PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/24-14:58:00
G01     103.2          26.6                9.6 +/-    1.02      18.1 +/-    1.02  0.130 / 0.180
G07     113.3          51.4                9.9 +/-    0.70      12.3 +/-    0.70  0.080 / 0.100
G08     41.8           19.5                6.8 +/-    1.28      15.1 +/-    1.28  0.040 / 0.060
G09     174.9          12.3                9.8 +/-    2.02      26.0 +/-    2.02  0.040 / 0.060
G11     84.1           43.4                9.3 +/-    0.65      12.8 +/-    0.65  0.060 / 0.120
G13     306.7          31.4                8.4 +/-    1.46      14.3 +/-    1.46  0.090 / 0.100
G17     206.7          38.8               10.9 +/-    1.85      16.1 +/-    1.85  0.070 / 0.150
G18     75.9           24.3                7.7 +/-    0.90      15.3 +/-    0.90  0.080 / 0.160
G28     312.3          59.4                9.1 +/-    1.04      10.4 +/-    1.04  0.050 / 0.080
G30     52.4           79.0                8.8 +/-    0.65       9.0 +/-    0.65  0.050 / 0.090