Parent Layer: Marine Communication and Traffic Services

Name: MF HF Transmitter Site

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Description: MF and HF transmitter sites – this file depicts all the Medium and High Frequency towers which are specifically a transmittersite. The MCTS Centre will select these sites to transmit weather or navigational warning broadcasts or to connect ships to facilitate a ship/shore or shore/ship telephone call. MFradio telephony (voice communications) 2182 – distress and calling frequency 2582 / 2206 working or telephone service Advertised range of service is 150 nmHFDigital Selective Calling (DSC) GMDSSHFNarrow Band Direct Printing (HF-NBDP) GMDSSHFradiotelephony (voice communications) pre GMDSS distress/calling frequencies, still monitored by some administrationsHFradiotelephony (typically working frequencies or for connecting ships to the land-based telephone network) Advertised range of service is 800nm but range can vary based on the frequency (4, 6, 8, 12 MHZ), time of day, season of the yearSites d'émission MF et HF - ce fichier représente toutes les tours de moyenne et haute fréquence qui sont spécifiquement un site d'émission. Le Centre des SCTM choisira ces sites pour transmettre des bulletins d'alerte météorologique ou de navigation ou pour connecter des navires afin de faciliter un appel téléphonique navire/terre ou terre/navire. Radiotéléphonie MF (communications vocales) 2182 - fréquence de détresse et d'appel 2582 / 2206 service de travail ou de téléphone La portée annoncée du service est de 150 nmHF Appel sélectif numérique (DSC) GMDSSImpression directe à bande étroite HF (HF-NBDP) GMDSSRadiotéléphonie HF (communications vocales) fréquences de détresse/d'appel pré-GSMD, toujours surveillées par certaines administrations.Radiotéléphonie HF (généralement fréquences de travail ou pour connecter les navires au réseau téléphonique terrestre) La portée annoncée du service est de 800 nm mais la portée peut varier en fonction de la fréquence (4, 6, 8, 12 MHZ), de l'heure de la journée et de la saison de l'année.

Service Item Id: 2b65247256dc4865a382213fa59f6ff8

Copyright Text: Canadian Coast Guard - Marine Communiation and Traffic Services / Garde côtière canadienne - Services des communications et de trafic maritime

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