# Effelsberg

*Observatory*

Effelsberg 100-m Radio Telescope

| | |
| --- | --- |
| Where it is | 50.5200° N, 6.8800° E |
| State | D |
| What is done there | radio observatory |
| Dish | 100 m |
| Still working | yes |

Test ranges, observatories and ground stations are a hand-picked list kept in this project rather than a published catalogue: no catalogue answers which of the world's thousands of observing sites belong on a map of it. The article below is what lets the choice be argued with.

## What it is

The Effelsberg 100-metre Radio Telescope is a radio telescope in the Ahr Hills (part of the Eifel) in Bad Münstereifel, Germany. Inaugurated in 1972, for 29 years the Effelsberg Radio Telescope was the largest fully steerable radio telescope on Earth, surpassing the Lovell Telescope in the UK. In 2000, it was surpassed by the Green Bank Observatory's Robert C. Byrd Green Bank Telescope in Green Bank, US, which has a slightly larger elliptical 100-by-110-metre (330 by 360 ft) aperture.

## Elsewhere

- This place on the live map: https://www.orbitalmap.space/?at=50.52,6.88
- The article this row is vouched by: https://en.wikipedia.org/wiki/Effelsberg_100-m_Radio_Telescope
- Every object: https://www.orbitalmap.space/o/
- What this site is and what it reads: https://www.orbitalmap.space/llms.txt

## Where this came from

Compiled 2026-09-17. Selected by hand for this project. Description from Wikipedia (en). Description: CC BY-SA 4.0.