PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/25-08:27:50
G02     202.0          27.1                5.6 +/-    1.23      10.5 +/-    1.23  0.110 / 0.330
G06     167.6          61.5                8.8 +/-    1.07       9.8 +/-    1.07  0.200 / 0.430
G12     303.7          10.6               -6.0 +/-   13.26     -16.6 +/-   13.26  0.080 / 0.080
G17     32.5           51.9                4.0 +/-    0.66       5.0 +/-    0.66  0.070 / 0.080
G19     336.9          69.1                6.0 +/-    0.55       6.4 +/-    0.55  0.030 / 0.050
G24     300.8          38.0                5.1 +/-    0.66       7.6 +/-    0.66  0.030 / 0.060
G28     94.8           36.9                6.1 +/-    0.62       9.4 +/-    0.62  0.050 / 0.130