PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/12/14-18:43:10
G01     297.3          40.2                8.7 +/-    0.83      12.7 +/-    0.83  0.070 / 0.130
G10     113.7          32.0               10.7 +/-    0.95      18.0 +/-    0.95  0.060 / 0.110
G11     277.5          25.3                9.7 +/-    1.02      18.8 +/-    1.02  0.060 / 0.090
G14     3.3            65.0                7.2 +/-    0.51       7.9 +/-    0.51  0.050 / 0.080
G22     312.5          31.3                7.7 +/-    1.66      13.2 +/-    1.66  0.040 / 0.060
G25     74.3           17.6                9.5 +/-    1.00      22.2 +/-    1.00  0.040 / 0.050
G31     156.4          72.4                9.7 +/-    0.83      10.1 +/-    0.83  0.070 / 0.180
G32     45.5           45.5                7.8 +/-    0.69      10.5 +/-    0.69  0.090 / 0.190