Instruct: Identify the main and secondary category of Arxiv papers based on the titles
Query: GPS Measurements of Precipitable Water Vapor Can Improve Survey
  Calibration: A Demonstration from KPNO and the Mayall z-band Legacy Survey
12
The categories of this paper are: nucl-th
2
The categories of this paper are: math
13
The categories of this paper are: quant-ph
7
The categories of this paper are: hep-th
15
The categories of this paper are: nucl-ex
26
The categories of this paper are: bayes-an
36
The categories of this paper are: cmp-lg
24
The categories of this paper are: dg-ga
25
The categories of this paper are: patt-sol
33
The categories of this paper are: plasm-ph
22
The categories of this paper are: chao-dyn
37
The categories of this paper are: supr-con
0
The categories of this paper are: hep-ph
23
The categories of this paper are: solv-int
14
The categories of this paper are: math-ph
32
The categories of this paper are: atom-ph