PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/08-21:28:10
G01     124.8          13.0               14.9 +/-    1.68      39.0 +/-    1.68  0.070 / 0.070
G07     70.9           66.2               12.9 +/-    0.29      14.0 +/-    0.29  0.060 / 0.090
G08     47.9           35.9                9.5 +/-    0.69      14.8 +/-    0.69  0.090 / 0.350
G09     178.1          34.2               16.0 +/-    1.23      25.8 +/-    1.23  0.110 / 0.440
G11     113.6          37.2               14.2 +/-    1.53      21.7 +/-    1.53  0.040 / 0.040
G13     320.2          14.2                9.5 +/-    2.47      24.0 +/-    2.47  0.030 / 0.040
G17     199.2          18.8               16.3 +/-    1.55      36.9 +/-    1.55  0.110 / 0.360
G18     98.1           17.7               12.9 +/-    2.72      30.1 +/-    2.72  0.140 / 0.300
G28     275.6          51.4               12.6 +/-    1.51      15.6 +/-    1.51  0.030 / 0.030
G30     336.0          62.9               11.7 +/-    0.58      13.0 +/-    0.58  0.030 / 0.040