[App_rpt-users] Using DSP on Rasberry Pi?

[John Griffith]

It's a UHF repeater with a flat-pack. I have 90db separation which is
adequate for my needs. 

-----Original Message-----
From: David McGough [mailto:kb4fxc at inttek.net] 
Sent: Tuesday, November 28, 2017 1:23 PM
To: John Griffith <jcarl.griffith at gmail.com>
Subject: RE: [App_rpt-users] Using DSP on Rasberry Pi?


Hi John,

Is this a VHF or UHF repeater???  What type of duplexer, if any??


73, David KB4FXC



On Tue, 28 Nov 2017, John Griffith wrote:

> The receive radio is a TYT TH-9000. The transmit radio is a Yaesu ft-7800.
> 
> I found the 9000 has a more sensitive receiver, and the Yaesu has a 
> better transmitter, it doesn't "crackle"
> During long transmissions like the TYT did. I'm using a standard URI.
> 
> 
> 
> -----Original Message-----
> From: David McGough [mailto:kb4fxc at inttek.net]
> Sent: Tuesday, November 28, 2017 9:51 AM
> To: John Griffith <jcarl.griffith at gmail.com>
> Subject: Re: [App_rpt-users] Using DSP on Rasberry Pi?
> 
> 
> Hi John,
> 
> What kind of radios(s) or repeater are you using?
> 
> As the software developer of the hamvoip release, I'm interested to 
> hear experiences, good or bad.
> 
> 
> Thanks,
> 
> 73, David KB4FXC
> 
> 
> 
> On Tue, 28 Nov 2017, John Griffith wrote:
> 
> > About 4 months ago, I loaded Crompton on my Pi and transferred all 
> > the
> config files over from my ACID box. 
> 
> My current repeater uses ACID on an old fanless PC, and it happens to 
> also have DSP configured for receive.  The Pi 3 actually worked well, 
> my Pi 3 handling the extra load from using DSP quite well. What broke 
> however, was everything else. I had copied quite a bit over to get it 
> to work, not just conf files. It's been a while, I don't remember 
> exactly what all I copied over, but it was entire directories. Then, 
> it was no longer able to run USB tune or even the new features that 
> replaced it because the conf files are not compatible with the new 
> system. I went back to my old ACID installation on my PC after hopelessly
breaking my Crompton attempt.
> 
> Fast forward to now. I have my repeater running off a solar panel, but 
> the computer is too big a draw to keep the system running over night. 
> I want to return to a Pi installation. I've tried configuring COS from 
> the radio, but it has a nasty habit of not going out of COS once a 
> received signal terminates. I REALLY want to use DSP as I've spent 
> countless hours trying to make COS work properly and not achieving good
success.
> 
> Is there a way of making DSP work on a Pi without breaking stuff? Or 
> is there a proper way of bringing my ACID setup over to my Pi
successfully?
> Not even looked at DIAL, is it compatible with DSP, if it is, can it 
> be brought over to Pi?
> 
> John
> N7OKN
> 
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