PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/09-15:58:00
G01     104.0          26.3                9.0 +/-    1.11      17.0 +/-    1.11  0.070 / 0.060
G07     112.7          51.4                9.8 +/-    0.78      12.2 +/-    0.78  0.040 / 0.060
G08     41.8           19.4                7.4 +/-    1.66      16.5 +/-    1.66  0.040 / 0.060
G09     175.1          13.0                9.6 +/-    3.09      25.0 +/-    3.09  0.060 / 0.080
G11     84.7           43.3               10.0 +/-    1.04      13.8 +/-    1.04  0.030 / 0.050
G13     307.3          31.0                8.1 +/-    0.98      13.9 +/-    0.98  0.030 / 0.050
G17     206.3          38.8               11.3 +/-    1.02      16.7 +/-    1.02  0.070 / 0.170
G18     76.4           24.2                8.6 +/-    1.39      17.1 +/-    1.39  0.070 / 0.170
G28     311.6          59.3                8.5 +/-    0.96       9.7 +/-    0.96  0.060 / 0.090
G30     53.6           78.7               10.1 +/-    1.57      10.2 +/-    1.57  0.050 / 0.080