PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-22:12:50
G01     105.3          26.0               10.3 +/-    0.52      19.7 +/-    0.52  0.070 / 0.150
G07     111.6          52.5               10.5 +/-    0.63      12.8 +/-    0.63  0.090 / 0.160
G08     41.5           17.5                7.1 +/-    0.52      16.7 +/-    0.52  0.040 / 0.050
G09     174.9          13.1               12.5 +/-    2.22      32.6 +/-    2.22  0.040 / 0.060
G11     84.7           42.7               11.0 +/-    1.14      15.3 +/-    1.14  0.030 / 0.030
G13     308.1          30.2               10.7 +/-    2.92      18.6 +/-    2.92  0.030 / 0.030
G17     205.2          41.0               13.1 +/-    1.14      18.8 +/-    1.14  0.090 / 0.160
G18     75.4           23.5                8.3 +/-    0.57      16.8 +/-    0.57  0.070 / 0.160
G28     313.3          59.9               10.1 +/-    0.98      11.4 +/-    0.98  0.030 / 0.050
G30     31.6           78.9               11.7 +/-    0.66      11.9 +/-    0.66  0.030 / 0.050