PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/05/03-06:27:40
G10     266.5          37.7                6.1 +/-    1.25       9.3 +/-    1.25  0.170 / 0.430
G13     42.3           18.9                3.4 +/-    0.97       7.8 +/-    0.97  0.140 / 0.520
G15     59.4           48.7                3.3 +/-    0.82       4.2 +/-    0.82  0.130 / 0.150
G16     278.9          12.2                5.3 +/-    2.53      14.2 +/-    2.53  0.140 / 0.170
G20     8.9            66.2                3.2 +/-    0.57       3.5 +/-    0.57  0.030 / 0.040
G21     1.3            71.5                3.9 +/-    0.84       4.1 +/-    0.84  0.030 / 0.050
G24     120.7          13.9                5.4 +/-    1.61      13.9 +/-    1.61  0.120 / 0.290
G27     318.6          18.9                3.9 +/-    1.69       8.8 +/-    1.69  0.140 / 0.340
G29     168.1          31.9                5.5 +/-    0.73       9.3 +/-    0.73  0.070 / 0.070
G32     203.9          10.1              -16.4 +/-   16.94     -45.5 +/-   16.94  0.070 / 0.070