[aprssig] How to get new software evaluated???

Lynn W. Deffenbaugh (Mr) ldeffenb at homeside.to
Wed Dec 7 21:34:47 EST 2011

On 12/7/2011 9:20 PM, Andrew P. wrote:
> It happens that I am a professional software engineer, and employed 
> for that purpose. That means that I had to sign an employment 
> agreement granting all ownership rights in any software I create to my 
> employer, whether I create the software at work or on my own time, and 
> whether or not it has anything to do with my employer's business. I am 
> currently in negotiations with the Legal department at my employer to 
> get them to assign the rights to YAAC back to me, so I can release it 
> under the LGPL.. Looks like it's going to happen, but they aren't in 
> any hurry (no profit in it for them). I'll let everyone know as soon 
> as I own my software; I hope it's done before Legal goes on vacation 
> for the holidays.

I'm seriously glad I left a similar company back in 1995 and now have my 
own company with a single partner.  Otherwise, I'd have to have gone 
through the same thing with APRSISCE/32.

> In the meantime, I've bombproofed the code a little more and spent 
> more time writing the online help. Thanks for the suggestion, Lynn, to 
> use a full APRS-IS feed for load-testing. Seems it takes a lot of CPU 
> horsepower to process an entire hemisphere's real-time APRS traffic, 
> but I'm able to keep up now. Or are the garbaged packets I'm getting 
> caused by circular buffer overflow in the APRS-IS Tier 2 server I'm 
> connected to because I'm back-pressuring?

Anything's possible, but if you have an hourly packet counter on a full 
feed you should see rates like (for the past 8 hours) 125k, 126k, 131k, 
131k, 133k, 132k, 131k, 132k where k=1000 packets.  Firenet.us runs 
more, between 145k and 153k.  These are both with a connection to port 

But there ARE concatenated packets running around on the APRS-IS.  I've 
got a Concat trace log that shows me suspect ones and why it suspects 
them.  It's not yet detecting all of them, but at least it keeps entire 
packets from showing up as part of a message body.

Lynn (D) - KJ4ERJ - Author of APRSISCE for Windows Mobile and Win32

> Andrew Pavlin, KA2DDO
> > From: andrewemt at hotmail.com
> > To: aprssig at tapr.org
> > Date: Thu, 17 Nov 2011 20:20:31 +0000
> > Subject: [aprssig] How to get new software evaluated???
> >
> > Greetings, all (especially WB4APR).
> >
> > As promised, I have a first (very early) cut of my new APRS 
> application (currently code-named YAAC, for "Yet Another APRS Client" 
> :-) waiting to be pounded on by experts in the field. It is not ready 
> for full release quite yet (still have some source code clean-up and a 
> few missing sub-features to add), but I would like to know if I'm 
> doing the right thing or have majorly stumbled down the wrong path in 
> my development efforts.
> >
> > So, I'd be interested in having Bob (and any others in the core of 
> APRS development who are interested and have the time) take a whack at 
> using my app, and tell me where I need to improve and/or correct it 
> before I let it out to the general public.
> >
> > How is this sort of thing done here? I'm not ready to hand out 
> source code yet (the innards aren't stable enough to have others 
> tinker yet), but I can easily ship a zip file that unpacks a runnable 
> distribution.
> >
> > Known working platforms are Windows XP (NTFS filesystems only, for 
> some weird reason) and Fedora Core Linux (releases 13 and 15, with a 
> hack needed on 15). It should work on any 32-bit Windows or Linux 
> distro with Java installed, and theoretically should work on MacOSX 
> too. It can listen to APRS-IS servers, and both receive and transmit 
> through KISS (or KISSable by TNC2 command) TNC's, and listen to 
> Kenwood radios in APRS mode (Kenwood firmware doesn't seem to allow 
> transmitting APRS from the radio and a computer simultanously). It 
> also works with NMEA 0183-compliant GPS receivers (not yet with gpsd 
> in the way). App configuration is done inside the app with a 
> configuration GUI; no need to hand-edit config files.
> >
> > So, how do I get some initial alpha-test field feedback?
> >
> > Andrew Pavlin, KA2DDO
> > Sent from my Verizon Wireless BlackBerry
> >
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