PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-07:27:50
G01     303.6          36.4                4.3 +/-    1.03       6.7 +/-    1.03  0.060 / 0.090
G10     109.6          36.1                4.4 +/-    1.11       6.8 +/-    1.11  0.080 / 0.090
G11     277.4          27.6                5.6 +/-    0.80      10.4 +/-    0.80  0.080 / 0.170
G14     4.5            65.4                2.7 +/-    0.61       3.0 +/-    0.61  0.080 / 0.100
G18     269.5          50.7                5.3 +/-    1.32       6.7 +/-    1.32  0.050 / 0.070
G20     122.7          11.5                4.2 +/-    2.94      11.5 +/-    2.94  0.050 / 0.070
G22     311.6          30.2                3.3 +/-    1.67       5.8 +/-    1.67  0.040 / 0.070
G25     79.3           17.1                2.7 +/-    0.91       6.5 +/-    0.91  0.050 / 0.060
G31     160.2          69.0                4.9 +/-    0.68       5.3 +/-    0.68  0.110 / 0.230
G32     36.7           52.3                3.7 +/-    0.59       4.6 +/-    0.59  0.110 / 0.250