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Search results

  1. 135gmc

    S-250 Shelter / Ham Shack Conversion

    If you take a close look at the outside of the shelter, you will find rivets that hold the sides to the reinforcing Hat Channel. These rivets run down both sides of the channel, about 2 - 21/2" as I recall. The center line of the channel rows are on 19" centers - those 19" centers are where you...
  2. 135gmc

    S-250 Shelter / Ham Shack Conversion

    The side vents are pretty useless unless you have a ground mounted Environmental Control Unit (air conditioner). The ECUs had 12" hose connecting them to an adapter to match the round hose to the rectangular shelter vents. I've seen the vents cut out and replaced by a window, but be careful -...
  3. 135gmc

    S-250 Shelter / Ham Shack Conversion

    If anyone needs some of the aluminum extrusions used for the radio racks, drop me a note - I won't be using most of the "hat" channels that were in my S-250
  4. 135gmc

    S-250 Shelter / Ham Shack Conversion

    Most of the S-250's were used for radios, but they were reworked by using outfits as needed - During their heyday in Vietnam, no one was going to throw a shelter away that was rain tight, and after the Vietnam war, they were still too useful to be thrown away. I've seen a row of 10-15 of them...
  5. 135gmc

    S-250 Shelter / Ham Shack Conversion

    By the way - GL has a bunch of S-250 & S-280 shelters going up for sale in AL right now. There was one Gitchner S-250 that was sold today - the last bid I saw for it was over $ 1400! There wasn't much in it - interesting to see that they had installed the fuel-fired heater in the front upper...
  6. 135gmc

    S-250 Shelter / Ham Shack Conversion

    WOW! I thought I've seen every kind of connector on a shelter power line, but that is a new one. My AC also needed a recharge - the original charging valves were the problem. We replaced them with modern Schraeder valves, pulled a vacuum, and recharged the system. By the way - there is an...
  7. 135gmc

    S-250 Shelter / Ham Shack Conversion

    Professor - I am envious of your luck in tracking down an air conditioner in MSP (from your older posts) - I wound up buying one from Colemans. It was new in the box, but shipping was $ 165.00! You gotta admire military packaging, though - after I tunneled through 100 Lbs of lumber, cardboard...
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