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

[Harry Yingst]

I had my mcHF sitting here monitoring 14.236 in FreeDV Mode and one day it started talking.
At the time I was on the phone with a coworker who also was a ham so he understood my Nerd Out moment of excitement.



      From: Brian Pietrzyk <ve3bwp at gmail.com>
 To: "elecraft at mailman.qth.net" <elecraft at mailman.qth.net> 
 Sent: Tuesday, March 28, 2017 12:03 PM
 Subject: Re: [Elecraft] K3/K3s; Digital modes, specifically DV
   
I second this! I've played with FreeDV too and it has some great possibilities. The only issue run into is there's only a small group of people using it so it's often hard to find someone else on to talk to. I find It works best on the higher (and quieter) frequencies such as 20m and up. So you have to catch an opening and find people that are the right distance away and monitoring in FreeDV mode. 

I really hope we can get more people interested in FreeDV and if it could be added into the K and KX series firmware update that would help it grow. 

Brian ve3bwp

Message: 6
Date: Mon, 27 Mar 2017 16:08:16 -0700
From: Bob Nielsen <n7xy at n7xy.net>
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] K3/K3s; Digital modes, specifically DV
Message-ID: <ba0ed1a7-a64b-6b91-6813-94a08c4560c2 at n7xy.net>
Content-Type: text/plain; charset=utf-8; format=flowed

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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