开云体育


Re: Good volume level to start with?

 

Hello,
?
I'm using the same radio on VHF for APRS and WINLINK.
If you are using the correct Digirig cable for this radio, I set my volume to 2 on the Retevis. (VOL 1 is bearly hearable). I split the audio to the Digirig and a small Kenwood speaker. I'm using Windows 11 right now and my setting for the input is set to -3,5 dB. My packets are around 50% when received by Direwolf 1.7. But sometimes the RX is not working (other question asked here in this group). So I'm not receiving packets. It has worked before. It does work perfect with Soundmodem.
?
73 Phil ON4VP


Re: Transmitting 100hz tone with dire for voice alert.

 

I understand your intent, but I recommend against it. I was strongly admonished for using a Morse ID on my digipeater.
If APRS users in your area are more tolerant, I suggest using an external tone encoder and some method to enable it during speech output. (I'm a hardware guy, the coding for this project is beyond my skill set).

Patrick (N3TSZ)


On Saturday, September 7, 2024 at 05:45:59 PM EDT, Ray Wells via groups.io <aprs@...> wrote:


This is not directed at any particular operator!

There seems to be differences of opinion on the intended purpose/application of Voice Alert. This page may clarify the function ...

Ray vk2tv

On 8/9/24 00:52, KC5L via groups.io wrote:
The idea behind Voice Alert is to only transmit PL when transmitting voice. No PL when transmitting data. Transmitting PL all the time (by using PL on the radio) would defeat the point of Voice Alert and annoy listeners using Voice Alert to filter out the data transmissions.
?
The following command will synthesize a 100Hz tone:
?
ffplay -hide_banner -nodisp -autoexit -f lavfi -i 'sine=f=100'

There is likely a way to use ffmpeg/ffplay to mix this synthesized tone with the output of espeak but I haven't been able to figure it out.
?


Re: How to change APRS-IS connection port?

 

开云体育


This isn't mentioned in the User documentation but in the sources, this is mentioned.? Give this syntax a try in the direwolf.conf file:

direwolf/src/config.c
--
/*
?* IGSERVER???????????? - Name of IGate server.
?*
?* IGSERVER? hostname [ port ]????????????????????????? -- original implementation.
?*
?* IGSERVER? hostname:port????????????????????????????? -- more in line with usual conventions.
?*/
--

--David
KI6ZHD


On 09/08/2024 04:48 AM, Douglas Pervine, N1OBU wrote:

I'm testing a local (non upstream) APRS-IS server and was advised to switch all my client connections to port 10152.? How do I configure/change that in Direwolf?? I am using 1.8D.?
?
Thanks
Doug


Re: How to change APRS-IS connection port?

 

I'm working with Javaprssrvr application.? Pete AE5PL the author of the software suggested all clients use port 10152.
?
My DW clients are feeding the local server, but regardless of the server-side filtering I try, no traffic coming out of the server except on port 10152.
?
My testing is using a local server to allow multiple RF clients (LoRa, IL2P, etc) to feed a local/rural server in case the Internet isn't available.? The server can be ran on a RPi with AREDN.


Re: How to change APRS-IS connection port?

 

The first question is, why were you advised to do that? That port number is for when you want unfiltered full-planet feeds from the APRS-IS. Do you really need that much traffic flooding into your DireWolf instance? Remember, DireWolf's purpose is to be an RF TNC; it supports I-gate connections primarily so you can _contribute_ to the APRS-IS by forwarding received RF traffic to the Internet, and optionally re-transmit Internet traffic specifically addressed to RF stations you have heard. You really don't need to hear any other Internet traffic in DireWolf. Make a connection like that in an APRS display client like APRSIS32 or YAAC if you want to see planet-level traffic, but DireWolf won't present that data in a usable form.

Andrew, KA2DDO
author of YAAC

________________________________________
From: [email protected] <[email protected]> on behalf of Douglas Pervine, N1OBU <douglas.pervine@...>
Sent: Sunday, September 8, 2024 7:48 AM
To: [email protected]
Subject: [direwolf] How to change APRS-IS connection port?

I'm testing a local (non upstream) APRS-IS server and was advised to switch all my client connections to port 10152. How do I configure/change that in Direwolf? I am using 1.8D.

Thanks
Doug


How to change APRS-IS connection port?

 

I'm testing a local (non upstream) APRS-IS server and was advised to switch all my client connections to port 10152.? How do I configure/change that in Direwolf?? I am using 1.8D.?
?
Thanks
Doug


Re: Transmitting 100hz tone with dire for voice alert.

 

Looking at more of a "on the fly" solution for changing alert messages. Since Dire does speech and the keying I was hoping it would be just already in Dire. The script solution would be a good start to the approach of implementation. Thanks for the input.


