# CMS-01

> Indian communication satellite

**Wikidata**: [Q104502818](https://www.wikidata.org/wiki/Q104502818)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/CMS-01)  
**Source**: https://4ort.xyz/entity/cms-01

## Summary
CMS-01 is an Indian communication satellite launched by the Indian Space Research Organisation (ISRO) on December 17, 2020. It was launched aboard a Polar Satellite Launch Vehicle-XL (PSLV-XL) rocket and is designed to provide communication services across India. The satellite carries 12 extended C-band transponders to support various communication needs.

## Key Facts
- Launched on December 17, 2020, aboard a PSLV-XL rocket
- Satellite Catalog Number (SCN): 47256
- COSPAR ID: 2020-099A
- Carries 12 extended C-band transponders
- Designed to provide communication services across India
- Instance of: spacecraft
- Wikipedia available in English and Tamil languages
- Wikidata description: Indian communication satellite

## FAQs
### Q: What is CMS-01?
A: CMS-01 is an Indian communication satellite launched by ISRO on December 17, 2020. It carries 12 extended C-band transponders and is designed to provide communication services across India.

### Q: When and how was CMS-01 launched?
A: CMS-01 was launched on December 17, 2020, aboard a Polar Satellite Launch Vehicle-XL (PSLV-XL) rocket from the Satish Dhawan Space Centre in Sriharikota, India.

### Q: What are the technical specifications of CMS-01?
A: CMS-01 has a Satellite Catalog Number of 47256 and COSPAR ID of 2020-099A. It carries 12 extended C-band transponders for communication services.

## Why It Matters
CMS-01 represents India's continued advancement in space-based communication technology and infrastructure. As a dedicated communication satellite, it plays a crucial role in enhancing India's communication capabilities, particularly in remote and rural areas where terrestrial infrastructure may be limited. The satellite's extended C-band transponders enable it to provide reliable communication services for various applications including television broadcasting, internet services, and emergency communications. By launching CMS-01, ISRO demonstrates India's growing self-reliance in space technology and its commitment to using space assets for national development. The satellite's successful deployment also contributes to India's space program's track record of cost-effective and reliable satellite launches, strengthening its position in the global space industry.

## Notable For
- First communication satellite launched by ISRO in 2020
- Successfully deployed using the reliable PSLV-XL launch vehicle
- Provides extended C-band coverage across the Indian subcontinent
- Part of India's growing fleet of indigenous communication satellites
- Demonstrates ISRO's capability in designing and launching communication satellites

## Body
### Launch and Mission Details
CMS-01 was launched on December 17, 2020, at 10:11 UTC from the Satish Dhawan Space Centre in Sriharikota, India. The launch vehicle used was the Polar Satellite Launch Vehicle-XL (PSLV-XL), which is one of ISRO's most reliable and frequently used rockets. The mission was designated PSLV-C50, marking it as the 52nd flight of the PSLV and the 22nd flight of the PSLV-XL configuration.

### Technical Specifications
The satellite has a mass of approximately 1,410 kg and is based on ISRO's I-2K bus. It is equipped with 12 extended C-band transponders, which operate in the frequency range of 3700-4200 MHz for uplink and 5925-6425 MHz for downlink. The satellite's coverage extends across the Indian mainland, Andaman and Nicobar Islands, and Lakshadweep Islands.

### Operational Capabilities
CMS-01 is designed to provide various communication services including:
- Direct-to-Home (DTH) television services
- Very Small Aperture Terminal (VSAT) services
- Tele-education and telemedicine applications
- Disaster management support
- Satellite internet services in remote areas

The satellite's extended C-band coverage ensures better signal quality and reliability, especially in adverse weather conditions, making it suitable for critical communication needs across India's diverse geographical landscape.

## References

1. Jonathan's Space Report