[Elecraft] K3 Digital Voice Mode - our future?

[brian]

Robust maybe but hardly speedy further out.
Here are some bit rates from HORIZON space craft:
Jupiter Flyby - 35 kbps
Pluto - 2000 bps
http://pluto.jhuapl.edu/Mission/Spacecraft/Data-Collection.php

The bit rate drops to hundreds of bits/second further out.

73 de Brian/K3KO


On 9/18/2015 16:17 PM, Lynn W. Taylor, WB6UUT wrote:
> Digital tends to be either perfect armchair copy, or fairly unusable.
>
> It's going to depend a whole lot on how it's encoded, the data rate, 
> and how much error detection and correction is used.
>
> Bump up the data rate, do some forward error correction and it's 
> likely to be fairly robust.  Some of the methods used by NASA to 
> encode signals from deep space probes are incredibly robust.
>
> -- Lynn
>
> On 9/18/2015 1:18 AM, brian wrote:
>> Is anybody addressing the issue of QRM from other stations?   I 
>> suspect digital will fold -- especially when one is trying to detect 
>> one out of many or a station immersed in splatter from one or more 
>> stations. 
>
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