Boat Forum / Electronics / August 2008

I have a Autohelm Tri Data log and depthsounder.
It has always been no trouble until this year when the log has been playing
up.
It started by being intermittent and now does not indicate at all in normal

I have a 1982 SFV-1 unit with 16' between the compressor and evaporator
and have just rewired it with 10AWG.
The manual states that the unit shuts down for <10.5v at the terminals
and will restart at >11.5v. Is the 11.5v measured just before the 7.6A

I'd like to wire the PA horn output from a VHF to a trigger a
tradition non-PA horn.  I would think that I could use a relay for
this but could use some guidance with respect to selecting and wiring
the right relay here.

Hi, thank you for entertaining my humble question.
I plan a near permanent 240v from land on my liveaboard, but
it has just had normal 12v engine battery put in.
Ideally, the finished system would be 12v  or 24v based, with clever

with the renewed interest in Loran (eLoran) what suggestions for picking
up a receiver? There are a bunch of them on eBay.
Any enlightenment will be appreciated.
Vic