HDTenEightyP/NetNews huggingface dataset:
From: mulberry@triton.unm.edu ()
Subject: UW Photography Film
Date: Tue, 21 Jul 92 15:49:34 GMT
Expires: Sat, 15 Aug 92 06:00:00 GMT
Organization: University of New Mexico, Albuquerque

I don't know if this has been discussed in rec.scuba before
or not.  I don't get much of a chance to read this newsfile.
I use a Nikonos IV-A for underwater photography and use either
the standard 50mm nikonos lens or a Sea & Sea 17mm wide angle lense.
In the past I have used Kodachrome ASA 64 film, and have for the
most part been pleased with the results.

I would like to know from other people their opinions on using
other films, like Fuji, the advantages, disadvantages, special
shooting techniques used with various films, etc., etc.

I am hoping to go to the Carribean sometime next month and would
like to carry along some of this info with me.

Thanks alot.

Bill

mulberry@triton.unm.edu

Newsgroups: rec.scuba
From: dfm@unislc.uucp (David Merrill)
Subject: Green River drift dive
Organization: Unisys Corporation SLC
Date: Thu, 30 Jul 1992 20:15:55 GMT

A group of experienced divers are going to go drift diving
down the Green River below Flaming Gorge Dam, Sep. 12-13.
The water is generally very clear and cold.  Depth can range
from 3 - 30 feet.

Does anyone have any suggestions/recommendations on things we
should or should not do? (especially safety tips).
Are there any books/manuals on this subject?

thanks in advance
dave
From: davew@hp-ptp.ptp.hp.com (Dave Waller)
Newsgroups: rec.scuba
Subject: Re: Lake Ontario claims third diver
Date: 27 Jul 92 16:58:02 GMT
Organization: HP Pacific Technology Park - Sunnyvale, Ca.

In rec.scuba, jfh@rpp386.lonestar.org (John F. Haugh II) writes:

> PADI teaches the concept of EBA but doesn't drill it during classes.  It
> is supposed to be "too dangerous."  However, the potential for dying on the
> bottom of a lake seems far worse than suffering from a barotrauma.  If EBA
> were drilled in shallow (30' or less) water and with the student still
> breathing from SCUBA, the risk of injury during instruction would seem to
> be minimal.

Unfortunately, the exact opposite is in fact the case, and this is likely one of 
the reasons PADI (and other agencies, YMCA included) do not teach this maneuver. 
Remember that the change in gas volume is greatest near the surface as one 
ascends, and therefore it is the shallowest depths that present the greatest 
danger of barotrauma.

Dave Waller 
YMCA Instructor
Newsgroups: rec.scuba
From: clampin@scivax.stsci.edu
Subject: Re: Are ther YMCA dive agencies in Australia ?
Organization: Space Telescope Science Institute
Distribution: na
Date: Tue, 21 Jul 1992 17:28:19 GMT

With regard to this comment on the British Sub-Aqua Club (BSAC)...........
> 
> I trust you pay for the "free" training through club dues and/or club
> fundraisers and/or by getting the instructors to volunteer their efforts?
> 

In all the BSAC clubs in which I was a member the club dues never amounted
to even a fraction of what it costs to get an intructor cert. with PADI, 
NAUI etc. Furthermore, BSAC members do the instructor certification 
(3 levels; Club, Advanced and National) because they WANT TO teach, either 
at branch or national level. BSAC instructor certifications are not primarily
intended to be a career path, they are for people who wish to improve the 
standard of their own diving and contribute to the sport. 

Newsgroups: rec.scuba
From: jal@truckee.qualcomm.com (Jeff Levin)
Subject: Re: How to stop sucking air?
Organization: Qualcomm, Inc., San Diego, CA
Date: Thu, 23 Jul 1992 17:56:41 GMT

In article <1992Jul21.212842.2652@helical.com> rallan@gun.com writes:
>
>Sue Raisty writes
>Personal opinions:
>
>2. Detune your reg if you can [...]


In article <nkukgms@twilight.wpd.sgi.com> duis@sgi.com (David Duis) writes:
>
>Eh?  You'll breathe less if you make it HARDER to breathe, requiring
>...
>This suggestion has come up before; maybe you can help me see the
>logic of it.


