Date   

Re: Raspberry Pi3 + TNC-Pi + Motorola GM300

bbillp
 

A spectrum analyzer is an instrument to properly adjust the audio and deviation in a FM transmitter and is critical to good 9600 baud transmitter quality while good 1200 baud might be obtainable by ear the use of a spectrum analyzer will assure proper adjustment.    Maybe someone in your club has access to a spectrum analyzer then adjustments only take a few minutes at most.      Bill K6ACJ 

PS: The SDRPlay sdr receiver has analyzer software on the web site, I’ve not tried it at this time.      


On Sep 12, 2019, at 2:39 PM, Bill Cole <bcole3@...> wrote:

I have it paired a Raspberry Pi-3 & 7" touch screen with a 25 watt 136-162mHz Motorola GM-300 and a TNC-PI.  I plan to use this as an APRS station using Xastir.  

I have used the "Radio holes" on the TNC-Pi to wire it into the Motorola via the16 pin connector.  Per instructions for the TNC-Pi I tried to adjust the transmit audio output using R7 and the two radio method.  I found that the TNC-Pi never reaches the point where it ceases to get louder.  In fact at about 80% the pitch changes and it continues to increase in volume to 100% adjustment of R7. 

Any suggestions?

Thank you.


Raspberry Pi3 + TNC-Pi + Motorola GM300

Bill Cole <bcole3@...>
 
Edited

I have it paired a Raspberry Pi-3 & 7" touch screen with a 25 watt 136-162mHz Motorola GM-300 and a TNC-PI.  I plan to use this as an APRS station using Xastir.  

I have used the "Radio holes" on the TNC-Pi to wire it into the Motorola via the16 pin connector.  Per instructions for the TNC-Pi I tried to adjust the transmit audio output using R7 and the two radio method.  I found that the TNC-Pi never reaches the point where it ceases to get louder.  In fact at about 80% the pitch changes and it continues to increase in volume to 100% adjustment of R7. 

I am supposed to be able to adjust the generated tone to a point where the volume no longer increases.  My dilema is I am unable to adjust R7 until this occurrs. 

Any suggestions?

Thank you.


Re: Install WSJT-x and fldigi on a Raspberry Pi4

N3RDR
 

What do you use the I2S bus for?

Carlos
N3RDR

On Sep 12, 2019, at 12:39 PM, David Ranch <dranch@...> wrote:


I've had good success with the FePi using the I2S bus vs. the somewhat quirky Rpi USB bus with Direwolf.  I can't see why WSJT or Fldigi wouldn't work equally well. 

--David
KI6ZHD


On 09/11/2019 04:30 AM, km4ack wrote:
@KM4ACK this audio board okay?https://fe-pi.com/products/fe-pi-audio-z-v2
 
and then what's next after installing this board? Cables??
 
-During World War 2, Hams could not do what in the USA?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

I have no experience with that board so I'll leave it to someone else who may have experience. I primarily use one of the 3 boards mentioned above. 

73,
KM4ACK
Find Me On YouTube



Re: Install WSJT-x and fldigi on a Raspberry Pi4

Vince A
 

@KI6ZHD
David. Thank you for the much-needed info. This clears up a lot of doubt and questions. 

---
-During World War 2, Hams could not do what in the USA?
- In the movie Contact, what was Ellie's callsign?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...


On Thu, Sep 12, 2019 at 10:39 AM David Ranch <dranch@...> wrote:

I've had good success with the FePi using the I2S bus vs. the somewhat quirky Rpi USB bus with Direwolf.  I can't see why WSJT or Fldigi wouldn't work equally well. 

--David
KI6ZHD


On 09/11/2019 04:30 AM, km4ack wrote:
@KM4ACK this audio board okay?https://fe-pi.com/products/fe-pi-audio-z-v2
 
and then what's next after installing this board? Cables??
 
-During World War 2, Hams could not do what in the USA?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

I have no experience with that board so I'll leave it to someone else who may have experience. I primarily use one of the 3 boards mentioned above. 

