[MHml] Multihulls Digest, Vol 30, Issue 10

[TLam45387 at aol.com]

Peter,

I think there is a good solution but it may not yet be on the market.   The 
solution is to have a normal radar set with an "object within radius" audible 
alarm.   The radius might be set to say 5 miles.   The missing feature is to 
have the radar "go to sleep" for most of the time and only process a single 
sweep every 5   to 10 minutes.   This "Part Time Radar Watch" could be implimented 
in most new sets with no added cost to manufacture.

With solid state sets this is sismply a matter of programming a timer and the 
power savings would be on the order of 95% compared to a set continuously on 
and maintaining an alarm full time. 

> G'day all
> 
> In an ongoing discussion of watchkeeping on an other forum I read, the
> subject of active / passive warning devices came up. There does not seem to
> be any device that can be relied upon to help the solo voyager avoid those
> other 'ships passing in the night' (Except for the 'Screaming Meanie' to
> wake you up every 15 minutes)
> 
> 
> 

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