PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/22-02:27:50
G02     273.6          81.0              -25.1 +/-    0.81     -25.3 +/-    0.81  0.090 / 0.150
G05     168.6          22.3                5.1 +/-    1.84      10.7 +/-    1.84  0.080 / 0.120
G06     38.4           56.8                3.1 +/-    0.51       3.7 +/-    0.51  0.040 / 0.040
G12     320.4          55.6                2.9 +/-    0.71       3.4 +/-    0.71  0.040 / 0.030
G17     76.5           17.1                3.7 +/-    1.72       8.6 +/-    1.72  0.110 / 0.350
G19     62.9           34.7                3.7 +/-    0.76       6.0 +/-    0.76  0.250 / 0.260
G24     236.7          30.5                5.8 +/-    1.97      10.0 +/-    1.97  0.090 / 0.080
G25     317.2          19.4                1.8 +/-    1.53       4.0 +/-    1.53  0.080 / 0.080