[aprssig] Opentracket psk31

[scott at opentrac.org]

It's BPSK31.  Haven't used that program myself, so I'm not sure how it's set
up.  In DigiPan there's not much to it - just set the mode and it works.
Keep in mind that there's a long lead-in with just null data before it sends
any text, so be patient.

Scott
N1VG 

> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org 
> [mailto:aprssig-bounces at lists.tapr.org] On Behalf Of Andrew Rich
> Sent: Friday, March 17, 2006 8:02 PM
> To: TAPR APRS Mailing List
> Subject: [aprssig] Opentracket psk31
> 
> Having problems decoding psk31 from opentracker
> 
> I am using mixw2
> 
> have tried qpsk31 and bpsk31 no luck
> 
> ideas >?
> 
> -----------------------------------------
> Andrew Rich
> Amateur radio callsign VK4TEC
> email: vk4tec at tech-software.net <mailto:vk4tec at tech-software.net>
> web: http://www.tech-software.net
> Brisbane AUSTRALIA
> 
> 
> 
> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org
> [mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Andrew Rich
> Sent: Saturday, 18 March 2006 1:20 PM
> To: TAPR APRS Mailing List
> Subject: RE: [aprssig] GPS to TNC APRS packet processor
> 
> 
> Scott,
> 
> A while back I was playing with a PIC and I thought I would 
> have a go at
> making it do RTTY.
> 
> I was surprised at how well the thing actually worked.
> 
> I was expecting harmonics and all sorts of problems.
> 
> I used a Resistor ladder of 4 bits.
> 
> I hooked it up and the thing copied 100%
> 
> Ok so I started to introduce noise and the thing still copied 100%
> 
> It is amazing what these little chips can do.
> 
> Maybe one day we will have PIC based modems.
> 
> One chip - then we will have to work on modulation techniques.
> 
> Ok going to fire up my open tracker here and play with your 
> new PSK code.
> 
> Cheers
> 
> -----------------------------------------
> Andrew Rich
> Amateur radio callsign VK4TEC
> email: vk4tec at tech-software.net <mailto:vk4tec at tech-software.net>
> web: http://www.tech-software.net
> Brisbane AUSTRALIA
> 
> 
> 
> -----Original Message-----
> From: aprssig-bounces at lists.tapr.org
> [mailto:aprssig-bounces at lists.tapr.org]On Behalf Of Wes Johnston
> Sent: Saturday, 18 March 2006 12:53 PM
> To: TAPR APRS Mailing List
> Subject: RE: [aprssig] GPS to TNC APRS packet processor
> 
> 
> Scott, what is your guess for a price on the T2 kit?  I have 
> a SCSG meeting
> in the morning, and would like to "rough" them in when 
> telling them about
> it.
> Wes
> 
> ----- Original Message -----
> From: scott at opentrac.org
> To: 'TAPR APRS Mailing List' <aprssig at lists.tapr.org>
> Sent: Fri, 17 Mar 2006 16:04:12 -0800
> Subject: RE: [aprssig] GPS to TNC APRS packet processor
> 
> 
> > > Just wondering if anyone has invented such a device, 
> perhaps using a
> > > microcontroller of some sort, that would sit in between a 
> GPS and a
> > > TNC so that TNC's which are not out-of-the-box stand alone tracker
> >
> > I don't think so, mostly because it costs just as much to 
> make one that
> does
> > the same thing without needing a TNC.
> >
> > > and the TNC could take care of transmitting it.  Using a real TNC
> > > would have its advantages versus a TinyTrak, et al on HF since the
> > > method of carrier detection is by audio voltage.  On HF, I find it
> >
> > You can just add an XR2211-based carrier detect circuit to 
> an OpenTracker
> or
> > TinyTrak.  The newest OpenTracker board I'm working on (the 
> Tracker2) is
> > already in beta testing and has a '2211 circuit built in.  
> It'll cost a
> bit
> > more than a regular OT kit, though.  And I haven't written 
> the software
> DCD
> > code yet - white noise will trigger it right now.  That's a 
> 5-minute fix,
> > though - there's already a flag that tells it if the DPLL 
> is synced, just
> > need to feed that into the CD counter.
> >
> > I guess maybe using a T2 doesn't count as 'without a TNC', 
> though.  It's a
> > TNC in itself, and will do KISS and operate as a digipeater.
> >
> > Scott
> > N1VG
> >
> >
> >
> >
> > _______________________________________________
> > aprssig mailing list
> > aprssig at lists.tapr.org
> > https://lists.tapr.org/cgi-bin/mailman/listinfo/aprssig
> >
> 
> 
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