PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/02/10-04:12:50
G02     201.0          30.9                5.0 +/-    1.62       8.5 +/-    1.62  0.080 / 0.100
G06     170.4          61.2                5.0 +/-    0.30       5.6 +/-    0.30  0.070 / 0.120
G17     29.4           54.4                3.1 +/-    0.95       3.8 +/-    0.95  0.030 / 0.030
G19     349.7          68.0                2.5 +/-    0.49       2.7 +/-    0.49  0.040 / 0.030
G24     304.3          34.4                2.7 +/-    1.39       4.3 +/-    1.39  0.030 / 0.060
G28     97.5           34.2                5.1 +/-    0.74       8.2 +/-    0.74  0.040 / 0.050