Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: The Tunka Radio Extension, an antenna array for high-energy cosmic-ray
  detection   This article presents the first results of the combined measurements of
Tunka-Rex and Tunka-Grande as well as studies of the antenna alignment effect
and an overview of the recent Tunka-Rex results.

30
The categories of this paper are: q-alg
1
The categories of this paper are: cs
17
The categories of this paper are: q-fin
21
The categories of this paper are: adap-org
27
The categories of this paper are: comp-gas
35
The categories of this paper are: mtrl-th
22
The categories of this paper are: chao-dyn
14
The categories of this paper are: math-ph
15
The categories of this paper are: nucl-ex
23
The categories of this paper are: solv-int
3
The categories of this paper are: physics
16
The categories of this paper are: stat
18
The categories of this paper are: econ
11
The categories of this paper are: hep-lat
7
The categories of this paper are: hep-th
0
The categories of this paper are: hep-ph