Do you want to be able to receive GMDSS-DSC marine safety transmissions?
Decode GMDSS-DSC Transmissions With Your iPhone and iPad
GMDSS lets you view GMDSS-DSC marine weather transmissions on your iPhone, iPod Touch, or iPad. Just set it near a radio (or for better quality decoding, connect a cable from the radio's audio output jack to the microphone jack), tune in a GMDSS-DSC frequency, and watch the transmissions.
Now you can display these messages without buying a dedicated GMDSS-DSC receiver.
Most GMDSS-DSC transmissions are on 2187.5, 4207.5, 6312, 8414.5, 12577 and 16804.5 kHz.
You can listen to and decode this GMDSS-DSC recording as a test. Set your app to a frequency of 2220 Hz with Invert OFF.
Note that GMDSS-DSC transmissions are not continuous, so you need to wait for the station closest to you to start transmitting.
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Visit the GMDSS FAQ page for full details on how to use the app.
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Last modified March 28, 2019