PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/26-14:43:10
G01     45.2           21.4                7.0 +/-    3.29      15.0 +/-    3.29  0.050 / 0.050
G06     175.8          30.3               11.5 +/-    1.82      20.0 +/-    1.82  0.040 / 0.040
G11     43.7           11.2                7.2 +/-    3.07      19.6 +/-    3.07  0.400 / 0.460
G13     243.9          28.0               11.1 +/-    1.65      20.3 +/-    1.65  0.270 / 0.320
G15     278.6          14.5                7.9 +/-    2.61      20.0 +/-    2.61  0.030 / 0.030
G17     321.9          77.1                9.9 +/-    0.69      10.2 +/-    0.69  0.030 / 0.030
G19     256.9          65.5               10.7 +/-    0.78      11.6 +/-    0.78  0.050 / 0.050
G24     318.5          11.7               -6.4 +/-   28.39     -17.2 +/-   28.39  0.040 / 0.040
G28     52.1           54.8                9.0 +/-    0.83      10.8 +/-    0.83  0.060 / 0.160
G30     151.8          35.3               10.7 +/-    0.89      16.9 +/-    0.89  0.080 / 0.180