PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/06-21:28:10
G07     61.0           67.4               11.4 +/-    0.69      12.2 +/-    0.69  0.060 / 0.070
G08     50.4           38.8               10.1 +/-    0.97      15.0 +/-    0.97  0.060 / 0.080
G09     178.5          38.1               13.6 +/-    1.06      20.4 +/-    1.06  0.030 / 0.030
G11     117.7          35.3               13.2 +/-    0.61      20.8 +/-    0.61  0.030 / 0.030
G17     198.8          15.2               15.8 +/-    2.89      39.1 +/-    2.89  0.140 / 0.230
G18     101.5          16.0               11.4 +/-    1.91      27.7 +/-    1.91  0.060 / 0.340
G23     161.1          10.0               13.4 +/-    2.26      37.4 +/-    2.26  0.120 / 0.090
G27     37.8           10.1                8.9 +/-    3.25      24.6 +/-    3.25  0.090 / 0.090
G28     270.4          49.4               11.3 +/-    3.29      14.3 +/-    3.29  0.050 / 0.040
G30     331.5          59.8                9.4 +/-    0.62      10.6 +/-    0.62  0.040 / 0.050