# Hades-D
**Wikidata**: [Q123987873](https://www.wikidata.org/wiki/Q123987873)  
**Source**: https://4ort.xyz/entity/hades-d

## Summary
Hades-D is an amateur radio satellite developed by Spain, also known by its aliases Spain-OSCAR 121, SO-121, and Hydra-1. It is classified as an amateur radio satellite, meaning it transmits signals for amateur radio enthusiasts.

## Key Facts
- **Aliases**: Spain-OSCAR 121, SO-121, Hydra-1
- **Country of origin**: Spain
- **Classification**: Amateur radio satellite
- **Sitelink count**: 1 (Wikipedia page available in German)
- **Instance of**: Amateur radio satellite

## FAQs
### Q: What is the purpose of Hades-D?
A: Hades-D is an amateur radio satellite designed to transmit signals for amateur radio operators and enthusiasts.

### Q: Who developed Hades-D?
A: Hades-D was developed by Spain, as indicated by its country of origin.

### Q: What are the other names for Hades-D?
A: Hades-D is also known as Spain-OSCAR 121, SO-121, and Hydra-1.

### Q: Is there a Wikipedia page for Hades-D?
A: Yes, there is a Wikipedia page available in German, but no other language versions are listed.

### Q: What type of satellite is Hades-D?
A: Hades-D is classified as an amateur radio satellite, meaning it is used for transmitting signals for amateur radio communication.

## Why It Matters
Hades-D plays a crucial role in the amateur radio community by providing a platform for enthusiasts to communicate using satellite technology. As an amateur radio satellite, it allows individuals to experiment with long-distance communication, test new technologies, and engage in global radio networks. Its development by Spain contributes to the global network of amateur radio satellites, fostering collaboration and innovation in the field. While its specific technical details are not widely documented, its existence highlights Spain's participation in space-based amateur radio projects, which can inspire future generations of engineers and scientists.

## Notable For
- **Amateur radio transmission**: Hades-D is specifically designed for amateur radio communication, distinguishing it from other types of satellites.
- **Multiple aliases**: Its various names (Spain-OSCAR 121, SO-121, Hydra-1) reflect its role in the amateur radio community and its classification as an OSCAR satellite.
- **Spanish contribution**: As a Spanish-developed satellite, Hades-D represents Spain's involvement in amateur radio satellite projects, contributing to global efforts in the field.
- **Limited documentation**: The lack of extensive Wikipedia coverage in multiple languages suggests that Hades-D may not be as widely recognized or studied compared to other amateur radio satellites.

## Body
### Classification
Hades-D is classified as an amateur radio satellite, a type of satellite that transmits signals for amateur radio operators. This classification is reflected in its aliases, including Spain-OSCAR 121 and SO-121, which are common designations for amateur radio satellites.

### Development
The satellite was developed by Spain, as indicated by its country of origin. Spain's involvement in amateur radio satellite projects contributes to the global network of such satellites, which are used for communication and experimentation.

### Naming and Recognition
Hades-D is also known as Hydra-1, which may refer to its role in a specific project or its classification within the amateur radio community. Its limited sitelink count (only one Wikipedia page in German) suggests that it may not be as widely recognized or documented as other amateur radio satellites.

### Role in Amateur Radio
As an amateur radio satellite, Hades-D enables enthusiasts to communicate over long distances using satellite technology. This makes it a valuable resource for amateur radio operators and a testament to Spain's contributions to the field.