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DCF77: Art & Standards

DCF77 is a German longwave time signal and standard-frequency radio station. It started service as a standard-frequency station on 1 January 1959. In June 1973, date and time information was added. Its primary and backup transmitters are located at 50°0′56″N 9°00′39″E / 50.01556°N 9.01083°E / 50.01556; 9.01083 in Mainflingen, about 27 km (17 mi)…

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DCF77 topic overview

The analysis highlights Art and Standards as prominent areas in the source structure around DCF77.

Related topics
77
Source areas
6
Connected nodes
83
Extracted relationships
153
Concept neighborhoods
36
Bridge connections
83

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Time code details · 22 topics
Overview · 20 topics
Accuracy · 14 topics
Signal · 13 topics
Reception area · 6 topics
Control · 2 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Location
Mainflingen longwave transmitter, Mainflingen, Germany
Began operation
1 January 1959; continuous date and time information was added in June 1973
Elevation
113 m (370 ft)
Frequency
77.5 kHz
Official range
2,000 km (1,200 mi)
Operator
Media Broadcast GmbH on behalf of the PTB

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Signal

Time code details

Reception area

Control

Accuracy

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How DCF77 connects Entity context

The extracted context around DCF77 shows recurring relationship patterns in the source. For example, DCF77 → Alfred Hüthig Verlag GmbH, Andreas, Anregung, Applikationsseiten, Archived, August, DCF77-Zeitzeichensignale, Dietze, Dr, Einfacher Empfänger, Fachzeitschrift, Funk-Technik, German, Germany, Hans, Heidelberg, ISSN, July, Jürgen, Kriedt Another extracted example is DCF77 → As, At, Bodø, D-layer, Depending, Europe, Gibraltar, Istanbul, Mainflingen, Metal, Moscow, Norway, Physikalisch-Technische Bundesanstalt, Portugal, PTB, Russia, This, Turkey, With, Within. Use these groups to spot repeated connection types before inspecting the individual relationships.

DCF77

Top relations

related to Further reading · 26
DCF77 → Alfred Hüthig Verlag GmbH, Andreas, Anregung, Applikationsseiten, Archived, August, DCF77-Zeitzeichensignale, Dietze, Dr, Einfacher Empfänger, Fachzeitschrift, Funk-Technik, German, Germany, Hans, Heidelberg, ISSN, July, Jürgen, Kriedt
related to Reception area · 20
DCF77 → As, At, Bodø, D-layer, Depending, Europe, Gibraltar, Istanbul, Mainflingen, Metal, Moscow, Norway, Physikalisch-Technische Bundesanstalt, Portugal, PTB, Russia, This, Turkey, With, Within
related to Civil protection and weather forecast signal · 17
DCF77 → As, BBK, Bevölkerungsschutz, Civil Protection, Disaster Assistance, Europe, For, German Bundesamt, German Federal Office, Katastrophenhilfe, Meteo Time GmbH, November, PTB, Since, Swiss, The, Under
related to External links · 15
DCF77 → Arduino, Code Archived, DCF, DCF77 Mainflingen, DCF77How, Ekkehard Plicht Archived, Global Frequency Database Archived, Hardware Archived, July, Official DCF77, PTBDCF77 Archived, Signal Archived, Wayback Machine, Wayback MachineMeteotimeTime, Wayback MachineTime
related to Transmission · 13
DCF77 → Braunschweig, CS1, CS2, CSF1, CSF2, German, In, Mainflingen, PTB, The, The DCF77, UTC, With
related to Time signal · 12
DCF77 → Abnormal, Announcement, Central European Summer Time, Central European Time, CEST, CET, Current, Imminent, Leap, Several, The, The DCF77
related to Future and call sign · 11
DCF77 → After, Deutschland, Europe, Frankfurt, German, Germany, In, Main, Media Broadcast GmbH, PTB, The
related to Network Time Protocol reference clock use · 10
DCF77 → DCFa, DCFp, Folge, German, ID, Network Time Protocol, PZF, REFID, Some, These
related to Reception · 8
DCF77 → As, Due, For, Further, If, Similar, Such, This
related to Amplitude modulation · 6
DCF77 → As, During, Hz, Morse, The DCF77, There

