🚀 **Upcoming Space Launch** 🚀

🌌 **Mission Name**: Soyuz 2.1b/Fregat-M | Ionosfera-M 3 & 4

🗓️ **Launch Date**: 2025-07-25T05:54:00Z

🚀 **Rocket**: Soyuz 2.1b/Fregat-M

📖 **Details**: 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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