73,
KM4ACK
Find Me On YouTube


Re: Setting up APRS Digipeater with TNC-Pi

David Ranch <dranch@...>
 


You cannot use a TNC-Pi and Direwolf together as they do the same basic modem functionality.  Putting it another way, the PTT functionality on a TNC-Pi is used by the TNC-Pi's onboard microcontroller ONLY.  If you want to use Direwolf, you need a soundcard like a Syba USB or Fe-PI HATT, DRAWS, etc.  For PTT, you can use a simple transitor circuit and a GPIO pin.

--David
KI6ZHD


On 09/12/2019 08:23 AM, Yaniv Eliash wrote:
So I got today a TNC-Pi to pair with a Baofeng UV5R
The idea is to avoid VOX as the delay is awful.

Tried to figure out how do I tell direwolf to use the TNC-Pi (it's serial connected)
as audio and PTT but couldn't figure that out.

PTT was easy to find as it's clearly stated,
but not for the audio device.

Would appreciate help here if anyone knows how to do that.


73,
Yaniv 
4X5DL


Re: Install WSJT-x and fldigi on a Raspberry Pi4

David Ranch <dranch@...>
 


I've had good success with the FePi using the I2S bus vs. the somewhat quirky Rpi USB bus with Direwolf.  I can't see why WSJT or Fldigi wouldn't work equally well. 

--David
KI6ZHD


On 09/11/2019 04:30 AM, km4ack wrote:
@KM4ACK this audio board okay?https://fe-pi.com/products/fe-pi-audio-z-v2
 
and then what's next after installing this board? Cables??
 
-During World War 2, Hams could not do what in the USA?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

I have no experience with that board so I'll leave it to someone else who may have experience. I primarily use one of the 3 boards mentioned above. 

73,
KM4ACK
Find Me On YouTube


Setting up APRS Digipeater with TNC-Pi

Yaniv Eliash
 

So I got today a TNC-Pi to pair with a Baofeng UV5R
The idea is to avoid VOX as the delay is awful.

Tried to figure out how do I tell direwolf to use the TNC-Pi (it's serial connected)
as audio and PTT but couldn't figure that out.

PTT was easy to find as it's clearly stated,
but not for the audio device.

Would appreciate help here if anyone knows how to do that.


73,
Yaniv 
4X5DL


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Vince A
 

@KM4ACK
@Yaniv
Thank you 
---
-During World War 2, Hams could not do what in the USA?
- In the movie Contact, what was Ellie's callsign?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...


On Wed, Sep 11, 2019 at 6:03 AM Yaniv Eliash <yaniv@...> wrote:
I've Fe-Pi
Works flawless.

Just take in mind that you need a special case for your RPi if you choose so (especially for portable ops)

On Wed, 11 Sep 2019 at 14:30, km4ack <jason.oleham@...> wrote:
@KM4ACK this audio board okay?https://fe-pi.com/products/fe-pi-audio-z-v2
 
and then what's next after installing this board? Cables??
 
-During World War 2, Hams could not do what in the USA?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

I have no experience with that board so I'll leave it to someone else who may have experience. I primarily use one of the 3 boards mentioned above. 

73,
KM4ACK
Find Me On YouTube


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Yaniv Eliash
 

I've Fe-Pi
Works flawless.

Just take in mind that you need a special case for your RPi if you choose so (especially for portable ops)

On Wed, 11 Sep 2019 at 14:30, km4ack <jason.oleham@...> wrote:
@KM4ACK this audio board okay?https://fe-pi.com/products/fe-pi-audio-z-v2
 
and then what's next after installing this board? Cables??
 
-During World War 2, Hams could not do what in the USA?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

I have no experience with that board so I'll leave it to someone else who may have experience. I primarily use one of the 3 boards mentioned above. 

73,
KM4ACK
Find Me On YouTube


Re: Install WSJT-x and fldigi on a Raspberry Pi4

km4ack
 

@KM4ACK this audio board okay?https://fe-pi.com/products/fe-pi-audio-z-v2
 
and then what's next after installing this board? Cables??
 
-During World War 2, Hams could not do what in the USA?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

I have no experience with that board so I'll leave it to someone else who may have experience. I primarily use one of the 3 boards mentioned above. 

73,
KM4ACK
Find Me On YouTube


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Vince A
 

@KM4ACK this audio board okay?https://fe-pi.com/products/fe-pi-audio-z-v2

and then what's next after installing this board? Cables??

