PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/14-06:27:50
G01     61.4           30.2                1.8 +/-    0.45       3.2 +/-    0.45  0.120 / 0.180
G06     179.8          12.4                4.7 +/-    5.46      12.5 +/-    5.46  0.090 / 0.200
G07     140.4          24.9                7.4 +/-    1.01      14.5 +/-    1.01  0.030 / 0.040
G11     50.7           29.4                2.8 +/-    0.91       4.9 +/-    0.91  0.030 / 0.030
G13     264.7          37.3                8.5 +/-    1.11      12.9 +/-    1.11  0.040 / 0.050
G15     294.6          16.9                3.2 +/-    0.80       7.6 +/-    0.80  0.040 / 0.060
G17     246.3          74.7                9.1 +/-    0.84       9.4 +/-    0.84  0.070 / 0.200
G19     228.7          50.4               10.2 +/-    0.59      12.8 +/-    0.59  0.060 / 0.170
G28     14.8           60.7                4.3 +/-    0.68       4.9 +/-    0.68  0.040 / 0.050
G30     142.4          59.2                7.2 +/-    0.99       8.2 +/-    0.99  0.040 / 0.060