[aprssig] Help explaining packets

[Ken Brown]

Pete,

 

That is correct.  I am using UIView32 without any changes to the I-gate/RF
function.  It is set to gate to RF only those packets for stations heard
directly on RF.   For example, my current local list includes W2MER, the
pinged station in question:

 

"2005-May-10 23:20 10 Stations Heard Direct

------------------------------------------

Callsign    Type       Latitude   Longitude    Miles  Bearing  Last Heard

--------    ----       --------   ---------    -----  -------  ----------

 K3JF-15    (T) Digi   40.50.56N  074.39.50W    11.4     60   May 10 23:13

 KB2TSV-15  (T) Digi   39.58.13N  074.38.34W    55.6    169   May 10 23:12

-KC2CMC     Home       40.28.10N  074.51.15W    20.1    181   May 10 23:10

-KC2CMC-2   WX Station 40.33.16N  074.54.15W    14.6    192   May 10 23:09

 KC2RLM     Home       40.44.20N  074.25.04W    22.6     94   May 10 20:53

 N2QAE      WX Station 40.48.72N  074.47.07W     4.9     42   May 10 23:15

 N3FJA-1    (W) Digi   41.10.57N  075.52.21W    60.8    299   May 10 23:08

-NY2M       Home       40.36.69N  074.10.05W    37.1    106   May 10 23:14

+W2KB       WX Station 40.45.56N  074.50.80W     0.0      0   May 10 23:17

 W2MER      EOC        40.16.43N  074.40.91W    34.6    165   May 10 23:14

 

Key:   '+' = UI-View user   '*' = heard via a digipeater"

 

73, --Ken W2KB

 

 

-----Original Message-----
From: aprssig-bounces at lists.tapr.org [mailto:aprssig-bounces at lists.tapr.org]
On Behalf Of AE5PL Lists
Sent: May 10, 2005 22:44
To: TAPR APRS Mailing List
Subject: RE: [aprssig] Help explaining packets

 

> -----Original Message-----

> From: Andre PE1RDW

> Posted At: Tuesday, May 10, 2005 4:17 PM

> Subject: Re: [aprssig] Help explaining packets

> 

> >W2KB>APU25N,KB2EAR-1*,WIDE3-2:}W0SNJ>APX150,TCPIP,W2KB*::W2ME

R  :PING1,PING1, PING1{09}

> >W2KB>APU25N,KB2EAR-1,N3XKU-15*,WIDE3-1:}W0SNJ>APX150,TCPIP,W2

KB*::W2MER    :PING1, PING1, PING1{09}

> >

> this seems very odd to me, on closer examination of these 

> packets it seems W2KB is putting the franes into APRS-IS (his 

> call is after TCPIP) and then gates it back to rf.

> This is not normal behavior of any igate including ui-view.

 

No, this is the proper formatting for a gated packet.  Refer to the

third-party packet specification for more information.  You have the

AX.25 header (W2KB>APU25N,WIDE3-3) and the third-party header

(W0SNJ>APX150,TCPIP,W2KB*).  The third-party header indicates that the

packet came from APRS-IS (TCPIP) and was gated to RF by W2KB.  This is

all correct.

 

73,

 

Pete Loveall AE5PL

mailto:pete at ae5pl.net 

 

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