On 12/19/2010 05:44 AM, Chris Albertson wrote:
This is a marine navigation unit sold under "West Marine's" own brand
name. It looks modern and automated. Has functions on it like
"anchor drift alarm" Where you fix your location then set a radius
and if the unit moves outside the radius it beeps loudly. Just what
you'd want if your ship of dragging anchor. The unit is very small
and modern looking. It is controlled with a keypad and large LCD
screen. Zero analog knobs.
My guess is that this thing wants an active whip antenna of some kind.
There is an BNC on the back.
For longer distances I think a H-field antenna is preferred. It would
probably not be too hard to cook one up that would be suitable. The DC
bias of the BNC would be good to know in that case.
I don't think this is worth a lot of time, not if the transmitters are
gone. I thought I read they were going to continue for another 20
years.
Again, this all depends on where on this earth you are. We don't need
bomb-coordinates to help you...
Cheers,
Magnus
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