Unsigned.IO Forum

whemming

Member

Registered: 2016-12-04

Posts: 28

Re: Reply to this post!

Hello!

My name is David, KM4NKU. Been a Ham for about a year and recently been playing around with APRS on my RaspberryPi. Inspired by Mobilinkd's post on an Arduino KISS TNC, I sought to put one together for use with Xastir. Well, I kind of got it working, but then yesterday @WarHawk-AVG pointed me to this project. Let's just say I'm terribly impressed! I'm also interested in a Arduino Nano build.

Here are some packets from the TNC I had working on the breadboard yesterday:

2017-01-17 21:41:52 CST: KM4NKU>APX204,KD4PBS-3*,WIDE2-1,qAR,WB4P-10:=3554.6 N/07830.9 W-PHG2000XASTIR on Raspberry Pi
2017-01-17 21:45:20 CST: KM4NKU>APX204,W4UNC-3,WIDE1*,WIDE2-1,qAR,WB4P-10:=3554.6 N/07830.9 W-PHG2000XASTIR on Raspberry Pi
2017-01-17 21:47:12 CST: KM4NKU>APX204,W4UNC-3,WIDE1*,WIDE2-1,qAR,WB4P-10:=3554.6 N/07830.9 W-PHG2000XASTIR on Raspberry Pi

and for a while I was decoding packets, but that stopped working.

Hopefully I'll be trying the MicroModem firmware tonight

Wow, you are my neighbor!  From the calls in those packets you're in the Raleigh area.  You will notice that KD4PBS is by far the strongest APRS signal, but has been going down a lot lately.  If I recall he went down yesterday than came back up this morning.   That may explain why it stopped working.  I had the exact same issue!  It turns out that KD4PBS was just going down often LOL.  W4UNC is also hit or miss for me.   I'm located in North Raleigh.  The call is W4WHL.

Ping me, would be happy to help and/or test with you.

Regards,

William

whemming

Member

Registered: 2016-12-04

Posts: 28

Re: Reply to this post!

Looking at your APRS QTH, your only about 5-6 miles from me.

yids

Member

Registered: 2017-02-22

Posts: 1

Re: Reply to this post!

Hello,

Im yids, interested in packet radio and embedded systems. I have some questions about using the software on different avrs.

kc8bew

Member

Registered: 2017-03-01

Posts: 1

Re: Reply to this post!

Hello all,
Matthew, kc8bew, here.  I am looking into making a micro tracker kit design so I can use it to cover several requirements for some Boy Scout merit badges.  Also the easier it is the better.  The micromodem would be perfect for this!  Minimal parts and cost is under $20 so far for all parts but the radio. Plan on just using an HT as apposed to a built in radio.  Any ideas would be helpful.  Tnx.

oh7lzb

Member

Registered: 2017-05-08

Posts: 1

Re: Reply to this post!

Hi,

I'm Hessu, OH7LZB. I run the aprs.fi web site and develop the aprsc APRS-IS server software, and some other smaller pieces of code.

w5tsu

Member

From: EM15em

Registered: 2017-06-08

Posts: 1

Re: Reply to this post!

Hi, OH7LZB,  I'm W5TSU.  I worked on Xaxtar.

Has anyone heard from Mark?

Last edited by w5tsu (2017-06-13 21:28:56)

KI7IZU

Member

Registered: 2017-06-30

Posts: 2

Re: Reply to this post!

A post so nice...

KI7IZU

Member

Registered: 2017-06-30

Posts: 2

Re: Reply to this post!

...it's worth doing twice!  Name is Damon, and I'm thankful for Mark's work on this project, and whemming's work on forking the Mega (I had to rephrase that a bit, but it still comes out kinda weird...).

FlorenzW

Member

Registered: 2017-07-12

Posts: 1

Re: Reply to this post!

Hello!

My name is Florian / DG5MHF. I try to reanimate Packet Radio in my Region.

Vy73

KD2KDD

Member

Registered: 2017-09-05

Posts: 2

Re: Reply to this post!

