PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/11-06:42:40
G02     202.9          39.2                8.6 +/-    0.57      12.6 +/-    0.57  0.080 / 0.080
G06     154.1          71.2                8.6 +/-    1.17       9.1 +/-    1.17  0.050 / 0.090
G12     308.6          18.8                3.4 +/-    1.25       7.6 +/-    1.25  0.070 / 0.090
G17     38.5           46.8                3.9 +/-    0.24       5.1 +/-    0.24  0.060 / 0.080
G19     10.3           62.9                4.0 +/-    0.39       4.4 +/-    0.39  0.060 / 0.110
G24     296.3          38.0                6.0 +/-    1.36       9.0 +/-    1.36  0.050 / 0.100
G28     99.8           37.5                7.5 +/-    0.60      11.4 +/-    0.60  0.080 / 0.130