Headers only Example

In the following example, rays uses the -perf option to display the ray header information only. This format lets you evaluate the speed of IRIS or the signal processor and look for missing rays.

There are 2 azimuth and elevation angles recorded with each ray. These are angles at the beginning and ending of each ray.

$ rays -perf -terse DRY020418160516. | more
Reading file: /usr/iris_data/ingest/DRY020418160516.01dBT

# 0 Az: 359.80,0.99 El: 0.48, 0.48 Size: 967 16:05:33
# 1 Missing
# 2 Az: 0.99, 2.20 El: 0.48, 0.48 Size: 967 16:05:33
# 3 Az: 2.20, 3.38 El: 0.48, 0.48 Size: 967 16:05:33
# 4 Az: 3.38, 4.59 El: 0.48, 0.48 Size: 967 16:05:33
# 5 Az: 4.59, 5.78 El: 0.48, 0.48 Size: 967 16:05:34
# 6 Az: 5.78, 6.99 El: 0.48, 0.48 Size: 967 16:05:34
# 7 Missing
# 8 Az: 6.99, 8.17 El: 0.48, 0.48 Size: 967 16:05:34
# 9 Az: 9.38, 9.38 El: 0.48, 0.48 Size: 967 16:05:34
# 10 Az: 9.38, 10.57 El: 0.48, 0.48 Size: 967 16:05:34
# 11 Az: 10.57, 11.78 El: 0.48, 0.48 Size: 967 16:05:34
# 12 Az: 11.78, 12.96 El: 0.48, 0.48 Size: 967 16:05:34
# 13 Missing
# 14 Az: 14.17, 14.17 El: 0.48, 0.48 Size: 967 16:05:34
# 15 Az: 14.17, 15.36 El: 0.48, 0.48 Size: 967 16:05:34
# 16 Az: 15.36, 16.57 El: 0.48, 0.48 Size: 967 16:05:34
# 17 Az: 16.57, 17.75 El: 0.48, 0.48 Size: 967 16:05:34
# 18 Az: 17.75, 18.96 El: 0.48, 0.48 Size: 967 16:05:34
# 19 Az: 18.96, 18.96 El: 0.48, 0.48 Size: 967 16:05:34
# 20 Az: 18.96, 20.15 El: 0.48, 0.48 Size: 967 16:05:34
# 21 Az: 20.15, 21.36 El: 0.48, 0.48 Size: 967 16:05:34
# 22 Az: 21.36, 22.54 El: 0.48, 0.48 Size: 967 16:05:34
# 23 Az: 22.54, 23.75 El: 0.48, 0.48 Size: 967 16:05:34
# 24 Az: 23.75, 24.94 El: 0.48, 0.48 Size: 967 16:05:34