TEXT IS FROM AUGUST 2008 QST PAGES 31, 32 AND 82  ‰ QST DE W1AW  ƒ

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THE DESIGN, THE PVC PIECES WERE CEMENTED TOGETHER WITH PVC CEMENT, FORMING
A WATERTIGHT SEAL AS SHOWN IN FIGURE 6.  THE EXTENDING BRASS SCREWS ARE
ATTACHED BETWEEN THE 40 METER AND 80 METER WIRES OF THE DIPOLE USING BRASS
NUTS.  THE DIPOLE SEGMENT LENGTHS WERE DETERMINED USING THE USUAL 468/F
RELATIONSHIP.  THE AIR TUBE FEEDING THE PNEUMATIC SWITCHES WAS 1/8 INCH OD,
1/16 INCH ID CLEAR PVC TUBING MCMASTER CARR PART NUMBER 5233 K514.  THIS
LOW COST TUBING IS TRANSPARENT AND HAS GOOD ULTRAVIOLET RESISTANCE.  A
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SINGLE LENGTH OF TUBING WAS TAPED ALONG THE COAXIAL FEED LINE UP TO THE
DIPOLE CENTER INSULATOR.  A PNEUMATIC T FITTING WAS THEN USED TO SPLIT OFF
THE AIR LINE TO THE LEFT AND RIGHT SEGMENTS OF THE DIPOLE AS SHOWN IN
FIGURE 7.  THE TUBING WAS ATTACHED ALONG THE DIPOLE WIRES USING ELECTRICAL
‰  FROM PAGE 82  ‰
338 G4IUF/345 JA7MA/364 K6AM/345 OE3WWB/360 W1HH/380 WA6F/347 JM1TWR/345 N4
MM/365 W6UA/340 DK3SF/352 HB9CGA/341 JA1VN/352 JI1NJC/341 G4SOZ/337 JA7MFL/
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