PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/15-14:58:10
G02     82.8           15.0                5.5 +/-    1.82      13.7 +/-    1.82  0.130 / 0.200
G05     44.5           35.9                5.2 +/-    0.69       8.2 +/-    0.69  0.090 / 0.240
G13     99.1           32.7                8.6 +/-    0.74      14.2 +/-    0.74  0.050 / 0.110
G15     148.1          36.6                8.8 +/-    1.05      13.5 +/-    1.05  0.070 / 0.100
G20     233.9          22.2                7.0 +/-    2.49      14.7 +/-    2.49  0.040 / 0.070
G21     297.7          36.8                7.1 +/-    0.82      10.9 +/-    0.82  0.040 / 0.070
G25     205.0          24.2                6.4 +/-    1.61      12.8 +/-    1.61  0.050 / 0.100
G26     307.2          17.3                6.1 +/-    1.80      14.5 +/-    1.80  0.050 / 0.120
G29     20.1           85.3                5.4 +/-    0.36       5.5 +/-    0.36  0.040 / 0.090