In article <1992Jul23.163315.25558@nevada.edu> tierney@nevada.edu (TIM TIERNEY) writes:
>
>I don't really understand the logic either, but I can tell you that at
>least for me it definitely works...
>
>Like they say on the commerical, Why ask Why?


Well, we are asking why, so we might as well continue. :-)
   (Why ask Why?  Suck tank Dry!)   ;-)

Perhaps by detuning your regulator you are making it too difficult to "play"
with your air and so you end up just breathing out of it what you really need.

I remember at the end of my first pool session a bunch of us had 1500 psi left
in our AL80's after the required doggie drills.  The instructor said:
   "hey - go back in and run your air down to 500 psi if you want.  Enjoy!"
So we did.  It took about 10 minutes at 12 feet for us to finish up.  The sound
of air rushing through the regulator was a blast to listen to!

Detuning would probably cure you of this habit, but I still don't see the logic
of this suggestion once you have learned not to play with your air.


-Jeff                jal@qualcomm.com
From: sdodd@OES.ORST.EDU (Stephen M Dodd)
Newsgroups: rec.scuba
Subject: Instructor/Agency Accountability
Date: 23 Jul 92 17:28:02 GMT
Organization: Oregon Extension Service, Oregon State University, Corvallis, Or.

Hi,

I'd like opinion from those of you on the net involved in training
students about agency accountability.

In one of my classes last night I heard a story about a non-certified
diver teaching another to dive and then the second diver when to someone
"selling" certifications and worked his way up to instructor ... and
then turned around and "sold" the first guy an instructor rating.  Thus
ending up with two bogus instructors.

Both were later seen certifying divers who never made it to the water
because "we know they'll never dive anyway".  They kind of have the
opinion that their instructor ratings allow them to take anyone out,
particularily girlfriends, without any classes.

The case is clear to those observing it.  And the conditions continue.
How's come the agencies don't catch up with them?  It's been at least
four years.

Steve

-- 
- Stephen M. Dodd, System Analyst, Oregon Extension Service
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sdodd@oes.orst.edu          Internet          Oregon State University
503-737-0699                                  Corvallis, OR 97331
Newsgroups: rec.scuba
From: dan@resonex.com (Dan Kell)
Subject: Re: Skin Diver Magazine
Organization: Resonex Inc., Sunnyvale CA
Date: Mon, 27 Jul 1992 11:00:31 GMT

Hi Johnathon;

Welcome to rec.scuba. One second, please.

Nick, Nick, Nick. Your so negative and opinionated sometimes. ;-)

Sorry, had to get that off my chest. In case you haven't gathered by now.
Skin Diver rag is the worst. Its all ads and product endorsements, I mean
reviews. They never say anything negative about the products they review.
Not even suggestions about how the product could be better. It remains to
be seen if Scuba Diver will be any better. Nick is right about getting
the real scoop on equipment.

BTW, Am I the only person who thinks that the article about Monterey in
the latest issue of Scuba Diver was done by someone who called and talked
to people rather than actually diving there. My wife and I both thought
there were some real booboos in the article. I hope this doesn't become
the norm for them.


-- 
Dan Kell                  
email to dan@resonex.com
"Imagination is more important than knowledge."   A. Einstein
From: peterson@hpl.hp.com (Chris Peterson)
Newsgroups: rec.scuba
Subject: Re: There is a better magazine
Date: 28 Jul 92 00:11:49 GMT
Organization: Hewlett-Packard Laboratories, Palo Alto, California

_DISCOVER DIVING_ gets my vote for best diving magazine, too.  It has a far
greater ratio of information to advertising than _SKIN DIVER MAGAZINE_ (SDM).
(I think their editorial policy stipulates less than 40% advertising.) 

_DISCOVER DIVING_ seems to have articles on exotic dive destinations several
months before SDM, e.g. Solomons and Fiji.  I expect that they'll pull off the
same coup this year regarding diving Egypt and the Red Sea.  I prefer the 
style of _DISCOVER DIVING_'s articles to that of SDM; it seems especially
noticable in the travel articles.  SDM's articles seem long-winded in 
comparison.

