PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/10-23:27:50
G01     39.5           13.6               10.6 +/-    3.76      27.4 +/-    3.76  0.080 / 0.230
G02     199.0          12.9                9.4 +/-    2.57      24.6 +/-    2.57  0.130 / 0.260
G06     174.1          43.3               11.4 +/-    0.75      15.7 +/-    0.75  0.520 / 0.190
G13     234.9          19.5               11.5 +/-    3.81      25.5 +/-    3.81  0.470 / 0.420
G15     267.2          11.0                9.9 +/-    1.43      27.2 +/-    1.43  0.110 / 0.090
G17     357.9          70.0               10.5 +/-    0.36      11.1 +/-    0.36  0.080 / 0.070
G19     288.1          70.1               10.0 +/-    0.40      10.6 +/-    0.40  0.110 / 0.160
G24     315.2          22.2                9.4 +/-    2.26      19.6 +/-    2.26  0.140 / 0.140
G28     77.1           44.6               10.9 +/-    0.61      14.8 +/-    0.61  0.240 / 0.140
G30     154.9          21.9               11.5 +/-    1.42      24.1 +/-    1.42  0.250 / 0.200