In article ,
larry wrote:
....
Noone is going to run a radar transponder and radar on the same boat.

Is it?

... but sure more than enough
power to set off a transponder, even if you put the damned antenna in the
BILGE!

Of course, but so what. I cannot see anything with my radar up to some
15 metres anyway (assuming 50 ns pulse). The key is if it still responds
to other radars.

What a crazy idea....

Why? The radar expands what I see, and the transponder expands, what
others with a radar see.

I have seen how unreliable echos from glass fibre reinforced polyester
boats are (and how unreliable echos at least smaller passive radar
reflectors of the 90° aluminum sheets type give on quiet waters).

Small wonder aircraft all have a transponder.

Marc

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