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[aprssig] Gating Objects from Internet to RF

Pete Loveall AE5PL Lists hamlists at ametx.com
Wed Jul 22 13:33:12 UTC 2009


-----Original Message-----
From: Robert Bruninga
Sent: Wednesday, July 22, 2009 8:08 AM

> I suggest: 
> HEADER:  KJ4ERJ>APELNK: 
> POSIT:   ;EL-255256*211554z5125.53NE00604.37E0
> COMMENT: PHGxxxx438.700MHz T000 off  DB0UD-R
>
> This displays on a Kenwood as:
>
> EL-123456
> 438.700MHz
> Tnnn Off  <== [Off ] is a 4 byte field, 
> DB0UD-R

> Has everything the mobiile operator needs to use the node.  On
> additional screens of the Radio, you also see the range and
> bearing, the antenna height and gain, and the source of the data
> KJ4ERJ

I agree with Bob (surprise).  The format Bob is recommending does everything needed to identify an Echolink RF node to a mobile, quickly identify the node number, identify the Echolink's callsign without "ghosting" that station, and identify the insertion "station".  As far as status meaning, that would best be answered by K1RFD.

Note that since this is insertion into APRS-IS, the insertion station can use any 1 or 2 character SSID, and it does not have to be a callsign.  For instance, EMAIL, EMAIL-2, WHO-IS, CQSRVR, WXSVR, etc. denote specialty servers.  You could use ECHOSVR or ELINK, for instance (callsigns on APRS-IS are limited to a total of 9 characters including SSID).  Do not use E-LINK because LINK is not a valid SSID and E is not a valid callsign (LINK is more than 2 characters, E is only one character where at least 3 are required).

Hope this helps.

73,

Pete Loveall AE5PL
pete at ae5pl dot net






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