[time-nuts] T.I. experimenting - newbie question

[Magnus Danielson]

On 04/03/2011 09:33 PM, David C. Partridge wrote:
> With any decent TDR you can SEE all the connections so you can measure the cable length (+/- a few mm) directly.

No, you can't. You can measure the electrical length. I do have a decent 
TDR at hand.

You would have to assume the speed in the cable to know the physical 
length. It's not a high-quality measure mostly.

Cheers,
Magnus