PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/09-13:28:00
G05     52.5           9.8                 1.7 +/-    4.49       4.6 +/-    4.49  0.120 / 0.330
G10     243.6          22.6                5.3 +/-    1.17      10.9 +/-    1.17  0.100 / 0.260
G13     61.4           32.5                4.4 +/-    1.58       7.4 +/-    1.58  0.030 / 0.040
G15     97.6           56.4                6.7 +/-    0.40       7.8 +/-    0.40  0.040 / 0.030
G16     303.4          15.6                3.5 +/-    1.64       8.5 +/-    1.64  0.070 / 0.060
G20     261.6          48.1                6.6 +/-    2.90       8.5 +/-    2.90  0.040 / 0.060
G21     325.8          54.7                3.9 +/-    0.69       4.7 +/-    0.69  0.320 / 0.480
G26     277.1          18.1                5.4 +/-    2.01      12.3 +/-    2.01  0.300 / 0.430
G29     160.5          61.2                8.2 +/-    0.44       9.2 +/-    0.44  0.080 / 0.100