PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/04/02-00:12:50
G01     38.1           10.7               10.5 +/-    4.61      28.9 +/-    4.61  0.230 / 0.180
G02     199.1          16.5               15.6 +/-    3.05      37.3 +/-    3.05  0.080 / 0.410
G06     173.4          47.1               14.8 +/-    0.80      19.3 +/-    0.80  0.110 / 0.120
G13     232.1          17.0               12.8 +/-    1.98      30.2 +/-    1.98  0.140 / 0.170
G17     6.6            67.1                9.9 +/-    0.64      10.7 +/-    0.64  0.050 / 0.050
G19     301.1          71.0               10.3 +/-    0.41      10.8 +/-    0.41  0.050 / 0.050
G24     313.6          25.0                8.9 +/-    1.42      17.4 +/-    1.42  0.110 / 0.130
G28     81.6           42.6               10.9 +/-    0.61      15.2 +/-    0.61  0.100 / 0.150
G30     155.6          18.0               15.1 +/-    2.72      35.0 +/-    2.72  0.050 / 0.070