PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/29-15:13:00
G01     84.6           32.2                8.7 +/-    1.40      14.6 +/-    1.40  0.060 / 0.050
G07     129.1          37.6               10.4 +/-    0.65      15.8 +/-    0.65  0.050 / 0.050
G11     63.6           38.5                8.8 +/-    1.13      13.2 +/-    1.13  0.050 / 0.080
G13     289.0          38.1                9.1 +/-    2.56      13.6 +/-    2.56  0.050 / 0.080
G15     312.2          11.8                6.9 +/-    2.34      18.5 +/-    2.34  0.030 / 0.080
G17     216.8          55.2               11.3 +/-    0.96      13.4 +/-    0.96  0.040 / 0.070
G18     58.7           22.5                7.3 +/-    1.75      15.2 +/-    1.75  0.040 / 0.060
G19     215.6          31.8                8.4 +/-    1.55      14.1 +/-    1.55  0.050 / 0.060
G28     344.2          61.6                7.7 +/-    0.47       8.6 +/-    0.47  0.130 / 0.270
G30     118.0          70.8                9.5 +/-    1.00      10.0 +/-    1.00  0.120 / 0.270