PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/10/05-17:43:10
G02     81.1           17.2                8.8 +/-    1.05      20.7 +/-    1.05  0.090 / 0.130
G05     44.4           38.0                7.7 +/-    0.30      11.6 +/-    0.30  0.110 / 0.140
G13     100.7          32.2               12.3 +/-    0.75      20.5 +/-    0.75  0.060 / 0.130
G15     151.1          34.5               13.6 +/-    1.17      21.7 +/-    1.17  0.060 / 0.130
G20     233.0          21.1               11.9 +/-    2.69      25.6 +/-    2.69  0.040 / 0.070
G21     295.6          34.9               10.8 +/-    1.66      17.2 +/-    1.66  0.030 / 0.050
G25     207.4          26.3               12.6 +/-    0.83      23.9 +/-    0.83  0.060 / 0.160
G26     307.2          17.6                9.6 +/-    1.26      22.5 +/-    1.26  0.060 / 0.140
G29     1.3            83.5                8.5 +/-    0.82       8.5 +/-    0.82  0.050 / 0.090