PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/08-05:28:00
G01     74.5           33.2                7.0 +/-    1.34      11.5 +/-    1.34  0.100 / 0.100
G07     135.4          31.8               11.2 +/-    0.74      19.0 +/-    0.74  0.080 / 0.090
G11     54.6           31.6                5.6 +/-    1.52       9.5 +/-    1.52  0.040 / 0.070
G13     278.0          38.2                5.5 +/-    1.30       8.2 +/-    1.30  0.050 / 0.070
G15     306.7          13.6                1.3 +/-    1.26       3.4 +/-    1.26  0.040 / 0.020
G17     228.4          69.3                9.8 +/-    0.62      10.4 +/-    0.62  0.030 / 0.030
G19     221.6          36.8                8.8 +/-    0.99      13.6 +/-    0.99  0.040 / 0.020
G28     9.8            60.6                6.5 +/-    1.88       7.4 +/-    1.88  0.040 / 0.030
G30     131.9          66.5               10.7 +/-    0.48      11.5 +/-    0.48  0.060 / 0.090