PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/05-12:13:00
G01     229.3          20.8                4.2 +/-    1.95       9.1 +/-    1.95  0.030 / 0.040
G03     292.9          68.7                4.0 +/-    0.91       4.2 +/-    0.91  0.030 / 0.040
G14     81.9           26.8                5.0 +/-    1.31       9.3 +/-    1.31  0.040 / 0.040
G16     153.5          37.9                5.2 +/-    1.29       7.8 +/-    1.29  0.040 / 0.040
G22     218.0          73.2                4.5 +/-    0.59       4.6 +/-    0.59  0.080 / 0.170
G23     303.9          34.5                3.6 +/-    1.05       5.7 +/-    1.05  0.080 / 0.160
G26     110.5          52.9                4.9 +/-    0.81       6.0 +/-    0.81  0.100 / 0.170
G31     43.6           36.9                3.0 +/-    0.90       4.6 +/-    0.90  0.090 / 0.180
G32     93.7           12.7                6.1 +/-    1.43      15.9 +/-    1.43  0.060 / 0.130