Amelchenko, A. O. A synchronization of sessions of VLBI-observations by means of the global navigation satellite systems [Электронный ресурс] / A. O. Amelchenko, A. S. Karpichev. — (Section Tools of Modern (Radio) Astronomy). — Электрон. текстовые дан. (1 файл : 469 Кб) // The First Joint International Conference on Astrophysics for Young Scientists (JICA) [Электронный ресурс]: Oktober 3-7, 2017, Byurakan, Armenia: [book of proceedings]. – Saint-Petersburg, 2017. — Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/k17-39.pdf>. — <URL:http://doi.org/10.18720/SPBPU/2/k17-39>.
|
Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 4
|
December
|
4
|
0
|
6
|
0
|
10
|
|
Year 2018
|
Quarter 1
|
January
|
8
|
0
|
7
|
0
|
15
|
|
February
|
4
|
0
|
9
|
0
|
13
|
|
March
|
6
|
0
|
9
|
0
|
15
|
|
Quarter 2
|
April
|
6
|
0
|
3
|
0
|
9
|
|
May
|
5
|
0
|
2
|
0
|
7
|
|
June
|
10
|
0
|
9
|
0
|
19
|
|
Quarter 3
|
July
|
7
|
0
|
9
|
0
|
16
|
|
August
|
4
|
0
|
10
|
0
|
14
|
|
September
|
2
|
0
|
2
|
0
|
4
|
|
Quarter 4
|
October
|
4
|
0
|
5
|
0
|
9
|
|
November
|
2
|
0
|
3
|
0
|
5
|
|
December
|
2
|
0
|
3
|
0
|
5
|
|
Year 2019
|
Quarter 1
|
January
|
10
|
0
|
7
|
0
|
17
|
|
February
|
1
|
0
|
4
|
0
|
5
|
|
March
|
2
|
0
|
8
|
0
|
10
|
|
Quarter 2
|
April
|
1
|
0
|
16
|
0
|
17
|
|
May
|
4
|
0
|
15
|
0
|
19
|
|
June
|
1
|
0
|
14
|
0
|
15
|
|
Quarter 3
|
July
|
3
|
0
|
15
|
0
|
18
|
|
August
|
5
|
0
|
4
|
0
|
9
|
|
September
|
4
|
0
|
4
|
0
|
8
|
|
Quarter 4
|
October
|
3
|
0
|
3
|
0
|
6
|
|
November
|
0
|
0
|
1
|
0
|
1
|
|
December
|
3
|
0
|
4
|
0
|
7
|
|
Year 2020
|
Quarter 1
|
January
|
0
|
0
|
2
|
0
|
2
|
|
February
|
0
|
0
|
5
|
0
|
5
|
|
March
|
7
|
0
|
14
|
0
|
21
|
|
Quarter 2
|
April
|
5
|
0
|
0
|
0
|
5
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
1
|
0
|
0
|
0
|
1
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
1
|
0
|
0
|
0
|
1
|
|
September
|
3
|
0
|
0
|
0
|
3
|
|
Quarter 4
|
October
|
2
|
0
|
2
|
0
|
4
|
|
November
|
4
|
0
|
10
|
0
|
14
|
|
December
|
2
|
0
|
2
|
0
|
4
|
|
Year 2021
|
Quarter 1
|
January
|
4
|
0
|
3
|
0
|
7
|
|
February
|
4
|
0
|
3
|
0
|
7
|
|
March
|
1
|
0
|
4
|
0
|
5
|
|
Quarter 2
|
April
|
2
|
0
|
2
|
0
|
4
|
|
May
|
5
|
0
|
4
|
0
|
9
|
|
June
|
5
|
0
|
4
|
0
|
9
|
|
Quarter 3
|
July
|
9
|
0
|
6
|
0
|
15
|
|
August
|
5
|
0
|
7
|
0
|
12
|
|
September
|
3
|
0
|
2
|
0
|
5
|
|
Quarter 4
|
October
|
1
|
0
|
0
|
0
|
1
|
|
November
|
0
|
0
|
4
|
0
|
4
|
|
December
|
4
|
0
|
6
|
0
|
10
|
|
Year 2022
|
Quarter 1
|
January
|
2
|
0
|
4
|
0
|
6
|
|
February
|
3
|
0
|
10
|
0
|
13
|
|
March
|
4
|
0
|
2
|
0
|
6
|
|
Quarter 2
|
April
|
1
|
0
|
2
|
0
|
3
|
|
May
|
0
|
0
|
8
|
0
|
8
|
|
June
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
3
|
0
|
2
|
0
|
5
|
|
September
|
1
|
0
|
2
|
0
|
3
|
|
Quarter 4
|
October
|
1
|
0
|
3
|
0
|
4
|
|
November
|
1
|
0
|
1
|
0
|
2
|
|
December
|
9
|
0
|
2
|
0
|
11
|
|
Year 2023
|
Quarter 1
|
January
|
10
|
0
|
9
|
0
|
19
|
|
February
|
3
|
0
|
1
|
0
|
4
|
|
March
|
2
|
0
|
5
|
0
|
7
|
|
Quarter 2
|
April
|
0
|
0
|
1
|
0
|
1
|
|
May
|
3
|
0
|
1
|
0
|
4
|
|
June
|
1
|
0
|
3
|
0
|
4
|
|
Quarter 3
|
July
|
1
|
0
|
3
|
0
|
4
|
|
August
|
2
|
0
|
4
|
0
|
6
|
|
September
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 4
|
October
|
1
|
0
|
5
|
0
|
6
|
|
November
|
2
|
0
|
3
|
0
|
5
|
|
December
|
4
|
0
|
2
|
0
|
6
|
|
Year 2024
|
Quarter 1
|
January
|
1
|
0
|
0
|
0
|
1
|
|
February
|
2
|
0
|
1
|
0
|
3
|
|
March
|
3
|
0
|
1
|
0
|
4
|
|
Quarter 2
|
April
|
5
|
0
|
2
|
0
|
7
|
|
Total
|
241
|
0
|
332
|
0
|
573
|
