[Coco] Totally OT: Terabit memory device

[John Donaldson]

  Many of your smaller radar installations such as at Roanoke Airport, 
still use large tube based
radar screens.

John Donaldson


Neil Morrison wrote:

>----- Original Message ----- 
>From: "Theodore (Alex) Evans" <alxevans at concentric.net>
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>>I don't think they ever made it past the prototype stage.  I have heard 
>>about them, and even seen pictures of working prototypes.  Considering 
>>that they are electro-mechanical systems I suspect that the advantages 
>>simply did not outweigh the cost.
>>Also remember that the FAA is very very conservative about upgrading 
>>equipment.
>>    
>>
>
>Don't they still have some tube type radar equipment?
>
>Neil
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