PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/07-04:43:10
G01     66.2           31.2               20.7 +/-    1.07      35.4 +/-    1.07  0.030 / 0.020
G07     138.1          29.6                8.2 +/-    2.11      14.4 +/-    2.11  0.030 / 0.030
G11     54.0           33.5                5.5 +/-    1.35       8.9 +/-    1.35  0.130 / 0.270
G13     270.4          38.5                8.5 +/-    1.80      12.7 +/-    1.80  0.120 / 0.230
G15     298.1          16.9                4.7 +/-    2.01      11.1 +/-    2.01  0.040 / 0.050
G17     235.2          71.7                9.7 +/-    0.44      10.1 +/-    0.44  0.040 / 0.050
G19     224.5          46.2                9.8 +/-    2.27      12.9 +/-    2.27  0.030 / 0.030
G28     5.0            61.3                6.3 +/-    0.63       7.1 +/-    0.63  0.030 / 0.030
G30     138.2          64.4                9.4 +/-    0.80      10.3 +/-    0.80  0.080 / 0.130