[GreenKeys] How long can a local loop be?

[Bob kb8tq]

Hi

How far would you be from the local office “back in the old days” ? Does 15 miles sound about right?

Bob

> On Jun 13, 2019, at 5:19 PM, Joe Herdler via GreenKeys <greenkeys at mailman.qth.net> wrote:
> 
> Hi all,
> 
> How long can a local loop be? Would a pair of TTYs work at a mile apart with twisted pair wire? Or would one need to start thinking about using a polar relay and dual current for mark and space? What would the circuit look like? At that distance (mile +), does one need to think about open wire and insulators?
> 
> Thank you again!
> 
> Best,
> 
> Joe
> 
> Consciousness affects the medium. Think happy, be happy, and happiness will follow you.
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