Re: Frequently setting when starting

 

Michael Durkin <Kc7noa@...> wrote:

I want to set my 897D frequency when starting direwolf inside the
direwolf conf ....
Possible?
This might work with rigctl. I doubt this will work from within the
direwolf configuration file.



Maybe even to FM
Also that should be possible, depending if the radio supports it.


-dominic

--
Do the difficult things while they are easy and do the great things while
they are small. A journey of a thousand miles must begin with a single step.
- Lao Tzu


Re: Transmitting 100hz tone with dire for voice alert.

 

开云体育

This is not directed at any particular operator!

There seems to be differences of opinion on the intended purpose/application of Voice Alert. This page may clarify the function ...

Ray vk2tv

On 8/9/24 00:52, KC5L via groups.io wrote:

The idea behind Voice Alert is to only transmit PL when transmitting voice. No PL when transmitting data. Transmitting PL all the time (by using PL on the radio) would defeat the point of Voice Alert and annoy listeners using Voice Alert to filter out the data transmissions.
?
The following command will synthesize a 100Hz tone:
?
ffplay -hide_banner -nodisp -autoexit -f lavfi -i 'sine=f=100'

There is likely a way to use ffmpeg/ffplay to mix this synthesized tone with the output of espeak but I haven't been able to figure it out.
?


Re: Transmitting 100hz tone with dire for voice alert.

 

开云体育

Maybe if you running a shared app sound device control (eg pulseaudio), just add the command to background before the espeak line;

dwespeak.sh for use with Linux:
#!/bin/bash
chan=$1
msg=$2
sleep 1
ffplay -hide_banner -nodisp -autoexit -f lavfi -i 'sine=f=100' &
espeak -v en-sc "$msg"
killall -TERM ffplay

(There are better ways to kill the process!)

Or use a playing pgm that allows a time in seconds to not exceed the longest message.

Espeak can also output to a wav file, that can be used as a mix in source later in the script etc. Also look at the amix filter for ffmpeg and possibly use stdout from espeak instead of a wav. Lots of options.

Cheers Bob VK2YQA

On 8/9/24 00:52, KC5L via groups.io wrote:

The idea behind Voice Alert is to only transmit PL when transmitting voice. No PL when transmitting data. Transmitting PL all the time (by using PL on the radio) would defeat the point of Voice Alert and annoy listeners using Voice Alert to filter out the data transmissions.
?
The following command will synthesize a 100Hz tone:
?
ffplay -hide_banner -nodisp -autoexit -f lavfi -i 'sine=f=100'

There is likely a way to use ffmpeg/ffplay to mix this synthesized tone with the output of espeak but I haven't been able to figure it out.
?


Frequently setting when starting

 

I want to set my 897D frequency when starting direwolf inside the direwolf conf ....
Possible?

Maybe even to FM

Mike


Re: Transmitting 100hz tone with dire for voice alert.

 

From the Kenwood TH-D74 manual in the APRS sections
?
?
?
VOICE ALERT
?
?
This function will notify another station as to whether or not they are within communications range by emitting beacon tones.When a Mobile Station is mobile with the Voice Alert function turned ON, other stations also with Voice Alert turned ON will hear the beacon sound of the Mobile Station if they have matching tone (CTCSS) frequencies and are within range, thus informing the stations that communications is possible.
In other words, having CTCSS on and another station sending 100 Hz on APRS, you will hear APRS, and if you both tune to the same frequency, you are withing Simplex range.? It's an odd function, but it's there.
Digipeaters should not send Pl.
?
Arnold, KQ6DI

On 09/07/2024 10:45 AM PDT kb3osp@... wrote:
?
?
Correct as dire is the digipeater having the radio with PL tone set will be pointless as it doesn't have a operator at the face of the radio with mic in hand. I want to do voice now and then for certain things and be able to use this feature in many mobile radios without hearing all the traffic though the digi. Voice alert setting in a radio like my mobile radio a Kenwood 710G will only "open" up the speaker when it hears the 100hz tone. Otherwise the radio is silent but still gets all the packet traffic but allows for you to know if another mobile or station is running voice alert by hearing the packet and you will be able to call them on the 144.39 to QSY to another frequency. Just didn't know if dire had this capability or not. I guess I will have to add something to a script or the program in development.

Jon
KB3OSP


Re: Transmitting 100hz tone with dire for voice alert.

