| http://dbpedia.org/ontology/abstract
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Frequency of optimum transmission (FOT), i … Frequency of optimum transmission (FOT), in the transmission of radio waves via ionospheric reflection, is the highest effective (i.e. working) frequency that is predicted to be usable for a specified path and time for 90% of the days of the month. The FOT is normally just below the value of the maximum usable frequency (MUF). In the prediction of usable frequencies, the FOT is commonly taken as 15% below the monthly median value of the MUF for the specified time and path. The FOT is usually the most effective frequency for ionospheric reflection of radio waves between two specified points on Earth. Synonyms for this term include:
* frequency of optimum traffic
* optimum traffic frequency
* optimum transmission frequency
* optimum working frequencyion frequency
* optimum working frequency
, Die Frequency of optimum transmission (FOT … Die Frequency of optimum transmission (FOT, französisch fréquence optimale de travail) ist die optimale Frequenz für eine Funkverbindung auf Kurzwelle. Sie ist definiert als 85 % der Maximum Usable Frequency. Die FOT gewährt in 90 % der Zeit eine verlässliche Funkverbindung. Niedrigere Frequenzen werden an der Ionosphäre stärker gedämpft, höhere Frequenzen unter Umständen nicht mehr reflektiert.en unter Umständen nicht mehr reflektiert.
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41169
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983
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619143262
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http://dbpedia.org/resource/Lowest_usable_high_frequency +
, http://dbpedia.org/resource/Maximum_usable_frequency +
, http://dbpedia.org/resource/Ionospheric_reflection +
, http://dbpedia.org/resource/Radio +
, http://dbpedia.org/resource/Traffic +
, http://dbpedia.org/resource/Category:Radio_frequency_propagation +
, http://dbpedia.org/resource/Time +
, http://dbpedia.org/resource/Frequency +
, http://dbpedia.org/resource/Federal_Standard_1037C +
, http://dbpedia.org/resource/MIL-STD-188 +
, http://dbpedia.org/resource/Transmission_%28telecommunications%29 +
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| http://purl.org/dc/terms/subject
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http://dbpedia.org/resource/Category:Radio_frequency_propagation +
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http://dbpedia.org/resource/Frequency +
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http://en.wikipedia.org/wiki/Frequency_of_optimum_transmission?oldid=619143262&ns=0 +
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| rdfs:comment |
Die Frequency of optimum transmission (FOT … Die Frequency of optimum transmission (FOT, französisch fréquence optimale de travail) ist die optimale Frequenz für eine Funkverbindung auf Kurzwelle. Sie ist definiert als 85 % der Maximum Usable Frequency. Die FOT gewährt in 90 % der Zeit eine verlässliche Funkverbindung. Niedrigere Frequenzen werden an der Ionosphäre stärker gedämpft, höhere Frequenzen unter Umständen nicht mehr reflektiert.en unter Umständen nicht mehr reflektiert.
, Frequency of optimum transmission (FOT), i … Frequency of optimum transmission (FOT), in the transmission of radio waves via ionospheric reflection, is the highest effective (i.e. working) frequency that is predicted to be usable for a specified path and time for 90% of the days of the month. The FOT is normally just below the value of the maximum usable frequency (MUF). In the prediction of usable frequencies, the FOT is commonly taken as 15% below the monthly median value of the MUF for the specified time and path. Synonyms for this term include: and path. Synonyms for this term include:
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| rdfs:label |
Frequency of optimum transmission
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