PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/23-09:42:50
G03     228.6          67.2                2.9 +/-    1.74       3.1 +/-    1.74  0.110 / 0.490
G07     249.9          12.4                3.9 +/-    1.76      10.2 +/-    1.76  0.120 / 0.460
G09     303.9          18.5                3.1 +/-    1.16       7.1 +/-    1.16  0.060 / 0.070
G14     100.7          13.4                3.1 +/-    1.52       8.1 +/-    1.52  0.050 / 0.050
G16     124.5          59.5                5.6 +/-    0.67       6.4 +/-    0.67  0.040 / 0.050
G22     193.5          52.7                5.2 +/-    1.51       6.4 +/-    1.51  0.040 / 0.050
G23     323.4          53.3                5.0 +/-    0.67       6.1 +/-    0.67  0.130 / 0.410
G26     67.3           51.0                4.2 +/-    0.46       5.2 +/-    0.46  0.120 / 0.530
G31     53.6           17.1                1.8 +/-    1.34       4.2 +/-    1.34  0.040 / 0.060