PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/02-16:28:00
G08     311.4          18.4                5.0 +/-    1.07      11.5 +/-    1.07  0.060 / 0.060
G10     331.3          60.1                6.4 +/-    0.88       7.2 +/-    0.88  0.060 / 0.060
G14     216.7          24.0                9.9 +/-    2.84      19.8 +/-    2.84  0.200 / 0.360
G20     38.8           59.4                7.2 +/-    0.60       8.2 +/-    0.60  0.270 / 0.310
G21     131.9          58.7               10.0 +/-    0.89      11.5 +/-    0.89  0.110 / 0.200
G24     78.4           30.7                8.3 +/-    0.85      14.4 +/-    0.85  0.130 / 0.180
G27     278.0          38.2                8.6 +/-    1.60      12.9 +/-    1.60  0.040 / 0.040
G32     220.3          51.7               10.1 +/-    1.59      12.4 +/-    1.59  0.030 / 0.040