Subj : Re: Wannabe HAM
To   : Tony Langdon
From : Holger Granholm
Date : Mon Sep 19 2016 09:47 am

In a message on Monday 09-18-16 Tony Langdon said to Holger Granholm:

GE Tony,

HG> Do you expect Winlink to work when all the cellphone nets and ISP's go
HG> down? I wouldn't.

TL> Peer-peer mode will work.

The only peer-to-peer networking I know, is within a wire or wireless
network, usually within a building.

Going outside of that, usually requires the step-in of an ISP.

One thing I forgot in my message to Jimmy, was that many areas are
interconnected by wires/cables, supported by poles. They are very
susceptible to damage in an ice storm or a cyclone (typhoon).

Here, all power grid and phone lines (POTS), are underground, and the
phone companies have very capable battery support, and own generators,
should the power grid be interrupted for a long time.

Also, at least in the city and partly on the countryside, also the ISP
glassfibre cables are underground..

Even the local power company does have several gas-turbine, and one big
diesel power plant to throw in, if the feeds from Sweden or Finland
should fail.


GN es 73 de Sam, OH0NC

aka Holger

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