Navtex

[tkoning]

I know it may sound back-minded but I still use Navtex and believe it is useful to get integrated into OP.

Implementation should be rather straight forward with only a filter screen for selection of broadcast areas and listing of messages.
I believe it is useful to have the latest messages available for reading when convenient. Navtex is still a good alternative/addition to listen to weather or nautical warnings on VHF. 

Benefit to having it in OP would be great.
 Please consider.

Am not sure if an additional USB receiver would be required or the AIS stick can handle Navtex as well.

I like navtex as well,  as much for the nav announcements as weather.  Getting it in might be a bit tricky though? The rtl TV  dongles are fantastic at the price but sadly don't go anywhere near enough for weatherfax let alone navtex. You can get "down converters"  on ebay which basically half the frequency of the rtl dongle,  this might not even go low enough for navtex but allows you to get weatherfax. So,  maybe others know more,  but with a dongle it's probably not really an option.  What might be possible with a rtl though,  is recieving weather satellite images.  A bit specialised but might be of interest to some further down the line.
Back to navtex,  I use fldigi on a Pi3 to recieve navtex broadcasts from a ham radio.  It works very well with Opencpn as you can copy the lat and long of a missioning  buoy or whatever from from the navtex message and paste into a waypoint properties,  right click and "paste as late and long"

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hi
a couple of years ago  i have build the elector SDR, in theory it could receive navtex ( 500 kHz) but i proved very difficult to receive any messages  If you are interesested i can send you the documentation
T