PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/02/28-00:43:10
G01     49.3           24.9                8.4 +/-    2.54      16.4 +/-    2.54  0.050 / 0.050
G06     181.0          21.2               10.7 +/-    1.19      22.9 +/-    1.19  0.050 / 0.030
G11     44.0           13.3                7.0 +/-    1.20      18.2 +/-    1.20  0.080 / 0.130
G13     249.0          30.5               10.7 +/-    2.69      18.5 +/-    2.69  0.120 / 0.160
G15     282.7          15.6                9.0 +/-    0.91      22.0 +/-    0.91  0.040 / 0.040
G17     329.1          78.5               10.9 +/-    0.87      11.1 +/-    0.87  0.030 / 0.050
G19     246.7          59.9               11.0 +/-    0.59      12.5 +/-    0.59  0.090 / 0.220
G24     318.5          10.6              -16.4 +/-   14.28     -45.3 +/-   14.28  0.130 / 0.280
G28     48.7           54.8               10.0 +/-    0.96      12.0 +/-    0.96  0.170 / 0.150
G30     150.1          40.7               11.9 +/-    1.61      17.1 +/-    1.61  0.070 / 0.130