Len wrote:
Apart from 3 hr watches, intense lookout every 15 minutes, radar on
standby we use AIS. For no more than 200 euro's I bought an
AIS-receiver, a dedicated vhf-antenna and I plugged it in a serial
port on my 1 amp computer.

That's a great idea. What was the name and make of the AIS receiver you
bought?

TIA,

Jack