_DISCOVER DIVING_ also features articles on diving throughout the US (there has
been a tendancy in the last few issues to describe some of *my* favorite
Monterey dive sites.  I was hoping to keep most of them secret :-) ).

_DISCOVER DIVING_ has had some absolutely stellar series on dive computers,
scuba tanks, and women in diving (the dive computer series was expanded into
their popular book on _DIVE COMPUTERS_).

I find the amount of high-gloss print space dedicated by SDM to merely 
describing products to be an irritating waste of my time.

On the other hand, I think SDM has improved a lot under their new publisher,
Bill Gleason.  Note especially their series on buoyancy control and the 
reprints they've circulated.
-- 
Chris Peterson                                     Hewlett-Packard Laboratories
                                                    Research Computing Services
                                                              Palo Alto, CA USA 
(415) 857-6432                                     peterson@peterson.hpl.hp.com
Newsgroups: rec.scuba
From: mjs@hubcap.clemson.edu (M. J. Saltzman)
Subject: Re: Difference between the NASDS/SSI/PADI/NAUI/YMCA Advanced?
Organization: Clemson University, Clemson SC
Date: Fri, 31 Jul 1992 14:33:13 GMT

In article <15aqlaINNpge@darkstar.UCSC.EDU> jdale@cats.ucsc.edu (Jonathan Dale) writes:
>
>In article <1992Jul30.183541.23273@hou.amoco.com> zwbm07@hou.amoco.com writes:
>>advanced & dive master/coordinator courses. Could someone compare/contrast the 
>>advanced and/or dive master/coordinator courses from each of the agencies 
>>(including material covered and pre-requisites)? Please note that I realize that the
>>instructor makes all the difference in the world. If I receive email on this, I will
>>summarize and post. 
>
>Well, one thing that maybe you aren't aware of, is that "advanced" does not
>mean the same thing to every agency.  I don't know about most of the programs,
>but I do know that the NAUI sequence is Open Water I, Open Water II, Advanced,
>whereas PADI calls equivalent courses Open Water, Advanced, Master (check me
                                                             ^^^^^^^^^^^^^^^^
>on that last one, though).  That is, NAUI OW II = PADI Advanced.
 ^^^^^^^^^^^^^^^^^^^^^^^^ 
OK, I think it works like this: Until recently PADI didn't really
offer a course at the NAUI Adv. level.  They now offer an
Advanced-plus rating, which covers theory at the level of the PADI DM
couse, Medic First Aid, and one dive in each of some number of
additional "specialty areas" such as wrecks, photography, etc., beyond
the PADI Adv. requirements.  I think this is closest in spirit to NAUI
Adv.  The PADI Master Scuba Diver rating is for completing Rescue
Diver plus five full specialty ratings (involving some theory and
several dives *each*).

-- 
		Matthew Saltzman
		Clemson University Math Sciences
		mjs@clemson.edu
From: 21329KAD@MSU (Kim Dyer)
Newsgroups: rec.scuba
Subject: Dan Quayle ice cream?
Date: 21 Jul 92 22:08:10 GMT
Organization: Michigan State University


>I have no idea what ice cream you could name after Dan Quayl(e)...

Something with LOTS of nuts ... mixed until it's FULL of air and
therefore EXTREMELY lightweight.  Vanilla.  And artifically sweet.
From: BLG242B@YaleVM.YCC.Yale.Edu (Eric A. Lazo-Wasem)
Newsgroups: rec.scuba
Subject: real answers to sea lice question
Date: 28 Jul 92 21:51:14 GMT
Organization: Yale University

I've noticed a lot of questions about "sea lice".  Here are some answers.
Sea Lice is a term that is not really a broadly accepted term even as a common
name.  With respect to marine creatures there are basically two types; both are
crustaceans.  "Fish Lice" are small forms known as Branchiura, a crustacean
order related to the copepods (planktonic crustaceans).  "Whale lice" are epi-
parasitic crustaceans belonging to the order Amphipoda, which includes scuds
and skeleton shrimps (not related to edible shrimps).  On dry land, there are
terrestrial crustaceans known as "Wood lice", and these are also known as pill
bugs and sowbugs; these belong the crustacean order Isopoda.
 
