PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/09/09-22:58:00
G08     315.1          16.0                9.7 +/-    2.68      23.6 +/-    2.68  0.030 / 0.060
G10     317.7          57.4               11.3 +/-    0.67      13.2 +/-    0.67  0.040 / 0.050
G14     214.4          22.4               15.3 +/-    1.05      31.8 +/-    1.05  0.060 / 0.080
G15     46.0           22.4                8.4 +/-    0.55      17.6 +/-    0.55  0.060 / 0.080
G20     21.4           63.2               10.7 +/-    0.57      11.9 +/-    0.57  0.100 / 0.260
G21     124.4          64.7               12.1 +/-    0.77      13.2 +/-    0.77  0.110 / 0.360
G24     80.8           29.0               11.4 +/-    0.99      20.4 +/-    0.99  0.060 / 0.120
G27     286.4          37.2               12.5 +/-    1.13      19.1 +/-    1.13  0.070 / 0.120
G32     216.9          45.7               14.3 +/-    0.80      19.1 +/-    0.80  0.160 / 0.390