-During World War 2, Hams could not do what in the USA?
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...


On Tue, Sep 10, 2019 at 6:45 AM km4ack <jason.oleham@...> wrote:
 
 
Get sound card info arecord -l (note:that is a lower case L) 
  arecord -l
**** List of CAPTURE Hardware Devices ****  
 
no /dev no listing, blank. I don't have a Siglink box nor a USB device. does this require one? or can I use the onboard rasp pi 3b sound card? OR would this audio board help? - https://fe-pi.com/products/fe-pi-audio-z-v2
 
---
-During World War 2, Hams could not do what in the USA?
- In the movie Contact, what was Ellie's callsign?
- "Bandwidth" A Ham's waist size!
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

Yes, you will need some sort of sound card for this project. There are many options available. Signalink, Wolphilink, DRAWS hat, & others.

73,
KM4ACK
Find Me On YouTube


Re: Install WSJT-x and fldigi on a Raspberry Pi4

km4ack
 

 
 
Get sound card info arecord -l (note:that is a lower case L) 
  arecord -l
**** List of CAPTURE Hardware Devices ****  
 
no /dev no listing, blank. I don't have a Siglink box nor a USB device. does this require one? or can I use the onboard rasp pi 3b sound card? OR would this audio board help? - https://fe-pi.com/products/fe-pi-audio-z-v2
 
---
-During World War 2, Hams could not do what in the USA?
- In the movie Contact, what was Ellie's callsign?
- "Bandwidth" A Ham's waist size!
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...

Yes, you will need some sort of sound card for this project. There are many options available. Signalink, Wolphilink, DRAWS hat, & others.

73,
KM4ACK
Find Me On YouTube


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Jonathan Magee
 

Hi Yaniv
For PTT control it will depend on your radio. If your radio supports PTT via CAT then use that, otherwise you will need an additional interface to control PTT.  I don't have the details handy but in the past I have used a USB-Serial dongle and used one of the control line to turn PTT on and off (with some other components to isolate the PTT circuit from the serial port). 

73 de Jonathan GI7KMC

On Tue, 10 Sep 2019 at 07:36, Yaniv Eliash <yaniv@...> wrote:
No need for PTT control?
Or the CAT provide the PTT?

Thanks,
Yaniv 4X5DL

On Tue, 10 Sep 2019 at 08:50, Bob Bennett via Groups.Io <bobsmacbox=yahoo.com@groups.io> wrote:
Download it from the author at https://physics.princeton.edu/pulsar/k1jt/wsjtx.html  it is the Raspian version. You will need 2 connections to your radio: a CAT cable that matches your rig, and a sound dongle (I use a $6 dongle that goes to the USB port).

Just get the software then go to the settings menu you to identify your rig and soundcard/dongle connections.

I was able to get WAS on 40 and 80 meters QRP with that set up and 44 states on 160 meters as well.

Good luck

Bob nz2z


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Yaniv Eliash
 

No need for PTT control?
Or the CAT provide the PTT?

Thanks,
Yaniv 4X5DL

On Tue, 10 Sep 2019 at 08:50, Bob Bennett via Groups.Io <bobsmacbox=yahoo.com@groups.io> wrote:
Download it from the author at https://physics.princeton.edu/pulsar/k1jt/wsjtx.html  it is the Raspian version. You will need 2 connections to your radio: a CAT cable that matches your rig, and a sound dongle (I use a $6 dongle that goes to the USB port).

Just get the software then go to the settings menu you to identify your rig and soundcard/dongle connections.

I was able to get WAS on 40 and 80 meters QRP with that set up and 44 states on 160 meters as well.

Good luck

Bob nz2z


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Bob Bennett
 

Download it from the author at https://physics.princeton.edu/pulsar/k1jt/wsjtx.html  it is the Raspian version. You will need 2 connections to your radio: a CAT cable that matches your rig, and a sound dongle (I use a $6 dongle that goes to the USB port).

Just get the software then go to the settings menu you to identify your rig and soundcard/dongle connections.

I was able to get WAS on 40 and 80 meters QRP with that set up and 44 states on 160 meters as well.

