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Old 21-11-2021, 14:17   #2761
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Re: Beta Test / Technical

Originally Posted by Hakan View Post
What I can see that AIS device has no wifi support.
Your daughter's care is commendable and I do support these safety considerations.
So what's next..
Many opportunities but I list two here for now.
  1. A small Raspberry Pi running Openplotter with OpenCPN where you connect the serial to USB converter from the AIS. The RPi can act as a wifi hot spot and feed your tablets. (A fun project and you'll have learned a lot when finalized.)
  2. A simple adapter from the serial protocol of you AIS device to wifi to support your tablet(s).
For the latter option I found some examples, see below.

Now I please bare in mind i haven't tested any of the linked devise but according to the specification both would fit. If you find a similar device elsewhere take that. These are just the first I found by Google.

For the first you have to get you a serial cable with a DB9 connector in one end for the AIS and screw the wires from pin 2,3 and 5 to the plinth. Straight forward and nothing is damaged if you get pin 2 and 3 wrong at the first try.
The second can directly use a serial DB9 cable.
To be safe feed both the AIS and the adapter from the same power fuse.

The Elfin-EW10A with a 4 pin connector.

Or maybe the HF2211.

An exiting project.
Good luck.
Thank you
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Old 08-12-2021, 05:40   #2762
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Re: Beta Test / Technical

All.. for info:
I couldn't resist it so I bought one of the Elfin-EW10A. That's the one with internal antenna.
It's now bidirectional connected to a AIS class A transponder, baud rate 38400, and set up to get a DHCP IP from my local router. Easy set up via a web interface.

Just now used on three PC at home. Works fine also with the internal antenna through one floor ~20 meters away from the router.
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Old 08-12-2021, 14:36   #2763
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Location: Boston, MA
Boat: 1981 Bristol 32 Sloop
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Re: Beta Test / Technical

Thanks Steve
FS#2807 - Configuring AIS MMSI Address as MOB does not work

Originally Posted by stevead View Post
AIS/MOB Error as requested by Rick.

Refer to Flyspray item: FS#2807

Note this refers to the following dialog where my assumption is that any MMSI address tagged to be displayed as a MOB alert, is displayed as a MOB alert instead of a normal position alert.

AIS SART/MOB/EPIRB devices with the correct MMSI prefix (970/972/974) and correct Navigation Status values (14 - SART Active) are displayed correctly.
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