PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/31-18:28:00
G01     47.2           23.2                8.0 +/-    1.11      16.4 +/-    1.11  0.040 / 0.060
G06     177.5          26.7               11.5 +/-    1.98      21.6 +/-    1.98  0.030 / 0.070
G11     43.8           12.3                8.1 +/-    1.76      21.6 +/-    1.76  0.150 / 0.390
G13     246.4          29.3               11.1 +/-    1.87      19.7 +/-    1.87  0.190 / 0.390
G15     280.1          15.3                9.3 +/-    2.53      23.0 +/-    2.53  0.080 / 0.150
G17     324.3          77.9               11.9 +/-    0.54      12.1 +/-    0.54  0.080 / 0.160
G19     251.4          63.1               11.2 +/-    0.94      12.4 +/-    0.94  0.170 / 0.370
G24     318.6          10.6              -13.0 +/-   29.17     -35.9 +/-   29.17  0.150 / 0.420
G28     49.8           55.0                9.9 +/-    0.36      11.8 +/-    0.36  0.040 / 0.040
G30     150.1          35.3               12.3 +/-    1.21      19.5 +/-    1.21  0.050 / 0.050