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               14.4 +/-    2.22      37.5 +/-    2.22  0.030 / 0.030
G07     70.9           66.2               12.6 +/-    0.51      13.7 +/-    0.51  0.030 / 0.040
G08     47.9           35.9               10.5 +/-    1.15      16.4 +/-    1.15  0.150 / 0.080
G09     178.1          34.2               14.7 +/-    0.97      23.7 +/-    0.97  0.090 / 0.090
G11     113.6          37.2               14.1 +/-    0.76      21.6 +/-    0.76  0.060 / 0.090
G13     320.2          14.2               10.0 +/-    2.31      25.3 +/-    2.31  0.060 / 0.090
G17     199.2          18.8               14.8 +/-    1.99      33.5 +/-    1.99  0.160 / 0.340
G18     98.1           17.7               12.9 +/-    1.80      30.1 +/-    1.80  0.330 / 0.330
G28     275.6          51.4               12.9 +/-    3.27      16.0 +/-    3.27  0.080 / 0.070
G30     336.0          62.9               11.8 +/-    0.57      13.0 +/-    0.57  0.080 / 0.060