this post was submitted on 25 Jul 2025
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The Ionosfera-M n°3, 4 launch of a Soyuz 2.1b out of Site 1S, Vostochny Cosmodrome, Russia, is currently scheduled for 2025-07-25 05:54 UTC.

NextSpaceflight page

Ionosfera is a constellation of four ionospheric and magnetospheric research satellites developed by for Roscosmos for the project Ionozond.

The satellites will operate on circular sun-synchronous orbits (SSO), at altitude of about 800 km and located in two orbital planes of two satellites each.

The following science instruments are carried on the satellites:

  • SPER/1 Plasma and energy radiation spectrometer
  • SG/1 Gamma-ray spectrometer
  • GALS/1 Galactic cosmic ray spectrometer / 1
  • LAERTES On-board Ionosonde
  • NBK/2 Low-frequency wave complex
  • ESEP Ionospheric plasma energy spectrometer
  • Ozonometer-TM Ozonometer
  • MayaK On-board radio transmitters
  • PES GPS-GLONASS device

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https://bsky.app/profile/planet4589.bsky.social/post/3lus4io43i22f

LAUNCH at 0554 UTC Jul 25 of a Soyuz-2-1b/Fregat from Vostochniy with the Ionosfera-M 3 and 4 science sats and a cluster of small Russian satellites, as well as Iran's Nahid-2.

[–] verity_kindle@sh.itjust.works 0 points 6 days ago

Hope the GPS-GLONASS becomes instant space trash, as the Russians are trying to get around sanctions and set up their own networks of satellites so they can use it to guide drones to attack civilians in Ukraine.