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When your purchase is complete your file will appear in your "My files" section (accessed from your personal menu on the right).

GUE's DecoPlanner 3 once again sets the bar for convenient and efficient planning tools. GUE DecoPlanner 3 incorporates VPM bubble modeling in addition to our historically popular gradient factor Bühlmann modeling. Both VPM and Bühlmann are easily accessible from the same page by merely toggling between to excel style sheets. Divers can, therefore, run multiple comparisons, changing gradient factors and bubble factors on the fly. DecoPlanner 3 also comes bundled with GUE's DiveLog software. This extensive dive log software provides detailed dive log features as well as the ease of uploading one's dives to GUE HQ for certification card renewal. The very popular Gas Management Program is also included with DecoPlanner 3.

• DecoPlanner is available through GUE for Windows 95/98/NT 4.0/2000/ME/XP/Vista.
• DecoPlanner 3 comes bundled with both DiveLog and GMP and is now available through GUE for $149 US. Owners of the previous versions of DecoPlanner can purchase the new version for $129. Click here to add the discounted version to your shopping cart.

Thousands of copies of DecoPlanner are used by divers around the world in both recreational and aggressive technical diving situations, including world record cave diving explorations in the Woodville Karst Plain and deep-sea documentation of the Britannic shipwreck. DecoPlanner has been used to calculate a series of progressively more aggressive long and deep dives. Developed by Simon Tranmer, with assistance by Erik Baker and GUE representatives from around the world, DecoPlanner is available through GUE for Windows 95/98/NT 4.0/2000/ME/XP/Vista.

• The simple Excel style spreadsheet format provides divers with an unprecedented level of control and convenience. Divers can immediately change any part of their dive plan and instantly recalculate their profile.
• Calculate loss of deco gases, multiple mixtures, multilevel dive profiles, repetitive dives and a host of various parameters with the touch of a button.
• Experience a new level of control over safety factors with GUE's revolutionary gradient factor method, which allows safety factors to be customized across multiple diving profiles. For example, gradient factors establish a percentage of maximum compartment pressure, which can be individually established based on individual decompression success.
• GUE's DecoPlanner finally allows divers a legitimate and reasonable method to calculate deep stops. DecoPlanner empowers divers with a calculated max decompression stop, which indicates the deepest effective stop. DecoPlanner eliminates the ad hoc, mysterious, and subjective "guidelines" for deep stops. Enjoy a proven and sensible deep stop technology proven by years of aggressive diving and developed by some of earliest proponents of deep stop benefits.
• DecoPlanner displays a range of valuable information allowing divers to monitor compartment pressure of all inert gasses, m-values, %m-value, gradient factor, %ambient pressure and more.
• Enjoy the ease of planning multiple times and depths all at one time. For example, calculate a 200-250 dive from 10-30 minutes in a matter of seconds.
• Switch from Metric to Imperial measurements and back quickly and easily
• Enjoy a convenient and scuba calculator and free associated gas-mixing program.

Divers using this program should be aware that decompression is not an exact science and what this program does is attempt to draw a line through this scientific uncertainty whilst providing education such that the user can better understand the results being produced. Although this program can be used to plan extensive Nitrox and Trimix dives it is NOT intended that the program becomes a shortcut to bypass formal training in these subjects.

DecoPlanner allows the user to plan repetitive dives over any period. The theory behind repetitive dives is based on Bühlmann's pulmonary shunt model. During a surface interval, the elimination of gas is delayed due to the pulmonary shunt mechanism and the gas-loading remain higher than a normal set of calculations would conventionally calculate. Accordingly, on repetitive profiles, it will mean either less no-stop time or longer deco time.

DecoPlanner runs gas loading calculations for all the compartments on a continuous basis, which may cover days or even weeks! The gas loading are calculated and updated within a mission and are calculated dependent on what the diver is doing (surface interval or diving).

