PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/04/13-11:27:50
G01     300.7          37.7                8.0 +/-    1.59      12.2 +/-    1.59  0.080 / 0.070
G03     309.6          14.9              -12.9 +/-   24.09     -32.3 +/-   24.09  0.080 / 0.070
G10     112.4          34.1                6.7 +/-    1.01      10.8 +/-    1.01  0.070 / 0.070
G11     273.3          27.5                8.0 +/-    2.66      14.7 +/-    2.66  0.060 / 0.070
G14     11.7           63.4                6.7 +/-    0.60       7.4 +/-    0.60  0.040 / 0.050
G18     262.8          50.6               11.6 +/-    8.47      14.5 +/-    8.47  0.060 / 0.060
G22     313.2          36.3                8.5 +/-    0.95      13.1 +/-    0.95  0.080 / 0.080
G25     74.8           17.5                3.5 +/-    1.13       8.1 +/-    1.13  0.060 / 0.090
G31     160.3          71.0                7.5 +/-    0.43       7.8 +/-    0.43  0.050 / 0.050
G32     36.9           52.5                5.9 +/-    0.61       7.3 +/-    0.61  0.040 / 0.050