PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-20:57:50
G01     263.6          40.0                9.5 +/-    2.87      13.7 +/-    2.87  0.090 / 0.070
G03     316.5          33.8                6.7 +/-    1.79      10.9 +/-    1.79  0.080 / 0.060
G10     132.5          12.0               11.5 +/-    1.67      30.8 +/-    1.67  0.050 / 0.070
G11     244.3          17.1               10.3 +/-    2.57      24.4 +/-    2.57  0.060 / 0.070
G14     49.7           46.5                8.7 +/-    1.24      11.4 +/-    1.24  0.110 / 0.110
G22     312.6          56.1                7.5 +/-    1.73       8.9 +/-    1.73  0.130 / 0.080
G25     43.4           11.3                7.9 +/-    2.95      21.5 +/-    2.95  0.040 / 0.020
G26     146.7          28.5               12.7 +/-    2.79      23.0 +/-    2.79  0.030 / 0.030
G31     48.9           72.8                8.6 +/-    0.63       8.9 +/-    0.63  0.070 / 0.090
G32     68.1           29.9                8.8 +/-    2.70      15.5 +/-    2.70  0.070 / 0.100