# direct-broadcast satellite

> satellite which sends satellite TV broadcasts for home reception

**Wikidata**: [Q721329](https://www.wikidata.org/wiki/Q721329)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Direct-broadcast_satellite)  
**Source**: https://4ort.xyz/entity/direct-broadcast-satellite

## Summary
A **direct-broadcast satellite (DBS)** is a type of communications satellite designed to transmit television broadcasts directly to consumers' homes. These satellites enable direct-to-home (DTH) satellite TV services, bypassing traditional cable or terrestrial broadcast infrastructure.

## Key Facts
- **Primary use**: Transmits satellite TV broadcasts for home reception.
- **Classification**: A subclass of **communications satellite**, which are artificial satellites designed for telecommunications.
- **Aliases**: Also known as **broadcasting satellite, DBS, Direct-to-Home (DTH), or Direct Broadcast Satellite**.
- **Examples of DBS satellites**:
  - **Astra 1P** (operated by SES, Luxembourg)
  - **Eutelsat 70D** (decommissioned geostationary satellite)
  - **Ekspress-AT1 & AT2** (Russian communications satellites)
  - **Hot Bird 13E** (geostationary communications satellite)
- **Wikidata sitelink count**: 19 (available in multiple languages, including English, German, Spanish, and Japanese).
- **Identifiers**:
  - GND ID: **4139662-5**
  - Freebase ID: **/m/0kc25**
  - JSTOR Topic ID: **direct-broadcast-satellites**

## FAQs
### Q: What is the main purpose of a direct-broadcast satellite?
A: A direct-broadcast satellite (DBS) is used to transmit television signals directly to consumers' homes, enabling satellite TV services without relying on cable or terrestrial networks.

### Q: How does a DBS differ from other communications satellites?
A: While all DBS satellites are communications satellites, they are specifically optimized for **direct-to-home broadcasting**, whereas other communications satellites may serve broader telecom needs like internet or military communications.

### Q: Are there any well-known DBS satellites?
A: Yes, examples include **Astra 1P (Luxembourg)**, **Eutelsat 70D**, and **Ekspress-AT1/AT2 (Russia)**, all of which are geostationary satellites used for TV broadcasting.

### Q: What are some alternative names for DBS?
A: DBS is also called **broadcasting satellite, Direct-to-Home (DTH), or Direct Broadcast Satellite** in different regions.

## Why It Matters
Direct-broadcast satellites revolutionized television distribution by enabling **direct-to-home (DTH) satellite TV**, eliminating the need for cable infrastructure in remote or underserved areas. Before DBS, consumers relied on terrestrial broadcasts or cable networks, which had limited reach. DBS technology allowed broader access to television programming, including high-definition and international channels, fostering global media consumption. It also played a key role in the growth of pay-TV services, offering consumers more choices and competition in the broadcasting industry. Today, DBS remains a critical component of modern television delivery, especially in regions where cable or fiber-optic networks are unavailable.

## Notable For
- **Pioneering direct-to-home TV**: Enabled consumers to receive TV signals directly via satellite dishes, bypassing traditional broadcast methods.
- **Global reach**: Facilitated the expansion of television services to remote and rural areas.
- **High-capacity broadcasting**: Supports multiple channels, including HD and 4K content, via geostationary orbits.
- **Commercial success**: Operated by major companies like **SES (Astra)**, **Eutelsat**, and **Nilesat (Egypt)**.
- **Technological standard**: Became a foundational technology for modern satellite television services worldwide.

## Body
### **Definition and Function**
A **direct-broadcast satellite (DBS)** is a specialized **communications satellite** that transmits television signals directly to end-users' satellite dishes. Unlike general-purpose communications satellites, DBS systems are optimized for **high-power broadcasting** to small receiving antennas (typically 18–24 inches in diameter).

### **Technical Specifications**
- **Orbit**: Most DBS satellites operate in **geostationary orbit** (approximately 35,786 km above the equator), allowing fixed antenna alignment.
- **Frequency Bands**: Typically use **Ku-band (12–18 GHz)** for broadcasting, though some systems may use **Ka-band** for higher capacity.
- **Signal Strength**: Designed to deliver strong signals to small dishes, unlike earlier satellites that required large institutional receivers.

### **Key Operators and Examples**
Several major companies and satellites are associated with DBS:
- **SES (Luxembourg)**: Operates the **Astra series**, including **Astra 1P**.
- **Eutelsat (France)**: Manages satellites like **Eutelsat 70D** and **Hot Bird 13E**.
- **Russian Satellite Communications Company**: Deploys the **Ekspress-AT1 and AT2** satellites.
- **Nilesat (Egypt)**: A major DBS provider in the Middle East and North Africa, founded in **1996**.

### **Historical Context**
Before DBS, satellite television required large, expensive dishes and was primarily used by broadcasters. The advent of **high-power DBS satellites** in the **1990s** made small-dish reception feasible, leading to the rise of companies like **DirecTV and Dish Network** in the U.S. and similar services worldwide.

### **Regulatory and Industry Impact**
- **Licensing**: DBS services are regulated by national and international bodies (e.g., **ITU, FCC**).
- **Market Competition**: DBS competes with cable, IPTV, and streaming services but remains dominant in areas with poor terrestrial infrastructure.
- **Decommissioning**: Some early DBS satellites, like **Eutelsat 70D** and **Hotbird 1**, have been decommissioned as newer models replace them.

## Schema Markup
```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "direct-broadcast satellite",
  "description": "satellite which sends satellite TV broadcasts for home reception",
  "url": "https://en.wikipedia.org/wiki/Direct-broadcast_satellite",
  "sameAs": [
    "https://www.wikidata.org/wiki/Q1142905",
    "https://en.wikipedia.org/wiki/Direct-broadcast_satellite"
  ],
  "additionalType": "communications satellite"
}

## References

1. Freebase Data Dumps. 2013