PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/09-22:57:40
G01     81.6           32.8                8.2 +/-    1.20      13.6 +/-    1.20  0.050 / 0.080
G07     131.4          34.7               10.0 +/-    0.84      16.0 +/-    0.84  0.040 / 0.060
G11     59.8           35.7                8.8 +/-    0.85      13.8 +/-    0.85  0.130 / 0.110
G13     285.7          38.2               12.5 +/-    1.19      18.7 +/-    1.19  0.150 / 0.110
G15     309.9          12.9                8.8 +/-    2.12      23.1 +/-    2.12  0.060 / 0.110
G17     219.6          62.4               12.0 +/-    1.26      13.4 +/-    1.26  0.060 / 0.090
G18     54.2           20.2                8.1 +/-    3.46      17.6 +/-    3.46  0.040 / 0.050
G19     217.6          33.0               11.2 +/-    2.03      18.5 +/-    2.03  0.040 / 0.040
G28     354.7          61.5                8.6 +/-    0.70       9.6 +/-    0.70  0.070 / 0.230
G30     122.5          70.3               10.9 +/-    0.72      11.5 +/-    0.72  0.090 / 0.230