Ke4pt

Index to 2008 QST

... W2DU, Honored for Long-Term Ham License (Maxwell): Apr, 13 West Point Cadet Amateur Radio Cub License Exam Session (Dean): Jun, 13 YLRL Leader Nancy Rabel Hall, KC4IYD, is 15th Severson Winner in Ohio: Nov, 13 In Brief New ARRL Directors and Vice Directors; WRC-07; ARRL On-Line Auction; Kia Siwiak, KE4PT ...

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Inhalt / Contents 2010

... more gain Slobodan Bukvic, YU7XL III/64 The 50Ω Folded Dipole Yagi Justin Johnson, G0KSC III/71 Compact 122 GHz / 134 GHz Mixer Head for direct Dish Mounting Jürgen Dahms, DCØDA III/76 Optimum Height for an Elevated Communications Antenna, Kazimierz Siwiak, KE4PT ...

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An Optimum Height for an Elevated HF Antenna

32 QEX - May/June 2011 Kazimierz "Kai" Siwiak, KE4PT 10988 NW 14th St, Coral Springs, FL 33071; ke4pt@amsat.org An Optimum Height for an Elevated HF Antenna 1 Notes appear on page 38.

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Federal Communications Commission Office of Engineering ...

(Submitted by Kai Siwiak, P.E., KE4PT) One meter diameter HF Loop, 150 W, assumes surface (ground) reflection Frequency (MHz) Distance (meters) from loop center for compliance

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Content / Inhalt

... on the EME Path by Charlie Suckling, G3WDG 331 A Bistatic Backscatter Chirp Radar for Amateur Radio Use by Andrew Martin, VK3OE 348 Propagation Optimum Height for an Elevated Communications Antenna by Kazimierz "Kai" Siwiak, KE4PT ...

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27-DX Marathon Results June09

KE4PT . I am amazed what can be worked at the bottom of the cycle... KD8GOX . Rough year with far fewer zones in the log than last year but pretty good performance considering no sunspots ...

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WHITE NOISE

MIR Astronaut Andy Thomas, ROMIR / VK5MIR AMSAT Mentor Kai Siwiak, KE4PT Coordinating Teacher Juleen Pump Amateur Radio Coordinators Ann Siwiak, KE41EV Diana Siwiak, KE4QXL (Westchester alumna) Joseph Siwiak, KF4JAS (Westchester alumnus) Westchester Principal Francine Renguso Motorola Amateur Radio Club Bruce ...

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