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                9.8 +/-    4.03      14.2 +/-    4.03  0.060 / 0.120
G10     113.7          32.0               11.1 +/-    1.73      18.6 +/-    1.73  0.090 / 0.110
G11     277.5          25.3                7.4 +/-    0.92      14.3 +/-    0.92  0.040 / 0.050
G14     3.3            65.0                8.3 +/-    0.59       9.1 +/-    0.59  0.040 / 0.060
G22     312.5          31.3                8.6 +/-    0.96      14.7 +/-    0.96  0.060 / 0.090
G25     74.3           17.6                9.9 +/-    1.50      23.0 +/-    1.50  0.050 / 0.090
G31     156.4          72.4               10.1 +/-    0.83      10.5 +/-    0.83  0.080 / 0.150
G32     45.5           45.5                8.1 +/-    0.83      10.9 +/-    0.83  0.100 / 0.130