# GSAT-7R

> Indian military communications satellite

**Wikidata**: [Q85762427](https://www.wikidata.org/wiki/Q85762427)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/GSAT-7R)  
**Source**: https://4ort.xyz/entity/gsat-7r

## Summary
GSAT-7R is an Indian military communications satellite developed by the Indian Space Research Organisation (ISRO) for the Indian Navy. It is designed to enhance secure communications for defense applications and replaces the older GSAT-7 satellite. Launched on November 2, 2025, it operates in geostationary orbit and is powered by two spacecraft solar arrays.

## Key Facts
- **Class**: Communications satellite and geostationary satellite
- **Operator**: Indian Space Research Organisation (ISRO)
- **User**: Indian Navy
- **Launch Date**: November 2, 2025, at 11:56 UTC from the Satish Dhawan Space Centre Second Launch Pad
- **Launch Vehicle**: Launch Vehicle Mark III (LVM3-M5)
- **Mass**: 4,410 kg (launch weight)
- **Orbit**: Geostationary orbit (satellite_of: geostationary orbit)
- **Spacecraft Bus**: I-4K
- **Service Life**: 15 years (design life)
- **Power Source**: Two spacecraft solar arrays
- **Replaces**: GSAT-7
- **Cost**: ₹15.89 billion (as of 2019)
- **Manufacturer**: U. R. Rao Satellite Centre
- **Aliases**: CMS-03

## FAQs
### Q: What is the purpose of GSAT-7R?
A: GSAT-7R is a military communications satellite designed to enhance secure communications for the Indian Navy, replacing the older GSAT-7.

### Q: Who operates GSAT-7R?
A: The satellite is operated by the Indian Space Research Organisation (ISRO) and is used by the Indian Navy.

### Q: When was GSAT-7R launched?
A: GSAT-7R was launched on November 2, 2025, at 11:56 UTC from the Satish Dhawan Space Centre Second Launch Pad.

### Q: What is the launch vehicle used for GSAT-7R?
A: The satellite was launched using the Launch Vehicle Mark III (LVM3-M5).

### Q: How long is the expected service life of GSAT-7R?
A: GSAT-7R has a design life of 15 years.

## Why It Matters
GSAT-7R is a critical asset for India's defense communications infrastructure, providing secure and reliable satellite-based communication services for the Indian Navy. Its launch marks a significant milestone for ISRO, demonstrating the organization's capability to develop and deploy advanced military satellites. The satellite's geostationary orbit ensures continuous coverage, enhancing India's strategic communication capabilities. By replacing the older GSAT-7, GSAT-7R improves communication reliability and security for defense operations, reinforcing India's technological sovereignty in space. The satellite's development and launch also highlight ISRO's role in supporting national security through space-based infrastructure.

## Notable For
- **First military communications satellite** launched by ISRO for the Indian Navy.
- **Replacement of GSAT-7**, enhancing communication capabilities for defense applications.
- **Operated by ISRO**, showcasing the organization's expertise in military satellite development.
- **Launched on LVM3-M5**, demonstrating the reliability of India's heavy-lift launch vehicle.
- **15-year design life**, ensuring long-term operational reliability.

## Body
### Overview
GSAT-7R is a communications satellite developed by the Indian Space Research Organisation (ISRO) for the Indian Navy. It serves as a replacement for the older GSAT-7, providing enhanced secure communications for defense applications. The satellite was launched on November 2, 2025, using the Launch Vehicle Mark III (LVM3-M5) from the Satish Dhawan Space Centre Second Launch Pad.

### Technical Specifications
- **Mass**: 4,410 kg (launch weight)
- **Orbit**: Geostationary orbit
- **Spacecraft Bus**: I-4K
- **Power Source**: Two spacecraft solar arrays
- **Service Life**: 15 years (design life)

### Development and Launch
- **Construction Contract**: Signed on June 11, 2019
- **Cost**: ₹15.89 billion (as of 2019)
- **Manufacturer**: U. R. Rao Satellite Centre
- **Launch Date**: November 2, 2025, at 11:56 UTC

### Significance
GSAT-7R is a critical component of India's military communications infrastructure, ensuring secure and reliable satellite-based communication services for the Indian Navy. Its launch and operation highlight ISRO's capabilities in developing and deploying advanced military satellites, reinforcing India's technological sovereignty in space. The satellite's geostationary orbit provides continuous coverage, enhancing India's strategic communication capabilities for defense operations. By replacing GSAT-7, GSAT-7R improves communication reliability and security, supporting national defense objectives. The satellite's development and launch also demonstrate ISRO's role in supporting national security through space-based infrastructure.

## References

1. [Source](https://space.skyrocket.de/doc_sdat/gsat-7r.htm)
2. [Source](https://timesofindia.indiatimes.com/india/gsat-7r-isro-launches-heaviest-commsat-from-india-navy-set-to-get-boost/articleshow/125044028.cms)
3. Jonathan's Space Report
4. Space-Track
5. [Source](https://economictimes.indiatimes.com/news/defence/navy-to-buy-rs-1589-crore-satellite-from-isro/articleshow/70283927.cms)
6. [Source](https://www.isro.gov.in/media_isro/pdf/CMS-03-LVM3M5_Brochure.pdf)