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               10.4 +/-    1.67      19.9 +/-    1.67  0.030 / 0.050
G07     111.6          52.5               10.6 +/-    0.69      12.9 +/-    0.69  0.030 / 0.040
G08     41.5           17.5                7.9 +/-    1.60      18.4 +/-    1.60  0.220 / 0.230
G09     174.9          13.1               11.2 +/-    1.42      29.2 +/-    1.42  0.250 / 0.280
G11     84.7           42.7               10.8 +/-    0.76      15.1 +/-    0.76  0.080 / 0.150
G13     308.1          30.2               11.1 +/-    0.96      19.3 +/-    0.96  0.100 / 0.150
G17     205.2          41.0               12.0 +/-    1.23      17.1 +/-    1.23  0.040 / 0.060
G18     75.4           23.5                9.4 +/-    1.15      19.1 +/-    1.15  0.040 / 0.050
G28     313.3          59.9                9.1 +/-    0.52      10.3 +/-    0.52  0.070 / 0.140
G30     31.6           78.9               10.8 +/-    0.94      10.9 +/-    0.94  0.110 / 0.170