Join Date: Feb 2010
Location: Narragansett Bay
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Re: Anchor Drag Alarm
My current fav anchor alarm on the iPad is Boat Monitor R. Don't ask me what the R stands for, but they have a few different appendages.
For starters, I find it critical that an anchor alarm allows you to "set" the anchor at a distance and bearing from the iPad itself, because it will always be well ahead of you. This way, the program knows the point at which you will swing around and your protected range is true in all directions.
Boat Monitor also provides a graphic display with a trail ling showing where you've been. This is particularly helpful right after you set the anchor to see if you're dragging, despite whether you trip the alarm. What I really love is it will send you a text message, if you go ashore and trip the alarm. You can also sign onto a website from shore and see the same graphic that is being displayed on your device on the boat. Way cool !!
Previously I used Anchor Watch. It was good too, but only notified you ashore via email. I prefer the text. It also did not have a companion website to access. I looked for the one I use above, when a version upgrade came through and messed it up. But, it does seem to work again.
Both stay on all night and don't use up much battery, if you shut the screen off. I keep my iPad right next to my bunk. Boat Monitor will, however, discontinue sending updates over the internet after some number of hours. If I'm on the boat, I always choose the Offline mode, so that's not an issue.
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In the harsh marine environment, something is always in need of repair. Margaritas fix everything.