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Re: [HCDX] Morse code transmission on 369KHZ -Singapore. Please help to identify. Morse code- TSM
> Please help me to identify the station transmitting the " Dash Dot
> dot dot Dash Dash" on 369 KHZ at 1100hrs UTC.
Hi, I guess that is the NDB (non-directional beacon) "BM" on Batam Island, Indonesia, very close to Singapore. Its carrier frequency is 370 kHz so you would hear its morse ID on 369. The letters BM are hard to distinguish from TSM in morse code.
Check out the NDB database at http://www.classaxe.com/dx/ndb/rww/
NDB are used in aircraft navigation, although this method of direction finding is a bit antiquated and not too precise. Better methods are available, but a lot of NDBs are still active, probably as a backup, and continue to serve as one possible field of DXing, mostly between 200 and 530 kHz.
73,
Eike
> I noticed this signal from 1100hrs UTC and continuing at 11:30hrs UTC.
>
> The letters " T S M" were broadcast in Morse code at regular intervals.
> may be once per minute.
>
> Does anyone knows what the station is doing?
>
> I am in Singapore. Is the signal from Air craft or ship?
>
> Thanks
>
> Natarajan
> 9V1AE
>
>
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