From: "Doug Ewell" <dewell@...>

> > Interesting. I'm almost positive that (in the Eastern USA, at
> > least), it's spoken as"doble ve"; that is not to invalidate
> > your form, of course.
>
> I always learned it as "doble ve" too. I wonder if the main distinction
> here is between es-ES and es-MX.

The Diccionario de la Lengua Española de la
Real Academia Española says:
"Su nombre es uve doble, ve doble o doble ve."

The Gran Diccionario de la Lengua Española SGEL
only gives "uve doble".

The second dict. looks to me less oriented to American
Spanish than the first.

FWIW.

P.