# Kosmos 545

> Soviet radar calibration satellite

**Wikidata**: [Q53596](https://www.wikidata.org/wiki/Q53596)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_545)  
**Source**: https://4ort.xyz/entity/kosmos-545

## Summary
Kosmos 545 was a Soviet radar calibration satellite launched on January 24, 1973. It belonged to the DSZ–P1–Ju class and was launched from Plesetsk Cosmodrome Site 133 using a Kosmos-2I carrier rocket.

## Key Facts
- Kosmos 545 was launched on January 24, 1973
- It has the COSPAR ID 1973-004A and SCN catalog number 06348
- The satellite was manufactured by Pivdenne Design Office
- It was launched from Plesetsk Cosmodrome Site 133 using a Kosmos-2I carrier rocket
- Kosmos 545 belongs to the DSZ–P1–Ju class of satellites
- It has 7 sitelinks across different Wikipedia language editions
- The launch occurred at 11:44:50 local time

## FAQs
### Q: What was the purpose of Kosmos 545?
A: Kosmos 545 was a Soviet radar calibration satellite designed for calibration purposes of radar systems.

### Q: When and where was Kosmos 545 launched?
A: Kosmos 545 was launched on January 24, 1973, from Plesetsk Cosmodrome Site 133 at 11:44:50 local time.

### Q: What rocket was used to launch Kosmos 545?
A: Kosmos 545 was launched using a Kosmos-2I carrier rocket, which was a superseded Soviet rocket system.

### Q: Who manufactured Kosmos 545?
A: Kosmos 545 was manufactured by the Pivdenne Design Office.

### Q: What class of satellite does Kosmos 545 belong to?
A: Kosmos 545 belongs to the DSZ–P1–Ju class of Soviet satellites.

## Why It Matters
Kosmos 545 represents an important part of Soviet space technology development during the Cold War era. As a radar calibration satellite, it played a crucial role in ensuring the accuracy and reliability of Soviet radar systems, which were vital for both military defense and scientific research. The DSZ–P1–Ju class to which Kosmos 545 belonged represents a significant category of Soviet calibration satellites that contributed to the advancement of space-based technology and testing capabilities. Launches from Plesetsk Cosmodrome, where Kosmos 545 was launched, were part of the Soviet Union's efforts to expand its space presence and capabilities beyond what was visible to Western observers.

## Notable For
- Being part of the DSZ–P1–Ju class, a specialized Soviet satellite class for radar calibration
- Its launch on January 24, 1973, during a period of significant Soviet space activity
- Its launch from Plesetsk Cosmodrome Site 133, a key Soviet launch facility
- Being manufactured by Pivdenne Design Office, a major Soviet aerospace organization
- The use of the Kosmos-2I rocket, a Soviet carrier rocket system in use at the time

## Body
### General Information
Kosmos 545 was a Soviet radar calibration satellite launched on January 24, 1973. It was cataloged under SCN number 06348 and COSPAR ID 1973-004A. The satellite belongs to the DSZ–P1–Ju class, a specific type of satellite designed for radar calibration purposes.

### Launch Details
The launch of Kosmos 545 occurred at 11:44:50 on January 24, 1973, from Plesetsk Cosmodrome Site 133. It was launched using a Kosmos-2I carrier rocket, which was a Soviet rocket system that had been in use for satellite launches. Plesetsk Cosmodrome Site 133 was one of the launch pads used for various Soviet space missions during this period.

### Technical Specifications
Kosmos 545 was manufactured by the Pivdenne Design Office, a prominent Soviet aerospace organization responsible for various spacecraft and satellite systems. As a radar calibration satellite, its primary function was to provide calibration signals for ground-based radar systems, helping to ensure their accuracy and reliability.

### Documentation and References
The satellite has 7 sitelinks across different Wikipedia language editions, including English, Spanish, Galician, Macedonian, Portuguese, Serbo-Croatian, and Serbian. It also has a Freebase ID (/m/07k8m57) for reference in various knowledge bases and databases.

### Classification and Context
Kosmos 545 is part of the broader Kosmos program, a Soviet space program that included both military and civilian satellites. The DSZ–P1–Ju class to which it belongs represents a specialized category of satellites focused on radar calibration, indicating the Soviet Union's continued development of space-based technologies for military and scientific purposes during the Cold War era.

## References

1. Jonathan's Space Report