 

Correct as dire is the digipeater having the radio with PL tone set will be pointless as it doesn't have a operator at the face of the radio with mic in hand. I want to do voice now and then for certain things and be able to use this feature in many mobile radios without hearing all the traffic though the digi. Voice alert setting in a radio like my mobile radio a Kenwood 710G will only "open" up the speaker when it hears the 100hz tone. Otherwise the radio is silent but still gets all the packet traffic but allows for you to know if another mobile or station is running voice alert by hearing the packet and you will be able to call them on the 144.39 to QSY to another frequency. Just didn't know if dire had this capability or not. I guess I will have to add something to a script or the program in development.

Jon
KB3OSP


Re: Transmitting 100hz tone with dire for voice alert.

 

The idea behind Voice Alert is to only transmit PL when transmitting voice. No PL when transmitting data. Transmitting PL all the time (by using PL on the radio) would defeat the point of Voice Alert and annoy listeners using Voice Alert to filter out the data transmissions.
?
The following command will synthesize a 100Hz tone:
?
ffplay -hide_banner -nodisp -autoexit -f lavfi -i 'sine=f=100'

There is likely a way to use ffmpeg/ffplay to mix this synthesized tone with the output of espeak but I haven't been able to figure it out.
?


Re: Transmitting 100hz tone with dire for voice alert.

 

PL from the radio is what I also use.? I believe this is the way it was intended to be implemented.
Arnold, KQ6DI

On 09/07/2024 3:45 AM PDT Charles J. Hargrove <n2nov@...> wrote:
?
?
Why not just use the PL tone of the radio?
?
On 9/7/2024 1:40 AM, Bob Cameron wrote:
containing the 100Hz tone
?
--
Charles J. Hargrove - N2NOV
NYC-ARECS/RACES Citywide Radio Officer/Skywarn Coord.
?
?


Re: Transmitting 100hz tone with dire for voice alert.

 

Why not just use the PL tone of the radio?

On 9/7/2024 1:40 AM, Bob Cameron wrote:
containing the 100Hz tone
--
Charles J. Hargrove - N2NOV
NYC-ARECS/RACES Citywide Radio Officer/Skywarn Coord.

NYC-ARECS/RACES Nets 441.100/136.5 PL
ARnewsline Broadcast Mon. @ 8:00PM
NYC-ARECS Weekly Net Mon. @ 8:30PM


NY-NBEMS Net Saturdays @ 10AM & USeast-NBEMS Net Wednesdays @ 7PM
on 7.036 Mhz USB (alt 3.536)/1500 hz waterfall spot; MFSK-16 or 32

"Information is the oxygen of the modern age. It seeps through the walls topped
by barbed wire, it wafts across the electrified borders." - Ronald Reagan

"The more corrupt the state, the more it legislates." - Tacitus

"Molann an obair an fear" - Irish Saying
(The work praises the man.)

"No matter how big and powerful government gets, and the many services it
provides, it can never take the place of volunteers." - Ronald Reagan


Re: Transmitting 100hz tone with dire for voice alert.

 

开云体育

Hi Jon

I have never looked at speech output, but looking through the manual I see that espeak is called via a shell/bat script. It would seem to be easy to output the espeak to a wav file, merge another wav with it containing the 100Hz tone (using, say sox), then play the wav file out to the radio. I assume the PTT comes from Direwolf itself.

Cheers Bob VK2YQA

On 7/9/24 07:55, kb3osp@... wrote:

Working on a project and I have looked though the documentation as well as searched this group and have not come up with anything. When Direwolf uses speech for a beacon does it / can it transmit a 100 hz tone along with the speech for voice alerting radios? Or would I need to have another program output the tone when it is speaking?

Thanks in advance!
Jon
KB3OSP


Transmitting 100hz tone with dire for voice alert.

 

Working on a project and I have looked though the documentation as well as searched this group and have not come up with anything. When Direwolf uses speech for a beacon does it / can it transmit a 100 hz tone along with the speech for voice alerting radios? Or would I need to have another program output the tone when it is speaking?

Thanks in advance!
Jon
KB3OSP


Re: Good volume level to start with?

 

开云体育

On 9/2/24 23:20, JayMot DW7GDL via groups.io wrote:
...
As there's no standard APRS frequency in the Philippines, hams have to find their own regional frequency when setting up digipeater, taking into account the input and output frequencies of existing 2m repeaters in their area along with the digi's deviation. In the Manila area and central Luzon they use 144.440. We've selected 144.380 in Cebu based on the frequency pairs of any other repeaters within 150 or so kilometers.
?...

is interesting.




Re: Decoding 300 baud HF

 

Hi Larry,
By default, direwolf will try and print details about received packets as if they are APRS packets. The packets are being received successfully despite these "errors" that show up in the logs.
You can disable that APRS logging behavior by adding the -qd command line argument when you run direwolf.
?
-Brent WG0A