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## The Accuracy of VLBI Group Delay Measurement using Broadband and Narrowband Channels

Transactions of IAA RAS, issue 45, 109–119 (2018)

Keywords: VLBI, observations, group delay measurement accuracy, data acquisition system.

### Abstract

We investigated the accuracy of measuring the group delay in VLBI observations with narrowband, broadband or combine registration. The results of experimental VLBI observations confirmed the possibility of interfacing broadband and narrowband Data Acquisition Systems using the developed Digital Down Converters module.

### Citation

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L. V. Fedotov, S. A. Grenkov, A. E. Melnikov. The Accuracy of VLBI Group Delay Measurement using Broadband and Narrowband Channels // Transactions of IAA RAS. — 2018. — Issue 45. — P. 109–119. @article{fedotov2018, abstract = {We investigated the accuracy of measuring the group delay in VLBI observations with narrowband, broadband or combine registration. The results of experimental VLBI observations confirmed the possibility of interfacing broadband and narrowband Data Acquisition Systems using the developed Digital Down Converters module.}, author = {L.~V. Fedotov and S.~A. Grenkov and A.~E. Melnikov}, doi = {10.32876/ApplAstron.45.109-119}, issue = {45}, journal = {Transactions of IAA RAS}, keyword = {VLBI, observations, group delay measurement accuracy, data acquisition system}, pages = {109--119}, title = {The Accuracy of VLBI Group Delay Measurement using Broadband and Narrowband Channels}, url = {http://iaaras.ru/en/library/paper/1826/}, year = {2018} } TY - JOUR TI - The Accuracy of VLBI Group Delay Measurement using Broadband and Narrowband Channels AU - Fedotov, L. V. AU - Grenkov, S. A. AU - Melnikov, A. E. PY - 2018 T2 - Transactions of IAA RAS IS - 45 SP - 109 AB - We investigated the accuracy of measuring the group delay in VLBI observations with narrowband, broadband or combine registration. The results of experimental VLBI observations confirmed the possibility of interfacing broadband and narrowband Data Acquisition Systems using the developed Digital Down Converters module. DO - 10.32876/ApplAstron.45.109-119 UR - http://iaaras.ru/en/library/paper/1826/ ER -