[TowerTalk] Life expectancy of RG-213

[Rick Karlquist]

One thing no one has mentioned so far is that when the shield
oxidizes, the wires may no longer make good electrical contact with
each other.  I have heard that the coax loses it's shielding
effectiveness due to this, but I have seen no scientific tests.
Even if this is true, it is probably of no importance for
most ham applications, especially if the coax is connected to
an antenna.

Rick N6RK