PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/30-22:43:00
G01     75.0           33.3               10.5 +/-    0.91      17.1 +/-    0.91  0.060 / 0.100
G07     135.3          34.7               12.5 +/-    1.33      20.0 +/-    1.33  0.060 / 0.120
G11     57.9           34.8                8.0 +/-    0.64      12.8 +/-    0.64  0.070 / 0.080
G13     279.6          37.6               11.5 +/-    1.16      17.4 +/-    1.16  0.060 / 0.100
G15     305.2          14.8                7.2 +/-    3.58      18.0 +/-    3.58  0.030 / 0.050
G17     227.2          61.9               13.0 +/-    1.32      14.5 +/-    1.32  0.030 / 0.060
G18     52.4           20.2                8.5 +/-    1.30      18.6 +/-    1.30  0.030 / 0.050
G19     221.8          38.4               12.8 +/-    2.56      19.1 +/-    2.56  0.030 / 0.040
G28     14.2           59.9                9.3 +/-    0.63      10.5 +/-    0.63  0.060 / 0.140
G30     131.5          62.5               12.7 +/-    0.50      14.1 +/-    0.50  0.070 / 0.130