# Lincoln Calibration Sphere 1

> satellite used for RADAR calibration

**Wikidata**: [Q11756908](https://www.wikidata.org/wiki/Q11756908)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Lincoln_Calibration_Sphere_1)  
**Source**: https://4ort.xyz/entity/lincoln-calibration-sphere-1

## Summary
Lincoln Calibration Sphere 1 is a passive satellite launched on May 6, 1965, from Cape Canaveral Space Launch Complex 20. It was specifically designed for RADAR calibration. As a passive satellite, it is an inert object that does not generate or emit energy.

## Key Facts
*   Lincoln Calibration Sphere 1 was launched on May 6, 1965.
*   It is a satellite used for RADAR calibration.
*   The satellite is classified as a passive satellite, meaning it is an inert satellite that does not generate or emit energy.
*   It was launched from Cape Canaveral Space Launch Complex 20.
*   The launch vehicle used was a Titan IIIA.
*   Its SCN (Satellite Catalog Number) is 01361.
*   Its COSPAR ID is 1965-034C.
*   It has Wikipedia entries available in English, Polish, and Portuguese.

## FAQs
### Q: What is Lincoln Calibration Sphere 1?
A: Lincoln Calibration Sphere 1 is a passive satellite that was launched on May 6, 1965. Its primary purpose was to be used for RADAR calibration.

### Q: When and where was Lincoln Calibration Sphere 1 launched?
A: Lincoln Calibration Sphere 1 was launched on May 6, 1965. The launch occurred from Cape Canaveral Space Launch Complex 20.

### Q: What type of satellite is Lincoln Calibration Sphere 1?
A: It is a passive satellite. This means it is an inert satellite that does not generate or emit energy, serving as a non-powered object in orbit.

## Why It Matters
Lincoln Calibration Sphere 1 is significant because it served a crucial role in the advancement of RADAR technology and its applications. As a satellite specifically designed for RADAR calibration, it provided a known, stable, and predictable target in orbit. Ground-based RADAR systems could then track this inert, non-emitting object to precisely calibrate their sensors, improve accuracy, and verify performance. This capability was vital for enhancing the reliability of RADAR for various purposes, including tracking other satellites, monitoring space debris, and potentially for defense applications. By providing a consistent reference point, Lincoln Calibration Sphere 1 contributed to the development and refinement of space surveillance and tracking capabilities, ensuring that RADAR systems could accurately detect and measure objects in space. Its nature as a passive satellite meant it offered a consistent, unchanging target, free from the complexities of active signal emissions.

## Notable For
*   Its specific design and use as a satellite for RADAR calibration.
*   Being an early example of a passive satellite, which is an inert satellite that does not generate or emit energy.
*   Its launch by a Titan IIIA, a model of the Titan III launch vehicle.

## Body

### Overview
Lincoln Calibration Sphere 1 is a satellite primarily used for RADAR calibration. It is classified as a passive satellite, which means it is an inert satellite that does not generate or emit energy.

### Launch Details
*   **Launch Date**: May 6, 1965
*   **Launch Site**: Cape Canaveral Space Launch Complex 20
*   **Launch Vehicle**: Titan IIIA
*   The launch was considered a significant event.

### Identifiers and Classifications
*   **SCN (Satellite Catalog Number)**: 01361
*   **COSPAR ID**: 1965-034C
*   **Instance of**: Passive satellite
*   **Related Entities**:
    *   Passive satellite (class)
    *   Titan IIIA (class)

### Wikipedia Presence
Lincoln Calibration Sphere 1 has corresponding Wikipedia entries in the following languages:
*   English (en)
*   Polish (pl)
*   Portuguese (pt)

## References

1. Jonathan's Space Report