PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/04-16:12:50
G01     106.6          25.0               10.5 +/-    1.30      20.5 +/-    1.30  0.020 / 0.050
G07     109.6          53.2               11.7 +/-    0.96      14.2 +/-    0.96  0.030 / 0.040
G08     42.0           21.4                8.9 +/-    0.85      18.9 +/-    0.85  0.080 / 0.110
G09     175.6          15.3               12.8 +/-    0.92      31.6 +/-    0.92  0.080 / 0.130
G11     88.2           43.3               11.0 +/-    0.53      15.2 +/-    0.53  0.040 / 0.070
G13     309.3          29.4               10.0 +/-    1.99      17.7 +/-    1.99  0.040 / 0.040
G17     205.2          36.4               12.7 +/-    1.38      19.6 +/-    1.38  0.040 / 0.080
G18     79.1           23.9                9.3 +/-    0.81      18.7 +/-    0.81  0.040 / 0.090
G28     307.1          58.7               10.7 +/-    0.54      12.3 +/-    0.54  0.070 / 0.170
G30     40.6           78.3               11.4 +/-    0.62      11.6 +/-    0.62  0.070 / 0.160