...
The times in the plots below are GMT. You can click on the graphs to increase their size.
mail.kipt.kharkov.ua (Kharkov Institute of Physics and Technology, Kharkiv, latitude
...
longitude 50.0867 36.2522)
Monitored from SLAC, no response since Mar 31, 2022.
...
See https://en.wikipedia.org/wiki/Battle_of_Kharkiv_(2022)
snau.edu.ua (Sumy National Agrarian University, Sumy,
...
latitude longitude 50.8817 34.7758)
See https://en.wikipedia.org/wiki/Battle_of_Sumy
...
No response between Mar 11 15:00 and Mar 12 09:00, then again betweenMar between Mar 21 04:30 and Apr 16 06:30.
...
www.onu.edu.ua (Odessa I. I. Michnikov National University, latitude longitude latitude longitude 46.4875 30.7290)
en.mdu.in.ua (Mariupol State University, Mariupol, latitude longitude 47.1021 37.52356)
The logarithmic Increase in roundtrip times starting Mar 30, 2022 and continuing through Apr 1, 2022 corresponds to the fall of most of Mariupol to Russian forces (see https://en.wikipedia.org/wiki/Siege_of_Mariupol#:~:text=The%20Siege%20of%20Mariupol%20is,of%20the%20Eastern%20Ukraine%20offensive.).
Fslavy
www.znu.edu.ua3 (Zaporizhia National University, Zaporizhia,
...
latitude longitude 47.189 35.1811)
www.dpsmu.com (Dnipro State Medical University, Dnipro,
...
latitude longitude 48.46111 35.0544)
www.krm.gov.ua (Kramatorsk City Council, Kramatorsk, latitude & longitude latitude longitude 48.7377495 37.5840575)
See https://en.wikipedia.org/wiki/Battle_of_KramatorskFmariupa
...
museum.slavyansk.online (Slavic Local History Museum, Slavyansk, latitude & longitude latitude longitude 48.8555196 37.5935091)
www.rada.com.us (Izyum Instrument-Making Plant, Izyum, latitude & longitude latitude longitude 49.1911728 37.2460882)
See https://en.wikipedia.org/wiki/Battle_of_Izium_(2022)
www.kntu.net.ua2(Kherson National Technical University, Kherson,
...
latitude longitude 46.66879 32.6354)
On Mar 2, 2022 Kherson was surrendered to the Russians. On Mar 23, 2022, Ukraine launched a counter attack(https://en.wikipedia.org/wiki/Battle_of_Kherson).
www.ksau.kherson.ua2 (Kherson State Agricultural University, Kherson,
...
latitude longitude 46.6425 32.5821)
On Mar 2, 2022 Kherson was surrendered to the Russians. On Mar 23, 2022, Ukraine launched a counter attack (https://en.wikipedia.org/wiki/Battle_of_Kherson).
www.nuos-international.com.ua (National University of Shipbuilding, Mykolaiv,
...
latitude longitude 46.9871, 31.9836)
See the Battle of Mykolaiv at https://en.wikipedia.org/wiki/Battle_of_Mykolaiv
...
The battle for Kyiv lasted from Feb 25, 2022 to Apr 2, 2022, see https://en.wikipedia.org/wiki/Battle_of_Kyiv_(2022)
ix.net.ua(Ukranian Internet Exchange, Kyiv,
...
latitude longitude 50.4359 30.4981)
The battle for Kyiv lasted from Feb 25, 2022 to Apr 2, 2022, see https://en.wikipedia.org/wiki/Battle_of_Kyiv_(2022)
ns.kiev.ua (Kyiv Navigator, Kyiv, latitude
...
longitude 50.4359 30.4981)
The battle for Kyiv lasted from Feb 25, 2022 to Apr 2, 2022, see https://en.wikipedia.org/wiki/Battle_of_Kyiv_(2022)
...
The battle for Kyiv lasted from Feb 25, 2022 to Apr 2, 2022, see https://en.wikipedia.org/wiki/Battle_of_Kyiv_(2022)
www.archangel.kiev.ua (Saint Michael's Monastery, Kyiv,
...
latitude longitude 50.4558 30.5208)
The battle for Kyiv lasted from Feb 25, 2022 to Apr 2, 2022, see https://en.wikipedia.org/wiki/Battle_of_Kyiv_(2022)
...
www.vntu.edu.ua (Vinnytsia National Technical University, Vinnytsia, latitude longitude = 49.2339 23.9287)
www.zu.edu.ua (Zhytomyr Ivan Franko State University, Zhytomyr, latitude longitude = 50.24917 28.6178)
www.wunu.edu.ua (Western Ukrainian National University, Ternopil, latitude longitude = 49.7954 27.8248)
www.vnu.edu.ua (Lesya Ukrainka Volyn National University, Luskt, latitude longitude 50.7470 25.3288)
www.ldufk.edu.ua (Lviv State University of Physical Culture, Lviv, latitude longitude 49.84115 24.0205)
...