At the end of the first dive of a mission (i.e. after all decompression) each compartment will have a certain loading of helium and nitrogen. Generally, after oxygen decompression, the fast compartments will be completely empty of helium and nitrogen and they will on-gas with nitrogen during the surface interval. The slowest compartment, 635 min for nitrogen, takes over 2-1/2 days to completely off-gas so any repetitive dive will halt that process.

If you own Deco Planner version 3.1.3, you can download an upgrade to 3.1.4 here. (Right-click and Save as...).

When your purchase is complete your file will appear in your "My files" section (accessed from your personal menu on the right).

DiveLog is a very simple yet flexible electronic dive log and dive analyzer.

DiveLog lets you download profiles from a growing number of dive recording devices. Divers can analyze every aspect of their profile from the shape of ascent to gradient factors and oxygen loading. You can easily keep track of your dive statistics, and also export your dives to assist with planning or to share with dive buddies; this feature also allows you to send your dives to GUE HQ when renewing your GUE certification. DiveLog is now available for Windows. DiveLog costs $15 as a stand-alone application.

Please note that DiveLog has its own troubleshooting/FAQ page available for additional support and information.

Attention: Dive Log is a Java-based application. The current version is Windows-only. Before installing either Dive Log or GMP, you must have the (free) Java Runtime Environment installed on your system. Go to Sun's Java.com to download the JRE for your computer before attempting to install the GUE Java-based programs.

When your purchase is complete your file will appear in your "My files" section (accessed from your personal menu on the right).

Gas Management Program (GMP) is a seven-part tool that helps you to plan and evaluate your gas needs. With tools ranging from simple END and MOD calculators to an elaborate mixing section, GMP assists divers of every experience level in a wide range of scenarios. Do you need to know what mix you will get by combining the leftover gases from previous dives? GMP can help. Do you not have the time to do continouous blending calculations or using real gas laws in your head? GMP will do the math for you. Divers and gas blenders already enjoy its user-friendliness on a daily basis around the world, and GMP is now even more capable, efficient and accurate through billions of test runs. GMP is now available for Windows. GMP costs $15 as a stand-alone application.

Please note that GMP has it's own troubleshooting/FAQ page available for additional support and information.

Attention: GMP (Gas Management Program) is a Java-based application. The current version is Windows-only. Before installing either Dive Log or GMP, you must have the (free) Java Runtime Environment installed on your system. Go to Sun's Java.com to download the JRE for your computer before attempting to install the GUE Java-based programs.

When your purchase is complete your file will appear in your "My files" section (accessed from your personal menu on the right).

Gas Management Program (GMP) is a seven-part tool that helps you to plan and evaluate your gas needs. With tools ranging from simple END and MOD calculators to an elaborate mixing section, GMP assists divers of every experience level in a wide range of scenarios. Do you need to know what mix you will get by combining the leftover gases from previous dives? GMP can help. Do you not have the time to do continuous blending calculations or using real gas laws in your head? GMP will do the math for you. Divers and gas blenders already enjoy its user-friendliness on a daily basis around the world, and GMP is now even more capable, efficient and accurate through billions of test runs. GMP is now available for Mac OS X. GMP costs $15 as a stand-alone application.

GMP has it's own troubleshooting/FAQ page available for additional support and information.

Attention: GMP (Gas Management Program) is a Java-based application. Before installing either Dive Log or GMP, you must have the (free) Java Runtime Environment installed on your system. This is normally included in Mac OS X. If not, go to Sun's Java.com to download the JRE for your computer before attempting to install the GUE Java-based programs.

When your purchase is complete your file will appear in your "My files" section (accessed from your personal menu on the right).

GUE is at the forefront of decompression software development, with a proven foundation of real world testing by diving's most active researchers and explorers. Our PC-based DecoPlanner is already in use by divers around the world in both recreational and aggressive technical diving situations, including world record cave diving explorations in the Woodville Karst Plain and deep sea documentation of the Britannic shipwreck. This immensely popular program is now available in a Palm OS Version as DPlan for the Palm. DPlan runs on any PDA using the Palm OS.

