PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/11/09-07:28:00
G01     73.8           33.2                4.8 +/-    0.83       7.8 +/-    0.83  0.050 / 0.060
G07     135.8          31.8                7.9 +/-    0.40      13.3 +/-    0.40  0.050 / 0.060
G11     54.3           31.2                3.3 +/-    1.35       5.6 +/-    1.35  0.040 / 0.040
G13     277.3          38.1                5.5 +/-    1.70       8.2 +/-    1.70  0.040 / 0.040
G15     307.1          13.2                1.9 +/-    1.32       5.0 +/-    1.32  0.110 / 0.240
G17     229.4          69.5                7.2 +/-    0.73       7.6 +/-    0.73  0.050 / 0.080
G18     49.1           17.8                1.5 +/-    0.82       3.5 +/-    0.82  0.070 / 0.180
G19     222.0          36.5                8.2 +/-    1.69      12.7 +/-    1.69  0.080 / 0.190
G28     11.7           60.4                2.9 +/-    0.71       3.3 +/-    0.71  0.050 / 0.110
G30     132.6          66.2                5.1 +/-    0.65       5.5 +/-    0.65  0.050 / 0.100