PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-14:58:00
G10     299.2          53.3                6.2 +/-    1.93       7.5 +/-    1.93  0.060 / 0.080
G15     45.6           24.7                5.1 +/-    2.43      10.0 +/-    2.43  0.060 / 0.080
G20     0.9            65.0                5.8 +/-    0.49       6.4 +/-    0.49  0.050 / 0.070
G21     97.1           73.2                8.1 +/-    0.50       8.4 +/-    0.50  0.060 / 0.060
G24     99.7           26.6                7.5 +/-    0.95      14.1 +/-    0.95  0.040 / 0.030
G27     300.9          34.5                4.7 +/-    1.72       7.6 +/-    1.72  0.040 / 0.050
G32     209.5          33.4                7.9 +/-    1.39      12.9 +/-    1.39  0.100 / 0.170