PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-21:27:50
G01     91.8           31.5               11.3 +/-    1.18      19.2 +/-    1.18  0.580 / 0.370
G07     124.1          47.2               10.7 +/-    0.41      14.0 +/-    0.41  0.280 / 0.180
G08     42.5           12.6                8.3 +/-    2.57      21.9 +/-    2.57  0.110 / 0.120
G11     72.4           41.4                9.7 +/-    1.12      13.8 +/-    1.12  0.130 / 0.110
G13     296.6          35.2                9.9 +/-    2.04      15.7 +/-    2.04  0.120 / 0.200
G17     214.4          47.7               10.9 +/-    0.86      14.1 +/-    0.86  0.140 / 0.180
G18     65.8           24.3               10.2 +/-    1.00      20.2 +/-    1.00  0.040 / 0.030
G19     214.1          25.2               12.7 +/-    1.45      24.6 +/-    1.45  0.040 / 0.040
G28     347.4          61.8                9.6 +/-    0.42      10.7 +/-    0.42  0.080 / 0.040
G30     103.3          74.9               10.4 +/-    0.59      10.7 +/-    0.59  0.080 / 0.070