PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/25-03:28:00
G08     312.9          16.9                6.4 +/-    1.75      15.3 +/-    1.75  0.050 / 0.070
G10     330.9          60.0                5.3 +/-    0.34       6.1 +/-    0.34  0.060 / 0.070
G14     216.6          28.7               10.1 +/-    1.41      18.1 +/-    1.41  0.040 / 0.030
G15     46.6           11.2                3.5 +/-    1.81       9.6 +/-    1.81  0.030 / 0.030
G20     33.5           61.2                5.2 +/-    0.41       5.9 +/-    0.41  0.040 / 0.050
G21     132.2          59.3                7.6 +/-    0.42       8.7 +/-    0.42  0.040 / 0.050
G24     76.5           30.1                7.0 +/-    0.76      12.2 +/-    0.76  0.170 / 0.200
G27     278.6          37.7                8.1 +/-    1.68      12.2 +/-    1.68  0.220 / 0.210
G32     221.1          48.2                8.0 +/-    1.89      10.3 +/-    1.89  0.130 / 0.230