[GreenKeys] For all the telco and ex-telco guys

[Jim Haynes]

On Mon, 10 Nov 2014, Richard Knoppow wrote:
>   I wonder what the tall tower in the background is. It looks like either an 
> AM station or perhaps the support for a TV or FM antenna. Hard to tell from 
> the photos.

What is a good location for a microwave tower is probably also a good
location for a broadcasting or cell phone tower

>   I don't know how long the microwave network stayed alive but wonder if 
> satellites would  not have supplanted much of it long before optical fiber.

Satellites of the geostationary kind are disadvantageous for voice
conversations because there is a very noticeable time lag between when
the speaker stops speaking and the listener hears the last of the
speech.  And for satellites in low orbits you need either a lot of
satellites or a complicated tracking antenna system.