I must concur with the other Rob. I have built several panels
with BNC arrays, the tightest of which was 0.75" grid. NEVER again.
You need quite long thin fingers to twist the shell on/off in the middle.
The 1.0" spaced panels I've made work ok for most of the hands found in 
this lab over the years.

0.75 works OK if it's on a 1U panel as a single row.
I've also done 1.0 x 0.75 on a 1U (2 rows, one at each edge)
with success, as long as there isn't anything sticking out far
on the adjacent panel.

Robert Young wrote:

>>
>>Hi,
>>
>>            Can anyone tell me what would be the minimum 
>>distance between BNC connectors? I have a panel with 16 
>>columns of 3 rows of connectors and I would like to know the 
>>minimum distance. anyone?
>>
> 
> The smallest I have ever seen is 0.75" (about 20mm).  If you want to
> easily get your fingers around them, then you should have 1.0" or more.
> 
> Rob
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