PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/07-05:13:10
G01     84.7           32.7                5.1 +/-    0.95       8.5 +/-    0.95  0.070 / 0.140
G07     129.6          39.4                7.3 +/-    0.76      10.7 +/-    0.76  0.080 / 0.100
G11     61.9           36.7                3.2 +/-    0.41       5.0 +/-    0.41  0.040 / 0.060
G13     288.7          37.6                3.6 +/-    0.99       5.4 +/-    0.99  0.040 / 0.070
G15     313.4          10.7               -4.6 +/-   16.20     -12.5 +/-   16.20  0.030 / 0.040
G17     217.5          61.1                6.3 +/-    1.18       7.0 +/-    1.18  0.020 / 0.030
G19     216.7          29.0                6.9 +/-    1.82      12.3 +/-    1.82  0.030 / 0.040
G28     353.6          61.6                3.3 +/-    1.07       3.7 +/-    1.07  0.050 / 0.040
G30     115.9          74.2                5.8 +/-    1.33       6.0 +/-    1.33  0.080 / 0.130