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Frederick Goodman

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Posts posted by Frederick Goodman

  1. I am joining a trip in Canadian waters this summer.  I have a handheld VHF with DSC (digital selective calling) for which I have registered an MMSI (marine mobile service identity).  However this MMSI was obtained through BoatUS, which handles domestic MMSI registration for the FCC.  It is not registered internationally.  

    Apparently, in order to obtain an internationally valid MMSI, it is necessary to cancel the domestic MMSI and apply directly to the FCC for a new MMSI.   This appears to be a little complicated and involves a new fee.
     
    Does anyone have any thoughts or experience with this?   Is it even worth the trouble?   I think it would only be a concern for issuing an automatic distress signal using DSC. 
  2. Here's some information you probably don't need (yet).    I use a Kokatat-branded hydration bladder that is actually made by Hydrapak.   Here is some information about part replacement and maintenance.   The slider closure of the bladder can become very hard to operate, but a little bit of food grade silicon lubricant works wonders.  The drinking tube and mouthpiece can be replaced with hydrapak parts or parts from other manufacturers of hydration systems.   A cleaning kit for the hose can be obtained from hydrapak; the hose tends to get populated by an unspeakable micro-biota after a while.   I had to replace the o-ring in the quick disconnect (hose to bladder connection);  the following size worked:   8 mm inner diameter (ID)  by 2 mm cross-section (CS)  by 12 mm outer diameter (OD).   In general, o-ring dimensions can be specified by any two of ID, CS, and OD.  Lubricate the o-ring with a tiny bit of food grade silicon lubricant, not cooking oil, etc.

     

    Edit: Don't believe everything you read on the internet.  The o-ring leaked.  The only solution I found is to buy a new quick-disconnect from hydrapak.  $7 part to replace a 50 cent o-ring.

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