None of these groups are even remotely parasitic on humans.  Occasionally, fish
erman catch fish with fairly large (1") epiparasitic isopods preying on the
gill cavities of large pelagic fish such salmon, sea bass, bluefish, etc.  If a
fish is caught and held by the gills, these parasites will often adhere to the
hand, but this is just a response to being dislodged.
 
There is no relation between these creatures and schistosomes or blood flukes,
which are definitely parasites of mammals, including humans.  The flukes which
parasitize humans are all found in fresh waters; their minute larvae leave an
intermediate host (snail) and enter into the legs, etc. of people standing in
water (ex. working in rice paddies).  Salt water forms can penetrate the human
skin (causing a swimmer's itch) but are not able to develop into adults, hence
they die.  In the midwest US blood flukes of birds and some mammals will also
try and attack humans, but the result is the same; the parasites are host
specific with respect to their ability to actually cause serious harm.
 
Hope this sheds some light on the subject.
                               E.A. Lazo-Wasem
                               Peabody Museum of Natural History
 
Newsgroups: rec.scuba
From: adb@herboid.uucp (Anthony DeBoer)
Subject: Re: A note on using computers for decompression diving
Organization: Linda's Dragon Memorial Society
Date: Tue, 21 Jul 1992 03:01:25 GMT

In <930544@hp-ptp.ptp.hp.com> davew@hp-ptp.ptp.hp.com (Dave Waller) writes:
>Or, if you can afford it, carry a backup computer. I, and several other regular
>contributors here carry EIT/Orca Delphi's as our primary instruments, with
>a Skinny Dipper in the BC pocket as a backup, since htey both use the same
>decompression model.

Sorry if I've missed this if it's come up before, but why would you want
your two computers to use the same model?  I know a pair of divers who both
dive to the ragged limits of their computers (although they do claim they
took a day off from a down-south trip once after they got into 40-foot
decompression stops), and they deliberately bought two different units and
stay with whichever one is more conservative at the moment.  The other will
happily handle not ascending as quickly as it says you could; that's the
whole principle behind computer-assisted multi-level diving.

The one reason I could see for using identical models is that if a different
computer tucked away in your BC pocket turned out to be more conservative
in a given situation and you unknowingly blew its decompression ceiling
while following your other computer, it could throw an electronic tantrum
(I hear some models do) and not want to track your subsequent diving, or
incorrectly recover from the situation.  Is this the reason?
-- 
Anthony DeBoer   NAUI # Z8800, D5482 | Why watch TV, when Netnews provides
adb@herboid.uucp | adb@geac.com      | 100% of your daily requirement for
uunet!geac!!herboid!adb              | trivia and meaningless entertainment?
Newsgroups: rec.scuba
From: stevem@col.hp.com (Steve Meyer)
Subject: Re: Rehersal of weight belt ditching
Date: Fri, 31 Jul 1992 20:35:03 GMT
Organization: HP Colorado Springs Division


For the simulated ascent (60 feet moving horizontally), you said the 
regulator is removed from your mouth.  I thought that even in out of 
air situations the regulator should be left in your mouth because of the 
possibility of getting one more breath out as depth decreases.
I am PADI trained, not YMCA.  I do not know if this is the difference, 
or if it is just instructor differences.

(For the simulation, the instructor can feel the regulator vibrate as the 
student says "Ahhhhhhh" thru the regulator).
  
Newsgroups: rec.scuba
From: clampin@scivax.stsci.edu
Subject: Re: questions about incidents
Organization: Space Telescope Science Institute
Distribution: na
Date: Sat, 25 Jul 1992 00:15:56 GMT


  There have been a lot of questions recently regarding incidents
and lessons to be learned. The British Sub-Aqua Club in the UK maintains
an incident file to which divers are encouraged to contribute reports of
diving incidents. These span fatalities to fairly trivial incidents, the
idea being that there is a lesson to be learned by one and all. 
Anonymity is maintained as a way of encouraging people to be honest,
the program being used for statistical purposes only. 

