           9.9                 6.6 +/-    5.38      18.4 +/-    5.38  0.190 / 0.620
G13     243.4          27.5               12.2 +/-    1.75      22.5 +/-    1.75  0.170 / 0.740
G15     277.2          14.5                9.9 +/-    1.55      25.0 +/-    1.55  0.140 / 0.240
G17     335.8          76.5               10.2 +/-    0.66      10.5 +/-    0.66  0.150 / 0.280
G19     257.9          65.5               11.0 +/-    0.77      12.0 +/-    0.77  0.080 / 0.180
G24     318.2          13.0                5.3 +/-    4.41      13.8 +/-    4.41  0.090 / 0.210
G28     54.4           54.0               11.1 +/-    0.76      13.3 +/-    0.76  0.030 / 0.020
G30     151.3          32.1               10.5 +/-    0.85      17.6 +/-    0.85  0.020 / 0.030