PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/11/30-14:27:30
G10     252.2          30.0                8.1 +/-    2.08      14.2 +/-    2.08  0.150 / 0.370
G13     51.3           27.5                4.9 +/-    2.07       9.1 +/-    2.07  0.120 / 0.340
G15     77.8           55.1                8.6 +/-    0.86      10.2 +/-    0.86  0.050 / 0.040
G16     293.2          15.9                4.5 +/-    1.04      10.8 +/-    1.04  0.050 / 0.040
G20     275.7          54.6                9.1 +/-    2.82      10.8 +/-    2.82  0.040 / 0.050
G21     337.9          61.6                6.4 +/-    0.85       7.2 +/-    0.85  0.050 / 0.050
G26     267.0          14.7                4.4 +/-    3.26      11.1 +/-    3.26  0.070 / 0.160
G29     164.3          49.3               10.2 +/-    0.69      13.0 +/-    0.69  0.130 / 0.130