# NOAA-4

> weather satellite operated by NOAA

**Wikidata**: [Q6954806](https://www.wikidata.org/wiki/Q6954806)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NOAA-4)  
**Source**: https://4ort.xyz/entity/noaa-4

## Summary
NOAA-4 is a weather satellite operated by the National Oceanic and Atmospheric Administration (NOAA). Launched in 1974, it was designed to monitor weather and climate conditions from orbit. It was part of NOAA's early efforts to improve meteorological data collection.

## Key Facts
- **Launch Date:** November 15, 1974 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Vehicle:** Delta 2000 series rocket ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Site:** Vandenberg Space Launch Complex 2 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Operator:** National Oceanic and Atmospheric Administration (NOAA) ([reference](https://www.wikidata.org/wiki/Q328))  
- **COSPAR ID:** 1974-089A ([reference](https://www.wikidata.org/wiki/Q328))  
- **Satellite Catalog Number (SCN):** 07529 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Class:** Weather satellite ([reference](https://www.wikidata.org/wiki/Q328))  
- **Significant Event:** Rocket launch on November 15, 1974, from Vandenberg ([reference](https://www.wikidata.org/wiki/Q6272367))  

## FAQs
### Q: What was NOAA-4's primary purpose?  
A: NOAA-4 was designed to monitor weather and climate conditions, providing critical data for meteorological forecasting.  

### Q: When was NOAA-4 launched?  
A: NOAA-4 was launched on November 15, 1974, aboard a Delta 2000 rocket from Vandenberg Space Launch Complex 2.  

### Q: Who operated NOAA-4?  
A: NOAA-4 was operated by the National Oceanic and Atmospheric Administration (NOAA), a U.S. government agency focused on environmental monitoring.  

## Why It Matters  
NOAA-4 played a key role in advancing weather observation technology during the 1970s. As part of NOAA's early satellite fleet, it contributed to more accurate weather forecasting and climate monitoring, which are essential for agriculture, disaster preparedness, and scientific research. Its launch marked progress in space-based meteorological tools, paving the way for modern satellite systems that now provide real-time global weather data.  

## Notable For
- **Early NOAA Satellite:** One of the first operational weather satellites under NOAA's management.  
- **Delta 2000 Launch:** Deployed using the Delta 2000, a reliable American expendable launch system.  
- **Legacy Data:** Helped establish foundational practices for future weather satellite missions.  

## Body  
### Launch and Deployment  
- NOAA-4 was launched on **November 15, 1974**, from **Vandenberg Space Launch Complex 2**.  
- The launch vehicle was a **Delta 2000** rocket, a series known for its use in deploying satellites.  

### Technical Specifications  
- **Operator:** National Oceanic and Atmospheric Administration (NOAA).  
- **COSPAR ID:** 1974-089A.  
- **Satellite Catalog Number (SCN):** 07529.  

### Mission Role  
- Classified as a **weather satellite**, NOAA-4 was part of efforts to enhance meteorological data collection from space.  
- Contributed to early advancements in global weather monitoring systems.  

### Historical Context  
- Followed earlier ITOS (Improved TIROS Operational Satellite) missions, continuing NOAA's commitment to space-based weather observation.  
- Preceded more advanced NOAA satellites with improved imaging and sensing capabilities.

## References

1. Jonathan's Space Report