PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-03:27:50
G01     98.5           27.7                7.9 +/-    0.91      14.5 +/-    0.91  0.030 / 0.040
G07     114.3          54.2                5.8 +/-    0.66       6.9 +/-    0.66  0.030 / 0.030
G08     41.4           14.5                1.9 +/-    3.22       4.9 +/-    3.22  0.060 / 0.130
G11     85.6           45.6                5.5 +/-    1.15       7.4 +/-    1.15  0.050 / 0.130
G13     303.9          33.4                4.5 +/-    0.97       7.4 +/-    0.97  0.040 / 0.070
G17     206.9          44.2                9.3 +/-    0.96      12.7 +/-    0.96  0.040 / 0.060
G19     209.4          20.3                6.4 +/-    3.19      14.0 +/-    3.19  0.030 / 0.050
G28     311.4          58.5                4.7 +/-    1.07       5.4 +/-    1.07  0.030 / 0.050
G30     27.0           80.4                5.0 +/-    0.67       5.1 +/-    0.67  0.040 / 0.070