[aprssig] Waypoints to GPS Receiver: Navigation

[Scott Miller]

The behavior also seems to depend on whether you're using Garmin mode or 
NMEA.  The Tracker2 and the Anti-Tracker (at least to a limited extent) 
are the only devices I know of that'll do Garmin output.  I use a GPSmap 
60CS myself and it works flawlessly with the T2, though it'd be nice if 
it had more custom icons available.

Scott
N1VG

Jason Rausch wrote:
> I believe that Wes AI4PX ran into this same issue with
> him Map276C.  I think he had to badger Garmin until
> they admitted it was a problem and fixed it in a
> firmware update.
> 
> Over in the HamHUD community, we have been beta
> testing new firmware that has $GPWPL waypoint output
> for any GPS that can accept them, such as the Map60
> you have.  This is the same feature available on the
> Kenwood D7/700 radios, ADS's OpenTracker 1+ and
> Tracker2 and the obscure Anti-Tracker (which I think
> was only homebrew hardware, never in production).  I
> have been testing the new HamHUD firmware with a
> Map176C, eTrex Legend and 60cs.  All are working well
> and DO NOT append the repeated waypoint with a numeric
> identifier.  Instead, they just redraw the waypoint,
> with the same name, at the new location on the map. 
> This make mobile APRS mapping a real treat!
> 
> Jason KE4NYV
> RPC Electronics
> www.rpc-electronics.com
> HamHUD Team - www.hamhud.net
> 
> 
> --- gerheim at cox.net wrote:
> 
>> I finally have a GPS receiver that _receives_ NMEA
>> data. A little experimentation has shown that the
>> GPS receiver (GPSmap 60) attempts to uniquely name
>> each waypoint it receives, even if they come from
>> the same station/SSID.  
>>
>> For example, waypoints from WA1XYZ-15 may be named
>> "WA1XYZ 151", "WA1XYZ 154", etc...
>>
>> This leaves about 3 questions:
>> 1) Is there a way to navigate to a "moving target"? 
>> If I navigate to "WA1XYZ 151", it'll keep sending me
>> to where WA1XYZ _was_ when that waypoint was sent.  
>>
>> 2) Is there any rhyme or reason behind the naming
>> convention?  I couldn't figure any out.  The
>> characters it appended seemed to be random.  
>> 2a) How many unique names can it associate with the
>> same call/SSID? My guess is that it'll repeat or jam
>> up before it runs through the complete set of valid
>> characters.   
>>
>> 3)  Is there a way to identify the most
>> recently-received waypoint?  
>>
>>
>> --
>> -Al Gerheim
>>
>> HP-49G+ Software Page:
>> http://members.cox.net/above
>>
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