Hi there!
To introduce yourself, just make a reply to this post

It is done

KD2KDD

Member

Registered: 2017-09-05

Posts: 2

Re: Reply to this post!

Hmm trying a general reply since I don't seem to be able to participate in the forums yet.

tuxit09

Member

Registered: 2018-01-14

Posts: 2

Re: Reply to this post!

Hello everyone, My name is TJ. from Georgia, US. - KM4PGH . Trying to make use of the LibAPRS library.

I'm trying to join the forum because I am having trouble getting my packets formed correctly. (i think) I have a Micromodem with the kiss firmware running on an IC-2300H that works great! I'm using this as one debug tool but still have not got it to receive a good packet from my modem running custom code and the LibAPRS library. In addition I have MULTIPSK sampling the modulated audio via sound card right now which is giving me my only readable output for the moment. :

AI8F de KM4PGH-9 via WIDE1-1 WIDE2-1 Ctl C UI Pid=F0 Len=80>
=5530.80N/01143.89EO{ALT      0ft SAT B 100071 H48.7% T1 64.6F T2 65.1F T3 66.2

I'm learning about the APRS formatting I understand there are other methods for handling the data but I cannot even get BasicUsage.ino to work. it compiles fine runs, outputs similar to the custom output but is not decoded by another micromodem or any other igate in the area. 

Any ideas from the above output what Is wrong?
Most of the packets I have been comparting are like SCALL-1>WIDE1 -1, WIDE2-1, etc not DCALL-0 de SCALL-1 via etc....

If I may be allowed to post elsewhere Id like to put more information up about my issue.

Thanks --TJ KM4PGH

EDIT - ADD data samples

22:06:53$ fm KM4PGH-9 to BEACON-0 via WIDE1-1,WIDE2-1 UI PID=F0
=5530.80N/01143.89EO{ALT 0ft SAT B 100057 H45.4% T1 63.8F T2 63.7F T3 64.8F     <==== taken from audio and decoded here.

07:24:50$ fm KA4EMA-3 to APU25N-0 via WIDE2-1 UI^ PID=F0
=3512.50N208516.72W#HAMILTON COUNTY ACS {UIV32N}
07:25:04$ fm W4EDP-3 to APWW10-0 via W4KCO-3,WIDE1-0,WIDE2-1 UI^ PID=F0
}W4GTA-R>APWW10,TCPIP,W4EDP-3*:@122456h3452.19N/08523.10Wr145.350 - Echolink Node #9058
07:25:24$ fm W4EDP-3 to APWW10-0 via W4KCO-3,WIDE1-0,WIDE2-1 UI^ PID=F0
}W4GZX>APWW10,TCPIP,W4EDP-3*:@122522h3508.79N/08451.65WZ(Time 0:00:00)APRSISCE/32
07:26:09$ fm WB4E-5 to S5TX9P-0 via KE4OTZ-3,WIDE1-0,W4KCO-3,WIDE2-0 UIv PID=F0
`oTVlU"P/`"7B}BCSO 364_(
07:26:45$ fm W4EDP-3 to APWW10-0 via W4KCO-3,WIDE1-0,WIDE2-1 UI^ PID=F0
}KJ4CGG-S>APDG01,TCPIP,W4EDP-3*:;KJ4CGG B *151226z3503.12ND08504.89WaRNG0001 440 Voice 446.55000MHz +0.0000MHz
07:27:15$ fm KE4IQS-0 to APU25N-0 via W4KCO-3,WIDE1-0,WIDE2-2 UI^ PID=F0
>111726zUI-View32 V2.03
07:27:21$ fm W4GZX-0 to APWW10-0 via KG4FZR-7,W4KCO-3,WIDE2-0 UI^ PID=F0
)147.18!3511.56N/08433.51WrPHG5760T118 147.180MHz +0600 WD4DES NET Th 2030

07:28:07$ fm KM4PGH-9 to BEACON-0 via WIDE1-1,WIDE2-1 UI PID=F0_
=5530.80N/01143.89EO{ALT 910ft SAT09 B 100038 H25.8% T1 54.3F T2 55.0F T3 52.5F        <=== Actually received over the air RF and decoded not aprs.fi recognized.