Good luck

Bob nz2z


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Vince A
 

@KM4ACK 

Get sound card info arecord -l (note:that is a lower case L) 
  arecord -l
**** List of CAPTURE Hardware Devices ****  

no /dev no listing, blank. I don't have a Siglink box nor a USB device. does this require one? or can I use the onboard rasp pi 3b sound card? OR would this audio board help? - https://fe-pi.com/products/fe-pi-audio-z-v2

---
-During World War 2, Hams could not do what in the USA?
- In the movie Contact, what was Ellie's callsign?
- "Bandwidth" A Ham's waist size!
73 Vince: ":>) KD7TWW Formerly KJ7EUG
Thank you for your reply...


On Mon, Sep 9, 2019 at 6:01 AM km4ack <jason.oleham@...> wrote:
Dave,

Take a look at my channel that focuses on pi/ham radio. I have install videos for many things radio related. You will find very few differences in the Pi3 vs Pi4. Just be sure to backup after each successful install. That way if something goes wrong, you only have to redo one step instead of starting over. Easy Pi Backup. There is even a video on Where to Start

73,
KM4ACK
Find Me On YouTube


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Dave Capstick
 

Great, thanks all for the help.  I'll give that a go.  I've just checked out your youtube channel KM4ACK, looks really useful, much appreciated

73
Dave
M0IKT


Re: Install WSJT-x and fldigi on a Raspberry Pi4

David Ranch <dranch@...>
 


Well.. there might be one difference.  In recent times, the compiling of Fldigi needed more than the 1GB of RAM or the build would fail.  The solution here was to create a little swap space to get it over the hump and that works well.  Now with the Rpi4 offering 2GB and 4GB versions, those two versions probably won't require you to create that swap space anymore.

--David
KI6ZHD



On 09/09/2019 04:08 AM, Steve Spence wrote:
the instructions for rpi3 would be the same for rpi4, as they are both linux.


Steve Spence, KK4HFJ



On Mon, Sep 9, 2019 at 1:56 PM Dave Capstick via Groups.Io <cappers1001=yahoo.co.uk@groups.io> wrote:
Hi All,
i'm relatively new to Raspberry Pi, and i'm aware that this kind of question has possibly cropped up before.  I have recently purchased a RPi4 and would like to use this for digimodes.  I know that if you install fldigi using the add/remove software options, you will get quite an old version of fldigi, i think this is the same for wsjt-x.  Having looked online, there are quite a few sites that describe the installation process from source, but so far i've only found instructions for installation on a RPi3.  Is the install for these packages any different when using a RPi4?  I'm reluctant to start installing anything that could mess things up if there is an issue with different versions of the RPi OS, as the RPi4 now has Buster.  If there is a different process, would someone be able to point me in the right direction as to instructions as i've not found anything yet.

Thanks for your help

Dave
M0IKT


Re: Install WSJT-x and fldigi on a Raspberry Pi4

km4ack
 

Dave,

Take a look at my channel that focuses on pi/ham radio. I have install videos for many things radio related. You will find very few differences in the Pi3 vs Pi4. Just be sure to backup after each successful install. That way if something goes wrong, you only have to redo one step instead of starting over. Easy Pi Backup. There is even a video on Where to Start

73,
KM4ACK
Find Me On YouTube


Re: Install WSJT-x and fldigi on a Raspberry Pi4

Steve Spence
 

the instructions for rpi3 would be the same for rpi4, as they are both linux.


Steve Spence, KK4HFJ



On Mon, Sep 9, 2019 at 1:56 PM Dave Capstick via Groups.Io <cappers1001=yahoo.co.uk@groups.io> wrote:
Hi All,
i'm relatively new to Raspberry Pi, and i'm aware that this kind of question has possibly cropped up before.  I have recently purchased a RPi4 and would like to use this for digimodes.  I know that if you install fldigi using the add/remove software options, you will get quite an old version of fldigi, i think this is the same for wsjt-x.  Having looked online, there are quite a few sites that describe the installation process from source, but so far i've only found instructions for installation on a RPi3.  Is the install for these packages any different when using a RPi4?  I'm reluctant to start installing anything that could mess things up if there is an issue with different versions of the RPi OS, as the RPi4 now has Buster.  If there is a different process, would someone be able to point me in the right direction as to instructions as i've not found anything yet.

Thanks for your help

Dave
M0IKT