Hi, thats a helical antenna primarily disigned for the top of a mast. I would worry abount an antenna on a console, where it could interfere with other electronic gear and easily be touched. RF burns are painful
![eek](https://www.rib.net/forum/images/smilies/eek.gif)
and @ 25w very possible. Been there had that at ham frequencies, not a million miles away from marine frequencies.