[Elecraft] K3 Digital Voice Mode - our future?

[Walter Underwood]

FreeDV’s emission designator is 1K20J2E.

The “1K20” prefix is the bandwidth. “J3E” is “single sideband suppressed carrier”, “single channel containing analog information”, and “telephony”. Totally legal.

http://freedv.org/tiki-index.php?page=FreeDV+Specification

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Sep 18, 2015, at 3:40 PM, Joe Subich, W4TV <lists at subich.com> wrote:
> 
> 
> Yes, digital voice is classified as Phone as long as the emission
> designator has: "A, C, D, F, G, H, J or R as the first symbol; 1, 2, 3 or X as the second symbol; E as the third symbol." or "B or F as the first symbol; 7, 8 or 9 as the second symbol [and] E as the third
> symbol."  - From §97.3c(5)
> 
> 73,
> 
>  ... Joe, W4TV
> 
> 
> On 9/18/2015 6:23 PM, Fred Jensen wrote:
>> Would HF digital voice be classified as Voice/Image because it started
>> out as analog voice [and thus be confined to the Voice/Image sub-bands],
>> or as RTTY/Data because the actual transmitted signal is digital [and
>> thus confined to the RTTY/Data sub-bands]?  Different emission standards
>> apply to each of the sub-bands.
>> 
>> 73,
>> 
>> Fred K6DGW
>> - Northern California Contest Club
>> - CU in the 50th Running of the Cal QSO Party 3-4 Oct 2015
>> - www.cqp.org
>> 
>> On 9/18/2015 2:19 PM, Jim Brown wrote:
>>> On Fri,9/18/2015 10:24 AM, Al Lorona wrote:
>>>> Is bandwidth really our biggest problem?
>>> 
>>> It is during contests. Or when you're trying to fit in between the many
>>> ragchewing nets masquerading as "emergency" nets. And don't try to make
>>> a SSB QSO on the frequencies that the SSTV crowd has claimed, even
>>> though they are dead when you call.
>>> 
>>> 73, Jim K9YC
>> 
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