Last edited by tuxit09 (2018-01-15 13:45:09)

tuxit09

Member

Registered: 2018-01-14

Posts: 2

Re: Reply to this post!

A week has passed. No Activity here, I'll try e-mail in hopes for some response.

I took a couple packet samples again, using the bone stock Basic_usage sketch with the only modification being the 5v AREF and Call/Dest fields.

10:51:59$ fm KM4PGH-9 to KM4PGH-1 via WIDE1-1,WIDE2-2 UI  PID=F0
          =5530.80N/01143.89EnPHG2470LibAPRS location update
10:52:05$ fm KM4PGH-9 to KM4PGH-1 via WIDE1-1,WIDE2-2 UI  PID=F0
          :KM4PGH-2 :Hi there! This is a message.{002

Last edited by tuxit09 (2018-01-21 17:06:33)

charudatt

Member

Registered: 2018-02-21

Posts: 5

Re: Reply to this post!

Hi my call is vu2upx and I'm from India.

Joined the forum to learn a bit more in homebrewing.

I am more interested in APRS and I am following W4WHL (whemming) topic very eagerly.

Wish I have reply to rights to participate in the discussion.

Thank you.

charudatt

Member

Registered: 2018-02-21

Posts: 5

Re: Reply to this post!

Hello whemming,

In your post you said some time back, that you would be following up the progress of your APRS with Schematic and writeup details. Since I don't have reply rights, I send you the is request, here.

This is w.r.t. ARPS on ESP8266/32

vu2upx

kt6mj

Member

Registered: 2018-03-05

Posts: 1

Re: Reply to this post!

Hello, Mike KT6MJ in Sacramento.
Would like to get APRS or full TNC working on an ESP32 using internal DAC and ADC so no external devices would be necessary.
I am studying W4WHL's work trying to understand the code.

NA7Q

Member

Registered: 2018-03-06

Posts: 4

Re: Reply to this post!

Just started working on a simple arduino KISS TNC.
Trying to figure out how set the preamble and tail using the precompiled kiss images. Or even change it from the source.
"MicroAPRS supports a subset of the KISS configuration commands." But I see no information on how to set these configs. Any help would be appreciated.

Last edited by NA7Q (2018-03-06 05:00:24)

markqvist

Administrator

Registered: 2014-12-01

Posts: 123

Re: Reply to this post!

Hello to everyone new! Sorry I've been away for so long. I activated the users that were still not activated In case you missed it, you can activate yourself for general posting, by just making two posts in this thread

NA7Q

Member

Registered: 2018-03-06

Posts: 4

Re: Reply to this post!

thanks!

dobegor

Member

Registered: 2018-03-18

Posts: 2

Re: Reply to this post!

Hi!

My name is George, and I've recently found your awesome Micromodem and I would like to ask a few technical questions (rf-hardware related).
Thanks!

dobegor

Member

Registered: 2018-03-18

Posts: 2

Re: Reply to this post!

Ok, replying second time as stated

markqvist

Administrator

Registered: 2014-12-01

Posts: 123

Re: Reply to this post!

Hello George! A belated welcome Hope you find answers to your questions here

ArianaHEdwards

Member

Registered: 2018-06-21

Posts: 1

Re: Reply to this post!

I am Ariana. I am currently pursuing my study for the graduation degree. I am specializing in computer science. In this digital world, there are lot of opportunities to make career in various fields associated with computers. It is the main reason behind choosing computer science as my main. I hope I will get to learn more from here.

josefmtd

Member

Registered: 2018-07-26

Posts: 2

Re: Reply to this post!

Hi, I am Josef, and I am interested in ham radio, gonna take the test for a license soon. In the meantime, I will be only trying out LoRa, I am quite interested on APRS LoRa, and would like to create a simple prototype soon.

josefmtd

Member

Registered: 2018-07-26

Posts: 2

Re: Reply to this post!

Second reply, managed to make a poor man's copy of your RNode firmware in ATmega328p, I might make a post later containing my struggle trying to make it work.