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Broadband System from 3.2 GHz to 14.4 GHz at Kashima Space Technology Center

K. Takefuji, T. Kondo, H. Ujihara, M. Sekido

Transactions of IAA RAS, issue 41, 127-130 (2017)

Keywords: VLBI, VGOS

Abstract

We have been developing broadband system for time and frequency transfer by VLBI technique. Currently, two compact antennas (1.6 meter and 2.4 meter, so-called MARBLE) have been installed to Japanese time keeping institutes. One is installed to AIST in Tsukuba and other is to the headquarter of NICT in Tokyo. Since our MARBLEs are too small to get fringes, broadband receiving system of VGOS is required to get higher SNR and a large dish like Kashima 34 meter is required to obtain fringes with MARBLEs. Thus, we installed a broadband system including a new feed, so-called NINJA, to Kashima 34 meter. We report the progress of our development and recent results of broadband VLBI experiments in a frequency range of 3.2 GHz to 14 GHz.

Citation

Text

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RIS

K. Takefuji, T. Kondo, H. Ujihara, M. Sekido. Broadband System from 3.2 GHz to 14.4 GHz at Kashima Space Technology Center // Transactions of IAA RAS. — 2017. — Issue 41. — P. 127-130.

@article{takefuji2017,
  abstract = {We have been developing broadband system for time and frequency transfer by VLBI technique. Currently, two compact antennas (1.6 meter and 2.4 meter, so-called MARBLE) have been installed to Japanese time keeping institutes. One is installed to AIST in Tsukuba and other is to the headquarter of NICT in Tokyo. Since our MARBLEs are too small to get fringes, broadband receiving system of VGOS is required to get higher SNR and a large dish like Kashima 34 meter is required to obtain fringes with MARBLEs. Thus, we installed a broadband system including a new feed, so-called NINJA, to Kashima 34 meter. We report the progress of our development and recent results of broadband VLBI experiments in a frequency range of 3.2 GHz to 14 GHz.},
  author = {K. Takefuji and T. Kondo and H. Ujihara and M. Sekido},
  issue = {41},
  journal = {Transactions of IAA RAS},
  keyword = {VLBI, VGOS},
  pages = {127-130},
  title = {Broadband System from 3.2 GHz to 14.4 GHz at Kashima Space Technology Center},
  url = {http://iaaras.ru/en/library/paper/1719/},
  year = {2017}
}

TY  - JOUR
TI  - Broadband System from 3.2 GHz to 14.4 GHz at Kashima Space Technology Center
AU  - Takefuji, K.
AU  - Kondo, T.
AU  - Ujihara, H.
AU  - Sekido, M.
PY  - 2017
T2  - Transactions of IAA RAS
IS  - 41
SP  - 127
AB  - We have been developing broadband system for time and frequency
transfer by VLBI technique. Currently, two compact antennas (1.6
meter and 2.4 meter, so-called MARBLE) have been installed to
Japanese time keeping institutes. One is installed to AIST in Tsukuba
and other is to the headquarter of NICT in Tokyo. Since our MARBLEs
are too small to get fringes, broadband receiving system of VGOS is
required to get higher SNR and a large dish like Kashima 34 meter is
required to obtain fringes with MARBLEs. Thus, we installed a
broadband system including a new feed, so-called NINJA, to Kashima 34
meter. We report the progress of our development and recent results
of broadband VLBI experiments in a frequency range of 3.2 GHz to 14
GHz.
UR  - http://iaaras.ru/en/library/paper/1719/
ER  -