Aha.  Thanks for explaining.  :-)

----- Original Message -----
From: "Richard Blackburn" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Wednesday, April 10, 2002 21:26
Subject: Re: [SCUBA-SE] Just got back -- Details ;)


> I can change to them IF I choose, but the normal course is Intro ->
Doubles
> on Surface -> Apprentice -> Full.
>
> Richard
> ----- Original Message -----
> From: "Steven Catron" <[log in to unmask]>
> To: <[log in to unmask]>
> Sent: Wednesday, April 10, 2002 10:09 PM
> Subject: Re: [SCUBA-SE] Just got back -- Details ;)
>
>
> > ----- Original Message -----
> > From: "Richard Blackburn" <[log in to unmask]>
> > To: <[log in to unmask]>
> > Sent: Wednesday, April 10, 2002 21:04
> > Subject: Re: [SCUBA-SE] Just got back -- Details ;)
> >
> >
> > > > > The NSS-CDS teaches on singles, to
> > > > > further limit our penetration ;)  Now that I am certified, I can
> > change
> > > > to
> > > > > 1/6th of doubles.
> > > > Sounds a little strange, if you'll forgive my saying so.  Teaching
you
> > > > firsthand how to nail your buoyancy with doubles seems preferable
to
> > > > encouraging you to learn it on your own in a cave.  But I'm no
cave
> > > > diver....
> > >
> > > You are supposed to move to apprentice and learn the doubles outside
of
> > the
> > > cave, before using them in the cave.
> > Then I don't understand your second sentence above in the context of
your
> > last one.  It IS intro > apprentice > full, right?