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

time signal carrier second ptb phase transmitter transmitted clocks modulation radio code bits german mainflingen used using service transmission gmbh

DCF77 relationships Subject–Predicate–Object triples

TTTA extracted 153 structured relationships around DCF77. Examples in this analysis include DCF77 → Began operation → 1 January 1959; continuous date and time information was added in June 1973 and DCF77 → Coordinates → .mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-pars…. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
DCF77Began operation1 January 1959; continuous date and time information was added in June 19731.00infobox
DCF77Coordinates.mw-parser-output .geo-default,.mw-parser-output .geo-dms,.mw-parser-output .geo-dec{display:inline}.mw-parser-output .geo-nondefault,.mw-parser-output .geo-multi-punct,.mw-pars…1.00infobox
DCF77Elevation113 m (370 ft)1.00infobox
DCF77Frequency77.5 kHz1.00infobox
DCF77LocationMainflingen longwave transmitter, Mainflingen, Germany1.00infobox
DCF77Official range2,000 km (1,200 mi)1.00infobox
DCF77OperatorMedia Broadcast GmbH on behalf of the PTB1.00infobox
DCF77Power50 kW1.00infobox
DCF77WebsiteDCF 771.00infobox
DCF77is aGerman longwave time signal and standard-frequency radio station0.90text
DCF77related to Amplitude modulationThe DCF770.60section
DCF77related to Amplitude modulationHz0.60section

Related concept clusters Concept neighborhoods

The concept neighborhoods around DCF77 bring nearby vocabulary together. In this analysis, examples include Signal, Time and Ptb. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • DCF77
    • Signal
    • Time
    • Ptb
    • Mainflingen
    • Radio
    • Clocks
    • Use
    • Accuracy
    • Information
    • Phase
    • Frequency
    • Modulation
  • dcf77
    • Signal
    • Time
    • Ptb
    • Mainflingen
    • Radio
    • Clocks
    • Use
    • Accuracy
    • Information
    • Phase
    • Frequency
    • Modulation
  • time signal
    • Time
    • Ptb
    • Code
    • Reception
    • Radio
    • Second
    • Accuracy
    • Carrier
    • Station
    • Clock
    • Mainflingen
    • Using
  • mainflingen
    • Mi
    • Braunschweig
    • Clock
    • Ptb
    • Transmitter
    • Use
    • Accuracy
    • Frequency
    • Reception
    • Signal
    • Code
    • Using
  • phase modulation
    • Phase
    • Amplitude
    • Frequency
    • Sequence
    • Transmission
    • Carrier
    • Accuracy
    • Utc
    • Use
    • Used
    • Time
    • Signal
  • daylight saving time
    • Code
    • Second
    • Accuracy
    • Bits
    • Use
    • Utc
    • Amplitude
    • Using
    • Ptb
    • Transmitted
    • Frequency
    • Reception
  • carrier signal
    • Second
    • Time
    • Ptb
    • Phase
    • Reception
    • Radio
    • Transmitted
    • Sequence
    • Carrier
    • Signal
    • Station
    • Clock
  • atomic clocks
    • Radio
    • Braunschweig
    • Clock
    • Clocks
    • German
    • Use
    • Ptb
    • Frequency
    • Used
    • Dcf77
    • Accuracy
    • Information

Connections between topic areas Semantic bridges

For DCF77, one of the stronger structural bridges in this analysis connects DCF77 with Time code details. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
DCF77 — Time code details · splits 61 ⟂ 23
DCF77 — Overview · splits 63 ⟂ 21
DCF77 — Accuracy · splits 69 ⟂ 15
DCF77 — Signal · splits 70 ⟂ 14
DCF77 — Reception area · splits 77 ⟂ 7
DCF77 — Control · splits 81 ⟂ 3

Map overview Semantic statistics

DCF77

Nodes84
Edges83
Triples153
Avg. degree1.98
Density0.02381
Components1

Source & methodology

TTTA analyzes the structure around DCF77 to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Art & Standards, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — DCF77 · EN edition · Analysis: TopicsToTalkAbout

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