Text messages are easy to send in YAAC. At the bottom of the map window is a selector to allow to specify the recipient (either from a drop-down list of stations you have heard, or just typing a callsign-SSID in), the digipeat path to use, and the text message you want to send. Then click the SND button.

If you are going to be operating on HF, there are some things you need to do to be legally compliant.

1. Go into your beacon definition and set the Initial repeat rate to zero. Yes, zero. That means no automatic beaconing (which is prohibited in the 30-meter band by FCC regulation). If you want to send a beacon, you have to manually trigger it by pressing the BCN button on the map window toolbar, every single time you want to beacon.

2. In your Direwolf configuration file, you will have to change the modem settings to use 300 baud and a 200-Hz tone spacing. Even though the symbol rate limitation has been relaxed, that is still the convention for HF APRS. Faster modem speed will just be ignored (because no one will be listening for it), and will mark you as a lid.

More information is on WA8LMF's page on HF APRS.

Hope this helps.

Andrew, KA2DDO
author of YAAC

________________________________________
From: [email protected] <[email protected]> on behalf of Niece KA1ULN via groups.io <ka1uln1@...>
Sent: Monday, February 3, 2025 8:08 PM
To: [email protected]
Subject: Re: [yaac-users] too many GPS icoms. WHY

yep tnx Drew.. that was it...

I truly appreciate it.

if you can tell me how to send messages would be the ultimate
using raspberry pi os and direwolf and YAAC. HF aprs?

Ye gads! That's four days since I fixed the problem, and people are still seeing "no name" errors, when my domain is configured to expire in 8 _hours_ to require DNS resolvers to look it up again. There were times when I was updating the DNS records in my zone rapidly for research I was doing. _Someone_ out there is ignoring the settings on my domain and caching stale information far longer than the Internet RFCs say to; it certainly isn't _my_ DNS service.

More reasons how the Internet is broken.

hartmangj, who are you using for your DNS resolver?

Andrew, KA2DDO
author of YAAC

________________________________________
From: [email protected] <[email protected]> on behalf of hartmangj via groups.io <hartmangj@...>
Sent: Monday, February 3, 2025 1:13 PM
To: [email protected]
Subject: Re: [yaac-users] Site Down?

It's working now. I was getting the site not found DNS error. I even checked with just to make sure it wasn't just me and that website said it was down too.

Now that it's back up I'm going to see if there is info on there to help me figure out how to use message filtering.

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Oops. Works fine when I use the right callsign.

Sorry about that.

Michael WA7SKG



Michael WA7SKG wrote on 2/2/25 18:17:

First thing, it's not kd2ddo.org, it's kA2ddo.org.

Try that and see if it works.

Andrew, KA2DDO

________________________________________
From: [email protected] <[email protected]> on behalf of Michael WA7SKG <wa7skg@...>
Sent: Sunday, February 2, 2025 9:17 PM
To: [email protected]
Subject: Re: [yaac-users] Site Down?

Down for me, too. As of 0216Z 2/3/2025.


Michael WA7SKG

Andrew P. via groups.io wrote on 2/2/25 17:58:

That's peculiar. I updated the security information for the domain names several days ago and it began working again immediately. What error message are you getting from your browser?

Andrew, KA2DDO
author of YAAC

________________________________________
From: [email protected] <[email protected]> on behalf of hartmangj via groups.io <hartmangj@...>
Sent: Sunday, February 2, 2025 7:35 PM
To: [email protected]
Subject: Re: [yaac-users] Site Down?

It appears that the website is still down.

Glenn, WA3Z

Down for me, too. As of 0216Z 2/3/2025.


Michael WA7SKG

Andrew P. via groups.io wrote on 2/2/25 17:58:

That's peculiar. I updated the security information for the domain names several days ago and it began working again immediately. What error message are you getting from your browser?

Andrew, KA2DDO
author of YAAC

________________________________________
From: [email protected] <[email protected]> on behalf of hartmangj via groups.io <hartmangj@...>
Sent: Sunday, February 2, 2025 7:35 PM
To: [email protected]
Subject: Re: [yaac-users] Site Down?

It appears that the website is still down.

Glenn, WA3Z

next beta build #207 of YAAC ("Yet Another APRS Client"), created 2025-Feb-01

downloadable from


changes and updates include:
1. add support for binary data files using little-endian ordering rather than
big-endian (network) byte order. This is used by certain plugins.
2. add support for arbitrary data records with position information, so
YAAC's core data analysis could work on data records provided by YAAC
plugins.
3. clean up Maven build files to reduce warnings from new stricter
build rules.
4. add the MSL to HAE translation to the TAK plugin, with a menu option for
downloading the model file from the US Government website.
5. add TAK support for most meteorological condition CoT types (at least,
the ones that have corresponding APRS symbols). Also support a few
CoT Alarm types (with the option to suppress announcing the alarms
if the Sounds plugin is installed), Map Marker types, and some "u-"
types that draw polylines on the map.
6. fix bug in TAK plugin for supporting TAKservers with multiple levels
of Certificate Authorities.
7. fix bug in TAK plugin for generating CoT equivalents of APRS position
beacons for both GPS and fixed station positions.
8. fix time and position reporting in decoded CoT messages in TAK plugin
so the messages will be displayed properly, and support non-standard
formatting of the timestamp values.

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