PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-23:57:50
G02     200.3          24.1               11.1 +/-    3.95      22.2 +/-    3.95  0.120 / 0.090
G06     174.3          53.4               11.5 +/-    0.22      13.9 +/-    0.22  0.070 / 0.110
G13     224.4          11.5                9.2 +/-    1.74      24.9 +/-    1.74  0.030 / 0.030
G17     26.7           56.5                8.5 +/-    0.74       9.9 +/-    0.74  0.030 / 0.030
G19     330.9          70.5                8.2 +/-    0.35       8.6 +/-    0.35  0.160 / 0.410
G24     306.8          32.9                8.1 +/-    1.38      13.5 +/-    1.38  0.250 / 0.540
G28     88.2           41.3                8.6 +/-    1.43      12.3 +/-    1.43  0.060 / 0.070
G30     157.1          11.4               10.9 +/-    1.67      29.6 +/-    1.67  0.050 / 0.070