Topband: Great Engineering by AA7JV

Chris G3SVL chris at g3svl.com
Mon Apr 5 18:21:08 EDT 2021


I was there that 2019 Visalia evening at WB6RSE's Topband dinner and 
George's presentation on concurrent CW / FT8 on 160m blew me away too.

73 Chris, G3SVL


On 05/04/2021 19:55, Jim Brown wrote:
> At the most recent Visalia in 2019 (and later at Dayton, I think), 
> George presented two feats of engineering excellence that blew me 
> away. First, his "Radio In A Box" has the potential to revolutionize 
> DXpeditioning to islands, drastically reducing their cost, the number 
> of hams needed, man-hours spent on the island, and the resulting 
> impact on the island's natural state. All of this has the potential to 
> make it far easier to obtain permissions from authorities.
>
> Second, his observations that during DXpeditions, topband openings 
> tend to occur on one night out of a couple of weeks, and that since CW 
> and FT8 are the dominant modes for weak signal work, both need to 
> active whenever there is the likelihood of propagation (that is, 
> between the daylight sides of the terminator), led him to devise a 
> system to achieve that.
>
> Both of these achievements are described on the qrz page for C6AGU. If 
> you've missed them up to now, by all means check it out!
>
> 73, Jim K9YC
> _________________
> Searchable Archives: http://www.contesting.com/_topband - Topband 
> Reflector
> .


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