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  1. lukeb

    Cave Navigation Book

    That is how I use REMs (thick end out) and how I believe they are generally used. The book explains this in the text, and how REMs are positioned and used. It does explain how it is diver preference, and the whole point of a REM is that it is only directional to the person who placed the REM...
  2. lukeb

    Cave Navigation Book

    They actually suggested not using presence markers, but they acknowledged that some people do use them. That is why they showed the diagram. That was something I liked about the book. Where there are two options for a procedure, they presented both methods with clear diagrams, while giving...
  3. lukeb

    Cave Navigation Book

    I will be at Ginnie March 27th and April 8th if anyone wants to see the book before commiting to ordering one.
  4. lukeb

    Cave Navigation Book

    I ordered from IANTD Europe and after emailing them, I was able to organize delivery to the UK. I am pretty sure they can deliver to the US as well. I recommend emailing them before you do the PayPal payment as it is not super clear when they are processing the payment as to what you should pay...
  5. lukeb

    Cave Navigation Book

    Attached are examples from the book showing examples of marking a T junction, a jump using a single (team) marker, and a jump using personal markers on the jump line. There are multiple examples of each situation in the book. Showing the line coming from different directions, different layouts...
  6. lukeb

    Cave Navigation Book

    So I finally got to read the book after having it delivered to the UK. It still cost $50 all together with shipping which was excessive, but it is a quality book. It is definitely written from a Mexico cave perspective but I believe most of what it says applies to us in Florida as well. As...
  7. lukeb

    Doubles Wing Recommendation

    Another vote for the Dive rite classic XP. It took me a while to pull the trigger on it because I thought it was too much wing for me but it has been perfect. From double ALU 80s all the way up to double LP104s with an Alu40 deco and an ALU 80 stage, it can handle them all. It is a great wing...
  8. lukeb

    Question Do you take detailed notes on your dives?

    When I first started diving Ginnie I drew a map of the lower section, with all the lines and intersections and kept it in my wet notes. I have only had to look at it once, (when I got confused doing the Expressway tunnel for the first time), but it was always reassuring knowing I had it should I...
  9. lukeb

    Review Review: Orcatorch ZD710

    I was given the light in return for posting a review on it. I had been looking at a buying a different Orcatorch light, but I saw the ad for testers here on Scubaboard so ended up with the Zoomable light instead.
  10. lukeb

    Review Review: Orcatorch ZD710

    I was fortunate to test the OrcaTorch ZD710 Zoomable dive light. For the test dive I took the light to Ginnie Springs in North Central Florida. I was curious how the narrow vs wide angle beams would look in the cave. The two photos were taken outside the spring, showing the size of the light on...
  11. lukeb

    Dive reports with beach/weather conditions

    How is Venice looking after the storms? Are the beaches still diveable?
  12. lukeb

    Ginnie opens for diving tomorrow!

    Where else is opening tomorrow?
  13. lukeb

    Cave Navigation Book

    Who did you order it from? I tried ordering through IANTD CE but it doesn't want to work.
  14. lukeb

    Cave Navigation Book

    Thanks for the update. I've been waiting to hear if it was worth ordering or not!
  15. lukeb

    Sold! AL 50

    I agree, I know they can be hard to find, but they aren't impossible. Craigslist is a good place to look for random sized tanks.
  16. lukeb

    Sold! AL 50

    The 50, and then moving up to 63's for my daughter worked great for us. I think it is a good progression while still having plenty of air for them.
  17. lukeb

    Sold! AL 50

    I've actually shipped a tank to California once before using Fedex. And it was a steel HP130! The buyer paid the shipping but I guess it wasn't that expensive in relation to the tank cost.
  18. lukeb

    Sold! AL 50

    Aluminum 50 for Sale. $110. Luxfer. Born July 1999. Currently in Hydro - February 2020. Needs a visual - (Last Visual was July 2022). This is a great little tank especially for kids. I have used it for the last two years for my daughter teaching her to scuba in the pool. Now she is bigger (and...
  19. lukeb

    OrcaTorch D630 V2.0 Review

    @RyanT thanks for the great review and especially the comparison to the LX20+. You helped me make the decision to get the OrcaTorch 630. I also got a great deal from @rob.mwpropane !!!! I am excited to get it and test it in the caves.
  20. lukeb

    How Cave Shops Calculate Cubic Feet

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