Features
ZHL-16B
gradient factors
metric and imperial
altitude
range plans
multilevel dives
repetitive dives
standard dive and deco mixes (but not limited to)
simple, intuitive interface

Download the free DPlan version 1.1 with documentation (trial version)

Purchase registration key

What other divers are saying about DPlan:

DPlan is what DecoPlanner and other palm deco software should have been. The interface is so cleanly designed and easy to use, it takes only seconds to generate all the dive profiles you need for a given dive. No endless question-answering or cryptic settings. The resulting tables are uncluttered, showing all pertinent information and nothing extraneous. Since the deco schedules are viewed, saved and reopened within the application, there's no problem for even a novice to find the generated tables. The customizable list of standard mixes and standard deco gas sets greatly speed the process of generating the right set of tables on the first try. It's easy to save all the permutations of all the dives I do on a regular basis for later viewing. Now that I'll no longer need to bring a laptop on the boat with me, I've got an old -- and slightly salty -- 486 for sale. Any takers? Maggie Owens Wreck diver from New York

Over the years, I have used almost every publicly available computer-based decompression program. Recently, the Palm platform has made the laptop at the dive site archaic. Although it is a brand new program, DPlan is miles ahead of other palm based deco programs like DecoWeenie. DPlan is simple, fast, intuitive and the interface is straight forward. Dive planning is easy and safe because depth, time, and other variables are visible and easily changed at any time. Repetitive diving is a breeze. The simplicity makes it easy to use on a rocking boat. Dplan doesn't really need a manual if you have some clue about deco. DIR has always been "simple is best", and DPlan fits that mold. Art Ranz Midwest diver who does caves, wrecks, mix, teaches a little, and still likes an occasional simple fish dive

Probably the best point about DPlan is the extreme portability of this system, using deco algorithms that GUE customers are already familiar and comfortable with. No more lugging a laptop around to dive sites. I think Todd did a great job with the interface, making everything you need easily available, and judiciously eliminating what was necessary to get a clear display. Users should find it extremely intuitive and easy to use, even if they are not already using DecoPlanner on their desktop. As a matter of fact, the only reason I bought my Handspring was because I found out Todd was developing this software... Rich Lesperance Cave and wreck diver, Tampa, Florida

It's great to be able to leave the laptop at home, and still have decompression planning software at my fingertips. The Range Planning feature makes it simple to do "what if" planning for a series of times and depths. The bailout report is nice for those new to thinking about decompression procedures, since it sets a baseline for what to do i the dive needs to be aborted almost immediately. More experienced decompression divers probably don't need this feature, but it's nice for teaching and learning. Jan Sitchin Technical diver from South Florida

Having been involved in the DecoPlanner development on the PC, I was skeptical that it would be possible to fully implement DecoPlanner's approach to decompression planning on a Palm powered device. However Todd has produced a truly excellent tool, which produces quick, accurate and informative results. The two tools together complement each other, allowing complex pre dive planning exercises as well as on the spot modifications to dive plans Graeme Davison GUE instructor and member of the original DecoPlanner development crew

My Palm is with me 24/7. I liked the idea of having access to a decompression program anytime, anyplace. I see in PalmOS and DIR a common philosophy of "less is best." DPlan focuses on the information a diver needs about the decompression model, without cluttering the main screens with extraneous data. Encouraging the use of GUE's standard dive and deco mixes meshes quite nicely with this, with the end results being clarity, simplicity, and ease of use. Todd Leonard DPlan programmer

DecoPlanner with a reduced price for owners of earlier versions. (The Gas Management Program and DiveLog are still bundled in this package.)

Enter you Hotsynch ID here to purchase a registration key for your copy of DPlan.
Your (Hotsynch) ID is found by starting DPlan on your Palm OS device and navigating to Menu, Options, Registration. Note: It is extremely important that you enter your ID exactly like you see it on your registration screen. (Including letter casing!)