PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/11-23:12:50
G01     68.6           32.5                8.5 +/-    0.90      14.2 +/-    0.90  0.090 / 0.120
G07     137.9          25.0                9.9 +/-    0.61      19.4 +/-    0.61  0.060 / 0.120
G11     51.5           28.6                5.9 +/-    1.59      10.6 +/-    1.59  0.050 / 0.060
G13     271.7          38.0                9.4 +/-    0.81      14.2 +/-    0.81  0.060 / 0.060
G15     300.7          15.7                5.3 +/-    2.66      12.9 +/-    2.66  0.030 / 0.040
G17     236.7          72.5                9.0 +/-    0.89       9.4 +/-    0.89  0.030 / 0.040
G18     45.4           15.3                6.2 +/-    2.30      15.4 +/-    2.30  0.060 / 0.070
G19     224.7          43.1               12.1 +/-    2.14      16.7 +/-    2.14  0.040 / 0.090
G28     15.3           60.2                8.2 +/-    0.66       9.3 +/-    0.66  0.050 / 0.120
G30     137.3          60.0               10.8 +/-    1.06      12.2 +/-    1.06  0.050 / 0.160