HF Time Stations

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Visualizzazione post con etichetta weather. Mostra tutti i post
Visualizzazione post con etichetta weather. Mostra tutti i post

domenica 15 marzo 2026

Weather RTTY

 In Hamburg (Germany) there are RTTY weather stations: DDH2, DDH7, DDH8, DDH9 and DDH47.
DDH47 broadcasts on the frequency of 147.3 kHz, which is just outside the longwave broadcasting range (148.5 kHz – 283.5 kHz). It transmits weather reports, mainly for shipping, via radioteletype (RTTY) at 50 baud. The transmission of meteorological information by the German Weather Service via its RTTY transmitters DDH7, DDK2, DDK9 as well as DDH8, DDH9, and DDH47 (maritime weather service) serves exclusively the safety of shipping within the framework of the international SOLAS convention.

  • 147,3 kHzRTTY50 BdDDH4720 kW
    490,0 kHzSITOR-B100 BdDDH49
    518,0 kHzSITOR-B100 BdDDH51
    3.855,0 kHzFAXDDH310 kW
    4.583,0 kHzRTTY50 BdDDK21 kW
    5.905,0 kHzAM[1]
    6.180,0 kHzAM[1]
    7.646,0 kHzRTTY50 BdDDH71 kW
    7.880,0 kHzFAXDDK310 kW
    10.100,8 kHzRTTY50 BdDDK910 kW
    11.039,0 kHzRTTY50 BdDDH910 kW
    11.638,0 kHzRTTY50 BdDDK8
    13.882,5 kHzFAXDDK610 kW
    14.467,3 kHzRTTY50 BdDDH81 kW
    15.988,0 kHzRTTY50 BdDDK7


        DDH 47 147.3 kHz:Decoding:MULTIPSK

martedì 10 marzo 2026

Weatherfax (WEFAX)

Weatherfax, is used to transmit weather charts and forecasts over shortwave. Ships equipped with a receiver can automatically download synoptic charts, surface analysis, and storm warnings directly from meteorological stations. These transmissions typically occur on HF bands, allowing reception over long distances, which is crucial for ocean-going vessels. Weatherfax provides mariners with detailed graphical weather information to support route planning and enhance safety at sea.

 

Hamburg DDH/K

3855, 7880, 13882, 15988 kHz 


             Example:
 

 

Chiusura stazione di tempo CHU

 La stazione di tempo CHU ha chiuso oggi 22 Giugno 2026 alle 14.10 Le sue frequenze erano 3330, 7850, e 14670 MHz. Nel 1923 il Dominion Obse...