animation: rotating the unused top yagi in a 3-yagi stack instructions: to view the animation, click...

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Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press F5. The animation will repeat until you press Escape. To examine the material more closely, do not enter the animation. Use the Page Down and Page Up keys to move between the slides. Note these pattern variations are not quite symmetrical because K4JA’s antennas rotate on ring-rotators around the side of the tower. When an antenna points in the opposite direction, for example, its boom will be on the opposite side of the tower from the other booms.

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Page 1: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Animation: Rotating the unused top Yagi in a 3-Yagi stack

Instructions:

To view the animation, click on the pull-down menu Slide Show/View Show or press F5. The animation will repeat until you press Escape.

To examine the material more closely, do not enter the animation. Use the Page Down and Page Up keys to move between the slides.

Note these pattern variations are not quite symmetrical because K4JA’s antennas rotate on ring-rotators around the side of the tower. When an antenna points in the opposite direction, for example, its boom will be on the opposite side of the tower from the other booms.

Page 2: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = 0°

3-Yagi stack gain (dBi)Top unused

2-Yagi stack gain (dBi)

Page 3: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = 0°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 4: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -10°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 5: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -20°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 6: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -30°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 7: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -40°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 8: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -50°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 9: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -60°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 10: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -70°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 11: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -80°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 12: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -90°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 13: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -100°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 14: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -110°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 15: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -120°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 16: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -130°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 17: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -140°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 18: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -150°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 19: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -160°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 20: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -170°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)

Page 21: Animation: Rotating the unused top Yagi in a 3-Yagi stack Instructions: To view the animation, click on the pull-down menu Slide Show/View Show or press

Top Yagi azimuth twist = -180°

3-Yagi stack gain (dBi)Top unused

Gain difference from2-Yagi stack (dB)(i.e., top Yagi missing)