# Solrad 7A

> Solar X-ray monitoring satellite

**Wikidata**: [Q9339407](https://www.wikidata.org/wiki/Q9339407)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/SOLRAD_7A)  
**Source**: https://4ort.xyz/entity/solrad-7a

## Summary
Solrad 7A was a Solar X-ray monitoring satellite launched on January 11, 1964, as part of the Solrad series. It was also classified as a reconnaissance satellite, suggesting it may have had dual civilian and military applications. The satellite was launched from Vandenberg Space Launch Complex 1 using a Thor-Agena D rocket.

## Key Facts
- **Launch Date**: January 11, 1964
- **Launch Vehicle**: Thor-Agena D
- **Launch Site**: Vandenberg Space Launch Complex 1
- **Classification**: Reconnaissance satellite
- **Series**: Part of the Solrad series of American satellites
- **COSPAR ID**: 1964-001D
- **SCN (NORAD ID)**: 00730
- **Aliases**: Poppy 3B
- **Primary Function**: Solar X-ray monitoring

## FAQs
### Q: What was the purpose of Solrad 7A?
A: Solrad 7A was designed to monitor solar X-rays, likely for both scientific research and potential military intelligence applications, given its classification as a reconnaissance satellite.

### Q: Which rocket launched Solrad 7A?
A: Solrad 7A was launched using a Thor-Agena D rocket from Vandenberg Space Launch Complex 1 on January 11, 1964.

### Q: Is Solrad 7A related to other reconnaissance satellites?
A: Yes, Solrad 7A is part of the Solrad series, which included other satellites with similar monitoring capabilities, though its dual classification suggests additional intelligence-related functions.

## Why It Matters
Solrad 7A played a role in early solar X-ray monitoring, contributing to scientific understanding of solar activity. Its classification as a reconnaissance satellite indicates its potential use for military or intelligence purposes, reflecting the era's dual-use satellite programs. The satellite's launch and operation were part of broader efforts to study solar phenomena while supporting national security objectives. Its inclusion in the Solrad series highlights the intersection of civilian space science and military reconnaissance during the Cold War.

## Notable For
- **Dual Classification**: Served as both a scientific monitoring satellite and a reconnaissance satellite, reflecting its potential military applications.
- **Part of the Solrad Series**: Contributed to a series of satellites focused on solar X-ray monitoring, with some classified elements.
- **Thor-Agena D Launch**: Utilized a reliable but now-retired launch vehicle for its mission.
- **Early Space-Based Monitoring**: One of the first satellites dedicated to solar X-ray observation, aiding in early space weather research.

## Body
### Mission Overview
Solrad 7A was launched on January 11, 1964, as part of the Solrad series, which aimed to study solar X-rays. The satellite's classification as a reconnaissance satellite suggests it may have been used for intelligence gathering alongside its scientific objectives.

### Launch Details
- **Launch Vehicle**: Thor-Agena D, a two-stage rocket known for its reliability in early U.S. space missions.
- **Launch Site**: Vandenberg Space Launch Complex 1, a key location for military and reconnaissance satellite launches.
- **COSPAR ID**: 1964-001D, indicating its cataloged identification in international space tracking systems.

### Classification and Function
- **Reconnaissance Satellite**: Solrad 7A was classified as a reconnaissance satellite, implying it may have been used for covert data collection.
- **Solar Monitoring**: Its primary function was to monitor solar X-rays, contributing to early space weather research.

### Legacy
Solrad 7A is part of a series of satellites that combined scientific research with potential military applications, reflecting the Cold War era's dual-use approach to space technology. Its mission, though classified in some aspects, helped advance understanding of solar activity while supporting national security objectives.

## References

1. Jonathan's Space Report