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Recent content by youngd61

  1. youngd61

    Better signals for handy GSM 1800, please comment.

    Thanks to all, Actually I have just finished the trial and it works great ! Dish dimension : D = 870 mm, d =130 mm, f = 363.9 mm so f/D = 0.42 Feed : Helix w/ d = 2", 4 turns 1.2 mm copper wire with copper foil imp matching. Coax cable : RG58 Belden 9907 12 meters length, with BNC connector...
  2. youngd61

    Laser Counter WANTED ! for stacked glass sheets

    yes, among the all of packaging 70% glass edges are exposed . Regards
  3. youngd61

    Laser Counter WANTED ! for stacked glass sheets

    Thank You, dbaird : I'm in contact now with Keyence Singapore to find any solutions available. IRstuff : 1. Tilting a stack of glass sheets are not allowed because could damage (or scratch) the near edge of them, also its too heavy +/- 1 ton each pack. But I will try to find some reff about...
  4. youngd61

    Laser Counter WANTED ! for stacked glass sheets

    Dear All, We got problems when receiving packages of glass sheet especially thin glass 1.5 - 2.0 mm with content abt 200 -250 pcs/pack depend on sizes, we handle this job around 200-300 packages perday. The problem is there are so many wasting time to count the glass manually and always generate...
  5. youngd61

    Better signals for handy GSM 1800, please comment.

    Dear Friends, First, sorry for my English, this is my first post and I have only a little knowhow/experience abt RF transmission. Second, I have problem with handy signal inside my house is very weak sometimes no signal at all, while outside I've got better (2-3 points of 5 full bar). I have...

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