PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2019/05/12-09:27:50
G01     301.2          37.5                4.1 +/-    0.59       6.3 +/-    0.59  0.070 / 0.100
G10     111.9          34.4                6.4 +/-    0.99      10.3 +/-    0.99  0.060 / 0.120
G11     274.2          27.5                4.9 +/-    1.58       9.0 +/-    1.58  0.060 / 0.090
G14     10.1           63.8                3.8 +/-    0.59       4.2 +/-    0.59  0.080 / 0.080
G18     264.6          50.6                9.5 +/-    8.69      11.9 +/-    8.69  0.050 / 0.060
G22     312.6          33.8                2.7 +/-    1.14       4.4 +/-    1.14  0.060 / 0.070
G25     76.2           17.5                3.6 +/-    1.57       8.4 +/-    1.57  0.030 / 0.040
G31     158.3          71.1                5.3 +/-    0.36       5.6 +/-    0.36  0.040 / 0.040
G32     38.1           51.6                4.7 +/-    0.72       5.9 +/-    0.72  0.060 / 0.060