PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/10-22:57:40
G01     79.3           33.0                8.9 +/-    1.05      14.6 +/-    1.05  0.040 / 0.050
G07     132.7          33.0                9.9 +/-    0.63      16.3 +/-    0.63  0.040 / 0.060
G11     58.0           34.5                6.2 +/-    0.87      10.0 +/-    0.87  0.060 / 0.120
G13     283.2          38.4                9.8 +/-    0.84      14.7 +/-    0.84  0.090 / 0.120
G15     308.3          13.6                7.3 +/-    1.66      18.7 +/-    1.66  0.040 / 0.030
G17     221.8          64.3               10.6 +/-    0.66      11.7 +/-    0.66  0.030 / 0.030
G18     52.5           19.5                7.8 +/-    1.21      17.4 +/-    1.21  0.070 / 0.100
G19     218.7          34.8                9.9 +/-    1.43      15.7 +/-    1.43  0.090 / 0.110
G28     358.4          61.4                7.8 +/-    0.99       8.7 +/-    0.99  0.040 / 0.100
G30     126.0          68.5                8.9 +/-    0.70       9.5 +/-    0.70  0.050 / 0.090