 Each year a report  summarizing the previous years incidents is distributed
to Branch Diving Officers who can then discuss it with their instructors. It
has proved useful for identifying patterns of dangerous diving and areas in
which the training program could be enhanced.

Perhaps its time to try to put together such a program here. It would require
some cooperation by the various agencies to make it work though.....

Newsgroups: rec.scuba
From: jcv26@cas.org (Jon Vander Hill)
Newsgroups: rec.scuba
Subject: Re: Information Wanted for Instructor Certification Procedures
Date: 22 Jul 92 19:48:57 GMT
Organization: Chemical Abstracts Service, Columbus, Ohio, USA

In article <9207211005.aa15559@hel4.HEL4.BRL.MIL> wall@HEL4.BRL.MIL (JEFF WALL) writes:

   I was suppose to do my Nitrox certification dives on the 4th of July
   but we got blown out.  The instructor certifying me said that PADI was
   now offering a Nitrox specialty.  I believe it is one of those generic 
   specialties where the instructor submits an outline and is allowed to
   teach the material under the PADI structure.  Anyway it's been real 
   recent (after the magazine atricles, which I also read) I think my Nitrox
   instructor heard about it a week or so before he told us, but I don't 
   know the details on how he found out.  I'm going this saturday to 
   finally get the dives done (unless we get blown out again) I'll let you
   know if I find out more details.

I just got off the phone with one of the education consultants at PADI
headquarters.  He said that PADI does not and has no current plans to offer
a Nitrox specialty.  Futhermore, PADI does not sanction the use of
Nitrox during any PADI training activity.  

Jon Vander Hill                          PADI DM, NSS-CDS & NACD Full Cave
jon@cas.org
These comments represent my views and not necessarily those of
PADI, the NSS-CDS or the NACD.
From: peterson@hpl.hp.com (Chris Peterson)
Date: Fri, 24 Jul 1992 21:06:19 GMT
Subject: Re: NAUI Instructor Course (ITC)
Organization: Hewlett-Packard Laboratories, Palo Alto, California
Newsgroups: rec.scuba
Distribution: ca
Keywords: NAUI ITC instructor course

UC Bodega Marine Lab ITC, August 21-30

Staff as of July 24, 1992:

	Martyn Perry, course director
	Don Morris, academics director
	Dave Nagle, pool & OW director

	Pat vanMullem, evaluator
	George Wilcox, evaluator

	Jeff Irwin, team leader
	Bruce Brown, team leader

	"Omaha" Greene
	Henry Fastenau
-- 
Chris Peterson                                     Hewlett-Packard Laboratories
                                                    Research Computing Services
                                                              Palo Alto, CA USA 
(415) 857-6432                                     peterson@peterson.hpl.hp.com
Newsgroups: rec.scuba
From: watkins@hsi.com (Carl Watkins)
Subject: Undercurrent back-issues
Summary: anyone want them?
Organization: 3M Health Information Systems, Wallingford, CT.
Distribution: usa
Date: Mon, 27 Jul 1992 15:01:40 GMT

I have issues of Undercurrent, January 1985 - Febuary 1988, available.
If someone would like the bunch of them, and would pay postage, please
mail me.

Thanks,
Carl
-- 
Carl Watkins 			{uunet,yale}!hsi!watkins -OR- watkins@hsi.com
3M Health Information Systems,  100 Barnes Rd, Wallingford, Connecticut 06492
From: 73467.2574@CompuServe.COM (Andy Schmidt)
Newsgroups: rec.scuba
Subject: Large steel tanks available
Date: 31 Jul 92 03:28:05 GMT

On Wed, 29 Jul 1992 15:33:17 GMT walz@elde1.epfl.ch writes in his
message <1992Jul29.163317.1@elde1.epfl.ch>

MW> We are a group of swiss cave divers and one of us has ordered a special
MW> fabrication of those 20 l steel tanks, but the companie who makes them won't
MW> make less than 300.

Why did you make a 'special order'? 20 liter tanks are readily available
for purchase in Germany, and the minimum batch for specialty orders (e.g.
U.S. valve threads) is 200.

