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F2 propagation: Art, Notable F2 DX receptions & Theory
F2 propagation (F2-skip) is the reflection of VHF signals off the F2 layer of the ionosphere. The phenomenon is rare compared to other forms of propagation (such as sporadic E propagation, or E-skip) but can reflect signals thousands of miles beyond their intended broadcast area, substantially farther than E-skip. F2-skip affects the upper ends of the…
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F2 propagation topic overview
The analysis highlights Art, Notable F2 DX receptions and Theory as prominent areas in the source structure around F2 propagation.
Related topics
32
Source areas
3
Connected nodes
35
Extracted relationships
87
Concept neighborhoods
14
Bridge connections
35
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.
Notable F2 DX receptions · 16 topics
Theory · 11 topics
Overview · 5 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.
Explore all related topics Closing gaps
A structured outline of related entities, concepts and subtopics. Open any item to build a new map centered on it.
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.
Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.
How F2 propagation connects Entity context
Entity context groups extracted connections by relationship type. Counts show recurrence in the analyzed source; the examples are research signals, not claims about importance.
The extracted context around F2 propagation shows recurring relationship patterns in the source. For example, F2 propagation → AMBS ALLTV, Anthony Mann, April, ARD E2, Argentina, Australia, Australian, B1, B2, BBC, BBC Alexandra Palace, BBC's, Brisbane, Bunney, California, Canal, Crystal Palace Transmitter, Dante's Enigmatic World, December, Dubai's DCRTV Another extracted example is F2 propagation → Band, During, Es MUF, F1, F2, MHz, MHz CB, MHz TV, MHz VHF, MHz VHF TV, MUF, Multi-hop F2, Since, Solar, The, The F2 MUF, VHF, When. Use these groups to spot repeated connection types before inspecting the individual relationships.
F2 propagation
Top relations
related to Notable F2 DX receptions· 69
F2 propagation → AMBS ALLTV, Anthony Mann, April, ARD E2, Argentina, Australia, Australian, B1, B2, BBC, BBC Alexandra Palace, BBC's, Brisbane, Bunney, California, Canal, Crystal Palace Transmitter, Dante's Enigmatic World, December, Dubai's DCRTV
related to Theory· 18
F2 propagation → Band, During, Es MUF, F1, F2, MHz, MHz CB, MHz TV, MHz VHF, MHz VHF TV, MUF, Multi-hop F2, Since, Solar, The, The F2 MUF, VHF, When
Important terminology
Frequent words and multi-word phrases across the lead, headings, infobox and body. Useful for terminology coverage.
Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.
Relationships are represented as Subject → Predicate → Object triples. Confidence describes extraction strength, not the real-world importance of a relationship; lower-confidence rows may be contextual rather than explicit.
TTTA extracted 87 structured relationships around F2 propagation. Examples in this analysis include F2 propagation → related to Notable F2 DX receptions → In November and F2 propagation → related to Notable F2 DX receptions → BBC Alexandra Palace. The table shows each extracted connection, where it came from and its confidence.
Subject
Predicate
Object
Confidence
Src
F2 propagation
related to Notable F2 DX receptions
In November
0.60
section
F2 propagation
related to Notable F2 DX receptions
BBC Alexandra Palace
0.60
section
F2 propagation
related to Notable F2 DX receptions
London
0.60
section
F2 propagation
related to Notable F2 DX receptions
England
0.60
section
F2 propagation
related to Notable F2 DX receptions
B1
0.60
section
F2 propagation
related to Notable F2 DX receptions
MHz
0.60
section
F2 propagation
related to Notable F2 DX receptions
New York
0.60
section
F2 propagation
related to Notable F2 DX receptions
US
0.60
section
F2 propagation
related to Notable F2 DX receptions
In
0.60
section
F2 propagation
related to Notable F2 DX receptions
FM
0.60
section
F2 propagation
related to Notable F2 DX receptions
DX
0.60
section
F2 propagation
related to Notable F2 DX receptions
DXer Gordon Simkin
0.60
section
No triples extracted yet.
Related concept clusters Concept neighborhoods
Concept neighborhoods group terms that sit near one another in the extracted graph. They are useful for discovering adjacent language and context, but proximity does not by itself imply a factual relationship.
The concept neighborhoods around F2 propagation bring nearby vocabulary together. In this analysis, examples include Miles, Km and Broadcast. Use the clusters to find adjacent concepts and terminology that may deserve separate research.
F2 propagation
Miles
Km
Broadcast
Layer
Propagation
Signal
Reception
Vhf
Since
Mhz
Band
Channel
f2 propagation
Miles
Km
Broadcast
Layer
Propagation
Signal
Reception
Radio
Signals
Vhf
Since
Mhz
vhf
Spectrum
Reception
Signals
Tv
F2-skip
Frequency
High
Low
Muf
Amateur
Band
F2
notable f2 dx receptions
Miles
Km
Radio
Layer
Propagation
Tv
Signal
Reception
Vhf
Since
Mhz
Band
maximum usable frequency
High
Spectrum
Solar
Activity
Increases
Low
Signals
Vhf
Muf
Sunspot
Maximum
Mhz
amateur radio
Band
Radio
Tv
Mhz
Muf
Since
Solar
Television
Signals
Reception
Vhf
Low
sporadic e propagation
Miles
Broadcast
Km
Radio
Signals
Dx
Vhf
Mhz
Audio
Band
Channel
Layer
high frequency
High
Spectrum
Activity
Increases
Low
Vhf
Muf
Sunspot
Maximum
Solar
Layer
Signals
Connections between topic areas Semantic bridges
Semantic bridges connect parts of the graph that would otherwise be more separate. A bridge is a structural signal in this analysis, not a claim that the two topic areas are equivalent.
For F2 propagation, one of the stronger structural bridges in this analysis connects F2 propagation with Notable F2 DX receptions. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.
Number of nodes, edges, triples, density and central hubs. Use it to gauge the size and connectivity of the map.
F2 propagation
Nodes36
Edges35
Triples87
Avg. degree1.94
Density0.055556
Components1
Source & methodology
TTTA analyzes the structure around F2 propagation to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as Art, Notable F2 DX receptions & Theory, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.
