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FREQUENCE MAXIMALE UTILISABLE [3 records]
Record 1 - internal organization data 2025-04-07
Record 1, English
Record 1, Subject field(s)
- Telecommunications Transmission
- Military Communications
- Waveguides
Record 1, Main entry term, English
- maximum usable frequency
1, record 1, English, maximum%20usable%20frequency
correct, noun, NATO, standardized
Record 1, Abbreviations, English
- MUF 2, record 1, English, MUF
correct, noun, NATO, standardized
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
In radio transmission, maximum usable frequency (MUF) is the highest radio frequency that can be used for transmission between two points on Earth by reflection from the ionosphere ... at a specified time, independent of transmitter power. This index is especially useful for shortwave transmissions. 3, record 1, English, - maximum%20usable%20frequency
Record number: 1, Textual support number: 2 OBS
maximum usable frequency; MUF: designations standardized by NATO. 4, record 1, English, - maximum%20usable%20frequency
Record 1, French
Record 1, Domaine(s)
- Transmission (Télécommunications)
- Transmissions militaires
- Guides d'ondes
Record 1, Main entry term, French
- fréquence maximale utilisable
1, record 1, French, fr%C3%A9quence%20maximale%20utilisable
correct, feminine noun, NATO, standardized
Record 1, Abbreviations, French
- MUF 2, record 1, French, MUF
correct, feminine noun
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
fréquence maximale utilisable : désignation normalisée par l'OTAN. 3, record 1, French, - fr%C3%A9quence%20maximale%20utilisable
Record 1, Spanish
Record 1, Campo(s) temático(s)
- Transmisión (Telecomunicaciones)
- Comunicaciones militares
- Guías de ondas
Record 1, Main entry term, Spanish
- máxima frecuencia utilizable
1, record 1, Spanish, m%C3%A1xima%20frecuencia%20utilizable
correct, feminine noun
Record 1, Abbreviations, Spanish
- MUF 1, record 1, Spanish, MUF
feminine noun
Record 1, Synonyms, Spanish
- frecuencia máxima utilizable 2, record 1, Spanish, frecuencia%20m%C3%A1xima%20utilizable
correct, feminine noun
- MUF 3, record 1, Spanish, MUF
feminine noun
- MUF 3, record 1, Spanish, MUF
Record 1, Textual support, Spanish
Record number: 1, Textual support number: 1 DEF
Frecuencia másl alta que puede ser utilizada en un momento determinado para la propagación entre dos puntos específicos mediante reflexión ionosférica. 1, record 1, Spanish, - m%C3%A1xima%20frecuencia%20utilizable
Record 1, Key term(s)
- MUF de explotación
Record 2 - internal organization data 2010-03-12
Record 2, English
Record 2, Subject field(s)
- Radio Waves
Record 2, Main entry term, English
- maximum usable frequency factor 1, record 2, English, maximum%20usable%20frequency%20factor
Record 2, Abbreviations, English
Record 2, Synonyms, English
- MUF factor 2, record 2, English, MUF%20factor
correct
Record 2, Textual support, English
Record number: 2, Textual support number: 1 CONT
Since the ionosphere lying over the great circle determines the mode of propagation, a method for determining the MUF over that path suggests itself: we must first determine the critical frequency at the midpoint of the path at a particular layer height. Knowing the path length will enable us to determine what the MUF factor will be. 3, record 2, English, - maximum%20usable%20frequency%20factor
Record 2, French
Record 2, Domaine(s)
- Ondes radioélectriques
Record 2, Main entry term, French
- facteur de fréquence maximale utilisable
1, record 2, French, facteur%20de%20fr%C3%A9quence%20maximale%20utilisable
correct, masculine noun
Record 2, Abbreviations, French
Record 2, Synonyms, French
Record 2, Textual support, French
Record 2, Spanish
Record 2, Campo(s) temático(s)
- Ondas radioeléctricas
Record 2, Main entry term, Spanish
- factor de máxima frecuencia utilizable
1, record 2, Spanish, factor%20de%20m%C3%A1xima%20frecuencia%20utilizable
correct, masculine noun
Record 2, Abbreviations, Spanish
Record 2, Synonyms, Spanish
Record 2, Textual support, Spanish
Record number: 2, Textual support number: 1 DEF
Relación entre la frecuencia máxima utilizable y la frecuencia crítica en el punto medio del salto. 1, record 2, Spanish, - factor%20de%20m%C3%A1xima%20frecuencia%20utilizable
Record number: 2, Textual support number: 1 OBS
símbolo: Md; en una transmisión de simple salto. 1, record 2, Spanish, - factor%20de%20m%C3%A1xima%20frecuencia%20utilizable
Record 3 - internal organization data 2002-12-13
Record 3, English
Record 3, Subject field(s)
- Radio Waves
Record 3, Main entry term, English
- two-control-point method
1, record 3, English, two%2Dcontrol%2Dpoint%20method
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
In ionospheric propagation over distances sufficiently long that one-hop transmission is precluded by the curvature of the Earth; an empirical method of estimating the maximum usable frequency for transmission between two points by way of a specified ionospheric layer from a knowledge of the properties of the ionosphere at the two control points. 2, record 3, English, - two%2Dcontrol%2Dpoint%20method
Record 3, Key term(s)
- two control point method
Record 3, French
Record 3, Domaine(s)
- Ondes radioélectriques
Record 3, Main entry term, French
- méthode des deux points directeurs
1, record 3, French, m%C3%A9thode%20des%20deux%20points%20directeurs
correct, feminine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Méthode empirique d’estimation de la fréquence maximale utilisable, dans la transmission entre deux points au moyen d’une couche ionosphérique donnée basée sur les propriétés de l'ionosphère en deux points directeurs; cette méthode est appliquée dans la propagation ionosphérique sur des distances suffisamment grandes pour que la courbure de la Terre exclue la transmission par un seul saut. 2, record 3, French, - m%C3%A9thode%20des%20deux%20points%20directeurs
Record 3, Spanish
Record 3, Campo(s) temático(s)
- Ondas radioeléctricas
Record 3, Main entry term, Spanish
- método de los dos puntos de control
1, record 3, Spanish, m%C3%A9todo%20de%20los%20dos%20puntos%20de%20control
correct, masculine noun
Record 3, Abbreviations, Spanish
Record 3, Synonyms, Spanish
Record 3, Textual support, Spanish
Record number: 3, Textual support number: 1 DEF
Método empírico de estimación de la frecuencia máxima útil, en la transmisión entre dos puntos por medio de una capa ionosférica determinada, basada en las propiedades de la ionosfera en dos puntos de control. 2, record 3, Spanish, - m%C3%A9todo%20de%20los%20dos%20puntos%20de%20control
Record number: 3, Textual support number: 1 OBS
En propagación ionosférica sobre distancias lo suficientemente largas para que la transmisión de un solo salto no pueda ser posible por la curvatura de tierra. 2, record 3, Spanish, - m%C3%A9todo%20de%20los%20dos%20puntos%20de%20control
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