MW>They don't usually make 20 l tanks.

Contact Faber in Italy. They produce standard 20 liter tanks regularily 
according to the IWKA patent with metric valves. My importer in Bremerhaven
can sell any volume including single tanks.

MW>Please contact me if you are interested

Have you been in touch with Wolfgang Morlock? He just bought a few units
last fall.

Andy

PS: If you run into Oliver Knab or Herman de Swar, please send them my regards.
Newsgroups: rec.scuba
From: 10529810@eng2.eng.monash.edu.au (DEAN NICLASEN)
Subject: Re: How to stop sucking air?
Organization: Faculty of Engineering, Monash University 
Date: Tue, 21 Jul 1992 04:49:05 GMT

In article <1992Jul20.183157.3776@berlioz.nsc.com> raisty@berlioz.nsc.com (Sue Raisty) writes:
>From: raisty@berlioz.nsc.com (Sue Raisty)
>Subject: How to stop sucking air?
>Date: 20 Jul 92 18:31:57 GMT

>Oops.  I messed this post up the first time...

>I'm a newly cerified open water diver and I have this problem:
>I breathe too much.  Way more than everyone else I dive with.
>So is there anyway to stop sucking so much air?  I do try to 
>concentrate on taking slow even breaths, but I don't know if it is
>helping.  Does you just naturally get better at it with more 
>experience?  I'm in ok physical shape, but would more exercise help?

>Thanks,
>Sue
One thing that I do not recommend is paying too much attention to it.  I use 
yo try and slow down my breathing when I was first diving, but the result 
was some extremely bad headaches.  I believe the headaches were caused by 
carbon dioxide levels being upset by not breathing properly.  As you do more 
dives, you will find that your air consumption goes down as you relax more.
Dean
Newsgroups: rec.scuba
From: bsmart@bsmart.TTI.COM (Bob Smart)
Newsgroups: rec.scuba,alt.fan.dan-quayle
Subject: Re: Quayle a diver?
Date: 23 Jul 92 06:27:31 GMT
Reply-To: bsmart@bsmart.TTI.COM (Bob Smart)
Organization: Citicorp+TTI

In article <1992Jul17.135628.6796@mailer.cc.fsu.edu>,
mayne@eta.cs.fsu.edu (William Mayne) writes:
> In article <1992Jul17.114300.4279@bb1t.monsanto.com>
tjfeue@bb1t.monsanto.com writes:
> |>Jeeze, if Quayle is
> |>a diver, Cert. agencies must be getting pretty lax!   ;-)

Standards might not have slipped, after all.  Maybe Dannoe is just
living proof that deep diving has consequences....

---------

A fanatic is someone who does what he knows that God would do if God knew the
facts of the case.

Some mailers apparently munge my address; you might have to use
bsmart@bsmart.tti.com -- or if that fails, fall back to
72027.3210@compuserve.com.  Ain't UNIX grand?
Newsgroups: rec.scuba
From: njs@scifi.uucp (Nicholas J. Simicich)
Subject: Re: Longboat Key
Organization: Nick Simicich, Peekskill, NY
Date: Fri, 24 Jul 1992 13:07:53 GMT

In article <813@emoryu1.cc.emory.edu> antae991@emory.edu (Howard D.
Seidel) writes:

>I'm going to Longboat Key (near Sarasota, FL) and would like to do
>some diving there.  Can anyone recommend a good dive shop and/or
>spots to see.  I will need to rent equipment and will be with friends
>who want to go snorkling while I dive.

The diving in Sarasota is mostly well offshore.  I found a couple of
shops along 301 when I drove through there in downtown Sarasota.
Because of this, I doubt that there will be sites really suitable for
a mixed bag of divers and snorkelers.

When I was a kid and used to swim and snorkel near the beaches, I
remember fairly poor vis and no that much to see.  The sand bar goes
out a fairly long way.


-- 
Nick Simicich - uunet!bywater!scifi!njs - njs@watson.ibm.com
SSI #AOWI 3958, HSA 318, NAUI #14065
Join the movement ---  turn 'to bush' into a verb.
Newsgroups: rec.scuba