PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/03/26-09:27:50
G08     315.1          16.1                2.7 +/-    3.15       6.5 +/-    3.15  0.040 / 0.030
G10     319.6          58.0                3.8 +/-    0.63       4.4 +/-    0.63  0.040 / 0.040
G14     214.0          24.4                6.5 +/-    1.54      13.0 +/-    1.54  0.070 / 0.090
G15     45.8           15.8                2.2 +/-    2.71       5.4 +/-    2.71  0.060 / 0.080
G20     22.8           62.9                3.1 +/-    1.08       3.4 +/-    1.08  0.140 / 0.270
G21     125.8          61.2                6.6 +/-    0.61       7.4 +/-    0.61  0.130 / 0.230
G24     81.2           29.3                5.3 +/-    1.45       9.4 +/-    1.45  0.040 / 0.020
G27     287.2          36.9                5.7 +/-    0.73       8.7 +/-    0.73  0.030 / 0.030
G32     217.6          39.9                7.6 +/-    2.18      11.1 +/-    2.18  0.060 / 0.070