PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/02-05:57:50
G01     71.4           33.0                4.3 +/-    0.55       7.0 +/-    0.55  0.050 / 0.070
G07     136.9          29.6                6.8 +/-    1.06      12.0 +/-    1.06  0.050 / 0.090
G11     52.9           29.8                3.7 +/-    0.47       6.6 +/-    0.47  0.040 / 0.040
G13     274.7          38.0                7.5 +/-    0.88      11.3 +/-    0.88  0.030 / 0.030
G15     304.7          14.1                1.8 +/-    1.70       4.7 +/-    1.70  0.060 / 0.130
G17     233.1          71.5                7.2 +/-    0.79       7.5 +/-    0.79  0.060 / 0.130
G19     223.3          38.9               10.1 +/-    2.46      15.0 +/-    2.46  0.040 / 0.060
G28     14.7           60.1                4.0 +/-    0.38       4.6 +/-    0.38  0.040 / 0.060
G30     135.0          64.1                6.9 +/-    0.64       7.5 +/-    0.64  0.030 / 0.040