PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/03/23-00:58:10
G02     199.2          18.9               18.7 +/-    0.99      42.2 +/-    0.99  0.080 / 0.180
G06     173.1          49.4               15.1 +/-    0.80      19.2 +/-    0.80  0.080 / 0.170
G13     230.4          15.5               15.5 +/-    1.83      38.2 +/-    1.83  0.050 / 0.070
G17     11.6           65.0               10.0 +/-    1.26      10.9 +/-    1.26  0.040 / 0.080
G19     309.8          71.3               10.4 +/-    0.69      10.9 +/-    0.69  0.040 / 0.060
G24     312.5          26.6                9.7 +/-    2.98      18.3 +/-    2.98  0.040 / 0.070
G28     84.4           41.3               11.3 +/-    0.51      16.2 +/-    0.51  0.040 / 0.050
G30     155.8          15.5               16.3 +/-    1.04      40.1 +/-    1.04  0.040 / 0.050