PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-18:58:00
G02     201.3          26.3               11.7 +/-    2.23      22.2 +/-    2.23  0.090 / 0.130
G06     168.3          59.7               11.4 +/-    0.59      12.9 +/-    0.59  0.070 / 0.110
G17     26.9           56.1                9.3 +/-    0.67      11.0 +/-    0.67  0.040 / 0.110
G19     343.9          69.2                8.6 +/-    0.73       9.1 +/-    0.73  0.040 / 0.090
G24     305.2          33.7                7.4 +/-    1.54      12.1 +/-    1.54  0.070 / 0.160
G28     90.9           40.6               10.0 +/-    0.56      14.4 +/-    0.56  0.070 / 0.130