Yes, it is the station reportedly used by India to talk to its submarines

73
Andre'

Rik Strobbe wrote:

>Regarding non-amateur CW cignals heard on LF, this morning at
>about 1015utc, on 18.20kHz I was suprised to hear VVV VVV VVV
>VTX3 several times, interspersed with figures and letter groups, all
>in plain CW. The signal was about 569. I am sure someone has
>mentioned this station before, but can't think where - any ideas?

If VTX3 is a callsign according ITU regulations it is from India ...
talking about LF DX !

73, Rik  ON7YD