[time-nuts] Do ordinary clouds adversely affect GPS reception?

[Poul-Henning Kamp]

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In message <CADXevOaQ6a7eUoKciAttXhr5=w5Y6xxYbojFQMRB42x2QPLXfQ at mail.gmail.com>, Fiorenzo Cattaneo writes:

>Any kind of atmospheric disturbance has a measurable effect on GPS
>space and time precision, [...]

Actually, it's even simpler than that:

Any electrical charge in the freshnell-zone between the two antennas
delays the signal.

In practice that means "any ion ..."

Rain clouds harbour significant ionization, long before they become
thunderstorms.

Apart from that, the lower atmosphere is pretty predictable with
respect to ionization.

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