APRX and Weather Station

[kg4pid]

I will be setting up a Raspberry Pi using APRX connected to a Tiny Trak 4. I also have a Davis Vantage Pro with the APRS data logger. Is there any way of getting the weather data into APRX so that my weather reports go out on RF as well as straight to the APRS-IS? Currently the weather station is connected to a KPC3+ that works well as long as a digi or igate hears me but sometimes that fails due to distance. I know that I can connect the weather station directly to the second port on the TT4 but that puts me back to where I am now, with weather reports only going out on RF.

[Liz VK2XSE]

This isn't the best answer, but after my weather packets go out to
APRS-IS and come back to aprx, I transmit them.
from aprx.conf

<source> # APRSIS source adds a TX-IGATE behaviour
source APRSIS
relay-type third-party # Must define this for APRSIS
source!
viscous-delay 5 # Recommendation: 5 seconds delay to give
# # # RF delivery time make itself known.

filter "b/VK2XSE" #My WX packets
</source>

[kg4pid]

That would work, if I could get my reports to the SPRD-IS.

 

Max KG4PID

[kg4pid]

That should have read APRS-IS.

Max KG4PID

[Liz]

> --
>
>

http://www.wviewweather.com/ is supported on armel by debian.
I trialled installing it once and it installed a replacement mail
server on my main server, and that was the end of my experiment with
wview.
http://www.joejaworski.com/weather/ looks more hopeful. If you can get
it to write the required text file on your RPi you can read that with
aprx and then transmit.

I'm not using a Davis station, and it is connected to my main server,
not the pogoplug I use for aprx.

[kg4pid]

For those that are not familiar with the APRS data logger it outputs a string that looks like this

"@302319z3417.45N/08742.32W_.../...g...t030r000p000P000h94b10288.DsVP"

 

It just needs the normal APRS header added to it. 

 

Max KG4PID

[Svend Stave]

Hi,

 

I took your string:

@302319z3417.45N/08742.32W_.../...g...t030r000p000P000h94b10288.DsVP

Put it in a file /tmp/wxbeacon.txt

Then edited aprx.conf to beacon:

beacon file /tmp/wxbeacon.txt

 

then I get this in the aprx-rf.log:

2013-01-01 17:01:31.392 OZ4DIQ-1  T OZ4DIQ-1>APRX26:@302319z3417.45N/08742.32W_.../...g...t030r000p000P000h94b10288.DsVP

 

And on aprs.fi it looks like:

2013-01-01 18:01:31 CET: OZ4DIQ-1>APRX26,TCPIP*,qAC,T2DENMARK:@302319z3417.45N/08742.32W_.../...g...t030r000p000P000h94b10288.DsVP

 

Apart from the location change too fast due to coordinates it looks ok to me…..

 

Check the aprx manual, beacon section.

I hope this can do what you want… just update the wxbeacon.txt file with a new line and remember to consider the beacon cycle, you can add extra “beacon file….” lines in aprx.conf to increase frequency without increasing the usual beacons frequency.

 

73 de OZ1EKD

--
 
 

[kg4pid]

Since this is a weather report that gets updated every 10 minutes, I need a way of automating the updating of this wxbeacon.txt file. I guess whats need now is a program that can take serial input and update this file. Thanks for your help on this problem. Maybe someone else knows of a program that can do this updating.

 

Max KG4PID

[KJ4AJP]

Is this still working for you with 2.07.539?  I'm unable to get APRX to reverse gate b/call and o/object.
--
Roger  KJ4AJP

******************************

On Monday, December 31, 2012 8:47:20 PM UTC-6, Liz VK2XSE wrote:

[Bob Holowenko]

Is anyone able to share a copy of this file so that I can understand the formatting?

Regards,

[David Andrzejewski]

I wrote a quick and dirty Python script to do this a while back, it parsed the data file from software called WUHU and constructed a weather packet that was then used in aprx.

The code is here: https://github.com/dandrzejewski/wxaprs

It's barely documented and quickly thrown together... but it was working when we had it running.  You might be able to use this as a starting point.

- Dave

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