PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/05-22:12:40
G07     337.2          59.7                9.2 +/-    0.54      10.5 +/-    0.54  0.200 / 0.390
G08     97.1           50.9               11.6 +/-    0.60      14.5 +/-    0.60  0.300 / 0.400
G09     191.9          74.8               11.3 +/-    1.21      11.6 +/-    1.21  0.060 / 0.070
G11     144.9          13.4               12.1 +/-    2.67      31.2 +/-    2.67  0.070 / 0.070
G16     46.2           10.9                5.4 +/-    3.10      14.9 +/-    3.10  0.040 / 0.050
G23     155.9          44.9               11.0 +/-    0.56      14.9 +/-    0.56  0.040 / 0.040
G27     58.6           34.2                8.9 +/-    2.04      14.4 +/-    2.04  0.190 / 0.270
G28     235.4          25.7               11.3 +/-    1.76      21.7 +/-    1.76  0.140 / 0.250
G30     300.7          33.9                7.8 +/-    1.56      12.6 +/-    1.56  0.030 / 0.020