[time-nuts] Magellan ASCII messages

[bg at lysator.liu.se]

On Sat, January 20, 2007 17:29, Bruce Lane said:
> Good day,
>
> *********** REPLY SEPARATOR  ***********
>
> On 20-Jan-07 at 14:08 bg at lysator.liu.se wrote:
>
>>On Sat, January 20, 2007 4:16, Hal Murray said:
>>>
>>>> I have discovered that the receiver, on one of its ports (the aux
>>>> port), is putting out Magellan ASCII strings prefixed with $PMGLK.
>>>
>>> Looks like NMEA stuff.
>
> 	No, NMEA messages all start with '$GP.'

Not quite correct... GP is the prefix for GPS receivers. NMEA is about
many more instruments that you connect together in a serial net onboard
your boat. There is echofinder, radar, compass, displays, velocity log,
etc that want to share/display information from the various electronic
sensors onboard boats.
>
> 	I have since found out that the 'PM' message series is a proprietary code
> dedicated to Magellan. The bad news is that Magellan no longer has any
> documentation on these codes, as they have gone to NMEA for their current
> stuff.

Magellan does not have a dedicated message prefix. They use the same as
everyone else, when they want to send stuff that does not fit into the
predefined GPS-messages. PMXXX is also NMEA, but as said a "nonstandard"
message.

--

    Björn

> 	The good news is that, at least for now, it's no longer necessary because
> I got the Odetics working (see earlier posts) by reflow-soldering the
> multi-legged fuses on the receiver board.
>
> 	Keep the peace(es).
>
>
> -=-=-=-=-=-=-=-=-=-=-=-
> Bruce Lane, Owner & Head Hardware Heavy,
> Blue Feather Technologies -- http://www.bluefeathertech.com
> kyrrin (at) bluefeathertech do/t c=o=m
> "If Salvador Dali had owned a computer, would it have been equipped with
> surreal ports?"
>
>
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