PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/28-13:42:50
G01     126.8          10.8               -6.9 +/-   39.99     -18.9 +/-   39.99  0.040 / 0.040
G07     61.7           67.4                7.2 +/-    0.81       7.7 +/-    0.81  0.030 / 0.040
G08     52.3           42.0                6.6 +/-    0.44       9.3 +/-    0.44  0.060 / 0.090
G09     178.9          38.3               11.3 +/-    1.05      16.9 +/-    1.05  0.060 / 0.100
G11     118.9          35.6                8.7 +/-    0.78      13.7 +/-    0.78  0.050 / 0.120
G13     320.9          11.9                4.3 +/-   10.89      11.6 +/-   10.89  0.060 / 0.100
G17     200.0          12.0                7.8 +/-    4.07      20.9 +/-    4.07  0.160 / 0.360
G18     103.3          16.2                8.7 +/-    0.76      21.1 +/-    0.76  0.140 / 0.320
G28     268.9          47.8                8.7 +/-    1.01      11.3 +/-    1.01  0.100 / 0.290
G30     334.8          61.8                7.5 +/-    0.67       8.4 +/-    0.67  0.110 / 0.290