PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/03-05:43:10
G01     77.0           33.2                5.0 +/-    0.81       8.3 +/-    0.81  0.060 / 0.110
G07     134.1          33.7                8.5 +/-    1.55      13.8 +/-    1.55  0.060 / 0.120
G11     56.3           32.9                2.5 +/-    0.47       4.2 +/-    0.47  0.040 / 0.070
G13     280.7          38.3                4.4 +/-    0.88       6.6 +/-    0.88  0.070 / 0.080
G15     308.6          12.9                3.1 +/-    1.88       8.1 +/-    1.88  0.030 / 0.040
G17     225.1          67.3                7.0 +/-    0.82       7.5 +/-    0.82  0.030 / 0.040
G19     220.3          34.7                7.0 +/-    2.41      11.2 +/-    2.41  0.030 / 0.040
G28     6.0            60.9                4.2 +/-    0.61       4.7 +/-    0.61  0.040 / 0.030
G30     128.8          68.5                6.5 +/-    0.48       7.0 +/-    0.48  0.040 / 0.060