PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/06/07-13:43:10
G07     333.0          58.5                6.1 +/-    0.72       7.1 +/-    0.72  0.220 / 0.330
G08     109.8          49.8                8.1 +/-    0.50      10.2 +/-    0.50  0.230 / 0.480
G09     211.9          80.0                6.9 +/-    0.43       6.9 +/-    0.43  0.160 / 0.500
G11     148.6          10.6               -2.0 +/-   17.32      -5.5 +/-   17.32  0.210 / 0.510
G16     45.1           12.6                4.0 +/-    4.43      10.6 +/-    4.43  0.030 / 0.040
G23     152.6          45.5                9.5 +/-    0.93      12.7 +/-    0.93  0.040 / 0.040
G27     62.1           34.9                6.7 +/-    1.12      10.6 +/-    1.12  0.070 / 0.060
G28     231.9          20.0                8.3 +/-    2.22      18.3 +/-    2.22  0.050 / 0.060
G30     299.5          34.7                7.0 +/-    1.61      11.1 +/-    1.61  0.030 / 0.020