Articles:

 

Blue Water Sailing

Sailing Navigation Secrets – How to Use the Power of Magic RACONs (to see the article, click on the title)

It mentions how sailing heeled over may limit your signal reception. 

"The distance of sighting a RACON signal will be limited to the height of your radar antenna and power of your radar unit. Sailing heeled over will limit signal reception."

This can be avoided if you are using a Questus Marine Self-Leveling Radar Mount - you will pick up the targets as the radome will stay level with the horizon.

 

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