PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/07/28-04:43:00
G01     283.2          42.4                2.5 +/-    3.88       3.5 +/-    3.88  0.040 / 0.090
G03     313.6          21.3                4.2 +/-    2.28       8.9 +/-    2.28  0.040 / 0.080
G10     123.1          23.4                5.2 +/-    0.69      10.6 +/-    0.69  0.050 / 0.060
G11     260.6          23.5                7.1 +/-    3.55      14.4 +/-    3.55  0.060 / 0.060
G14     29.2           56.8                3.8 +/-    1.68       4.5 +/-    1.68  0.040 / 0.050
G18     244.6          45.3                6.0 +/-    5.49       8.1 +/-    5.49  0.050 / 0.050
G22     314.6          42.2                4.0 +/-    0.55       5.7 +/-    0.55  0.070 / 0.100
G25     63.3           18.6                3.2 +/-    1.15       7.2 +/-    1.15  0.060 / 0.090
G31     92.6           78.7                4.5 +/-    0.46       4.6 +/-    0.46  0.040 / 0.050
G32     54.3           39.8                3.5 +/-    1.22       5.0 +/-    1.22  0.050 / 0.060