decompression

In the PADI Open Water Course where they are talking about dive computers, there is a part where they tell about the types of information that a dive computer displays. No stop (no decompression) limits Depth Elapsed time No stop time remaining Ascent rate Emergency decompression Previous dive...

The manual has a quiz that asks the students this question in Chapter 3: "What are the 2 main modes of operation of a dive computer?" The correct answer is 1. Surface mode 2. Decompression mode. I am puzzled, what do these answers mean. If I am diving a normal NDL dive, in what mode is my comp...

Hi there, I’m looking for some advice in terms of getting a PFO test (transoesophageal echocardiogram) after my recent diving trip to the Maldives and experience of decompression sickness. I’m a diver from the UK! I was diving in Fuvahmulah (absolutely incredible diving!) last month and was on...

With Shearwater supporting DCIEM upgrades for commercial and military applications, I thought this might have been discussed here but haven't found much with searches. I live and dive around Victoria BC, and have done some contract work on the boats that the Canadian Navy Fleet Dive Unit use...

Hi Everyone! I have been wanting to start the TDI advanced nitrox and Deco procedure courses and I don't intend to use trimix . One of the biggest reason I haven't really started was the upfront cost of the two courses and the two Perdix I had to buy. Now I see the Peregrine allows 3 gases and...

Azoth: O'Dive - The first connected sensor for personalised dives Lots to read, but in a nutshell it appears that the company is offering a Doppler sensor to be used after dives, data analysis being performed on a server and results returned to the user (too bad if you are in a remote location...

Want to buy a dive rite reg for deco. Nothing special, preferably o2 cleaned and unbalanced first stage. Located in cave country.

Hi everybody! My goal is to be able to calculate NDLs. I'm currently using Buhlmann's M-values, and I can use the "Schreiner equation" to calculate the tissue pressures at any point in a dive. I cannot figure out how to calculate NDLs for the compartments at points in a dive. I'm using Deco...

Has anyone come across the actual algorithm that can be used in MS Excel?

What do you use? Pinky or Hawaiian hang loose? I ask because the other day I went into deco and did a Hawaiian to my instructor. It took him a minute to understand I was doing deco and not trying to tell him that I was really excited (which I was actually, so... I guess 2 birds with a stone?)

The TDC-3 is on sale for cyber Monday $749 USD for the TDC-3 OC / SP model. view $899 USD for the TDC-3 EXT for fischer cable model. view The TDC-3 is a new computer for the OC or CCR tech diver, for trimix and EAN decompression diving. It has a low profile and contoured all metal body...

I have questions about the provided plan variations in Subsurface when planning a deco dive. At the top of a generated plan in Subsurface, there's an option to generate plan variations, for an extra minute of bottom time and an extra meter of depth. It's formatted as below: Stop times: + 1:26...

This may be way beyond my skills and knowledge however I am interested in learning more about the principal of gas density at depth leading to suffocation from co2 poisoning. This seems kinda neglected by training agencies like PADI in terms of the physiology side of gas density (at least in...

Unused new-old stock Online. 12 foot webbing with sewn loops. Stainless carabiner and stainless anchor clip. $20, domestic postage is free.

I'm trying to do some research into how decompression tables changed in the 1960s, and I have found some sites that refer to how diving activity evolves during this period, but not specifically any information on diving tables. I am wondering if anyone here might know how tables changed from...

Time to hold my hand up and admit I screwed up and ended up with mild case of Decompression Illness (DCI) on a recent dive liveaboard in the Maldives. There were however a couple of lessons to learn that may be of benefit to others. I was with an experienced group of divers all who had 500+...

*Edit* - Stressing out that this query is not in relation to formal continuous decompression methods employed in some saturation or chamber operations. I meant 'continuous' also in the context of a staged decompression, but where the ascents are calculated micro-stops themselves. Thus curving...

Hi all- I want to get at least some basic deco training, mostly with an eye to diving Truk in a couple years and maximizing what I can see and do there. None of the TDI/SDI instructors I’ve left messages with are calling me back, but a PADI TR instructor has been good about communication...

Yesterday we "found" a decompressed scuba diver in the ocean and were able to bring him back to shore where an ambulance took care of him from that point. He is being held in coma for 2 days, serious situation. He and a buddy were spearfishing using tanks when things went wrong... Lets learn. 1...

Hey everyone, does anyone know if it is possible to use Multideco on a chromebook? I am talking about the full software, not the mobile app. Thanks in advance!