PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/02-21:57:40
G01     123.2          14.2               11.3 +/-    1.19      28.8 +/-    1.19  0.050 / 0.070
G07     75.5           65.5               10.1 +/-    0.23      11.0 +/-    0.23  0.050 / 0.080
G08     46.8           34.2                7.6 +/-    0.48      12.3 +/-    0.48  0.110 / 0.460
G09     177.8          32.0               12.1 +/-    1.54      20.4 +/-    1.54  0.130 / 0.410
G11     111.2          38.2               10.6 +/-    0.57      15.9 +/-    0.57  0.060 / 0.040
G13     319.6          15.8                6.3 +/-    1.09      15.4 +/-    1.09  0.040 / 0.030
G17     199.5          20.9               14.0 +/-    0.90      30.2 +/-    0.90  0.180 / 0.360
G18     96.0           18.5               10.8 +/-    1.30      24.6 +/-    1.30  0.190 / 0.320
G28     278.8          52.5               11.7 +/-    0.88      14.3 +/-    0.88  0.030 / 0.040
G30     338.4          64.4                9.0 +/-    0.51       9.9 +/-    0.51  0.030 / 0.040