[Elecraft] K3/K3s; Digital modes, specifically DV

[Harry Yingst]

There is a different group working on the firmware now  http://df8oe.github.io/mchf-github/ 

As I understand it the FreeDV code is open source so Elecraft would not need to reinvent the wheel.



      From: Bob Nielsen <n7xy at n7xy.net>
 To: Harry Yingst <hlyingst at yahoo.com> 
 Sent: Monday, March 27, 2017 9:49 PM
 Subject: Re: [Elecraft] K3/K3s; Digital modes, specifically DV
   
 Strangely the mcHF website doesn't seem to mention it but that's great.  
  
 On 3/27/17 6:15 PM, Harry Yingst wrote:
  
  The mcHF does indeed have FreeDV built in RX and TX (I'm looking right at it)
  
  I'm running ver 1.5.7 of the firmware (Ia little old as I have not updated it recently) 
  
  
 
        From: Bob Nielsen <n7xy at n7xy.net>
 To: elecraft at mailman.qth.net 
 Sent: Monday, March 27, 2017 7:13 PM
 Subject: Re: [Elecraft] K3/K3s; Digital modes, specifically DV
  
 While the mcHF has some digital audio circuitry, I don't believe it 
 provides a digital voice mode.
 
 FreeDV is a very narrow-band (1.1 kHz) digital voice mode using the 
 open-source Codec2, developed by VK5DGR.  One can run FreeDV without a 
 computer using the Rowetel SM1000 adapter 
 (https://www.tindie.com/products/edwin/sm1000-freedv-adpapter/). This 
 should work nicely with a KX2 or KX3 for portable FreeDV operation.  I 
 haven't tried doing that but it looks fairly straightforward.
 
 Bob, N7XY
 
 
 On 3/27/17 2:28 PM, Harry Yingst via Elecraft wrote:
 >  I would like to see Elecraft built it into their firmware.
 > I have a mcHF QRP radio that has Digital Voice in it
 >
 >        From: Richard Fjeld <rpfjeld at outlook.com>
 >  To: Elecraft Reflector <elecraft at mailman.qth.net>
 >  Sent: Monday, March 27, 2017 2:13 PM
 >  Subject: [Elecraft] K3/K3s; Digital modes, specifically DV
 >    
 > Greetings to all,
 >
 > The K3/K3s is an excellent radio for digital modes due to the ease of
 > interfacing with a computer if desired.  A computer is not even needed
 > for some digital modes, and I have tried that successfully.
 >
 > I have mentioned in the past that I had tried the free software for
 > digital voice on HF called 'FreeDV'.  I had worked a Canadian ham a few
 > times using it and he has been keeping in contact with me via email
 > encouraging me to get back into it.  I am starting to get up to date
 > again, and I found accurate reviews of it on
 > http://www.eham.net/reviews/detail/11016   by K2RWF and WA0TPN.  I think
 > you will find the reviews interesting and informative.
 >
 > Notice that the reviews seem to be either at, or near, 5/5 or 0/5. I
 > think both of the reviews I mentioned answer why that is.  I will keep
 > my experience mute and let you glean aye/nay from the reviews. Whether
 > you approve of digital voice or not, the K3/K3s is a natural for using
 > it, and it's fun.  (As always with digital modes, be kind to your finals.)
 >
 > FYI,
 > Dick, n0ce
 >
 >
 
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