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ATJ
Reaction score
397

Latest activity Postings About

    • ATJ
      ATJ replied to the thread Average Gas Consumption.
      Seriously? This is what I was responding to.... And pointing out that if you add tank volume to the dive computer AND it was used to...
    • ATJ
      ATJ replied to the thread Average Gas Consumption.
      GTR = Gas Time Remaining. It is based on your current gas consumption and the remaining gas in the tank, and assumes you will maintain...
    • ATJ
      ATJ replied to the thread Average Gas Consumption.
      That is exactly what I already do and I wasn't suggesting anything different. I was pointing out that if Shearwater (or any other...
    • ATJ
      ATJ replied to the thread Average Gas Consumption.
      Please reread my post. I don't think you have followed what I was saying. I certainly wasn't saying that a 12L tank holds the same...
    • ATJ
      ATJ replied to the thread Average Gas Consumption.
      Thinking about this further, I don't believe it would make any difference to GTR calculations if they used RMV instead of SAC and you...
    • ATJ
      Good point. And I think the terrain also makes a big difference. One site I dive, I basically do my "safety stop" as I'm swimming...
    • ATJ
      ATJ replied to the thread Average Gas Consumption.
      You started by talking about Shearwater computers and they use the term SAC correctly: volume by time: bar/min (for the metric people)...
    • ATJ
      Because I do two hour dives and have ended up with almost no NDL with air and have to cut a dive short. 25% gives me more than enough...
    • ATJ
      I tried Tec mode and didn't like the display at all so went back to Rec mode on my Perdix. I was able to add SurfGF to the right of...
    • ATJ
      ATJ replied to the thread Average Gas Consumption.
      SAC by definition is the change in pressure not the gas consumed (which is RMV). Even if you could put your tank volume in, it wouldn't...
    • ATJ
      If it was me, I'd go for the second hand transmitter (as long as you know it is working). They are rock solid and last for ages. All...
    • ATJ
      I find MagicSeaweed invaluable for planning my (shore) dives around Sydney. For Australia it gets its data from Australian Bureau of...
    • ATJ
      The problem with SST is it often does not reflect the temperature at depth. Here off Sydney, even though it is the middle of summer, we...
    • ATJ
      ATJ replied to the thread 2022 Dive Goals?.
      Same goal as previous years - dive every weekend. I actually hadn't missed a weekend dive from April 2013 until I had some health...
    • ATJ
      ATJ replied to the thread Scorpion or Stone Fish?.
      Note that a stonefish is a scorpionfish. Scorpionfishes are members of the family Scorpaenidae and includes stonefishes as well as...
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