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DSEFO144-6RS Rev 1/21
FIGURE 4.
Страница 1: ...E Plane 44 H Plane 52 Sidelobe level decibels E Plane 24 H Plane 18 Power rating Continuous Watts 1500 Stacking Distance in m E Plane 98 2 489 H Plane 91 2 311 MECHANICAL SPECIFICATIONS Boom length i...
Страница 2: ...m joints 2 The boom consists of two aluminum tubing sections with a sleeve in the middle The sleeve is pre attached to the rear boom section Assemble the boom pieces by sliding the front boom section...
Страница 3: ...tly shorter DIR 4 is the shortest The keeper must be installed as shown in Fig 2 Using the aluminum tubing tool supplied slide the keeper to within 1 8 or 3mm of the scribed line Final adjustment will...
Страница 4: ...are is definitely required here Check your work as you go Proceed with the next element in similar fashion Check off each element on Table 1 to monitor your progress Double check element lengths one l...
Страница 5: ...P a g e 5 DSEFO144 6RS Rev 1 21 FIGURE 4...
Страница 6: ...P a g e 6 DSEFO144 6RS Rev 1 21...
Страница 7: ...ease be sure that you build each antenna with the same T match wire orientation In the above drawing the center pin goes to the right hand side of the antenna as viewed from the back of the connector...
Страница 8: ...enter conductor of the balun another 6 internal tooth lock washer the lug from the N connector another 6 internal tooth lock washer the T arm and screw into the insulator 8 Place a 8 split lock washer...
Страница 9: ...ge adjust the shorting bars for minimum SWR Always keep the shorting bars th same distance from the ends of the driven element Generally good wattmeters can reliably indicate SWR down to about 1 2 1 A...
Страница 10: ...P a g e 10 DSEFO144 6RS Rev 1 21 Using the dimensions supplied your SWR should match our plot...
Страница 11: ...rective Systems Warranty Policy All Directive Systems antennas are built with the finest materials available We take great pride in building a quality product that will give years of good service and...
