Home Up Published Articles VHF Power Amps Low Noise Amplifiers HF Power Amps VHF UHF Ant Software

VHF/UHF Antennas

© Copyright 2001 - 2011. All rights reserved  by Dragoslav Dobricic, YU1AW.

 

Video recording:

YU1AW - JA6CZD 432 MHz SSB EME QSO April 1982.

Video download: 432_MHz_SSB_EME_April_1982.mp4

You Tube links:

http://www.youtube.com/watch?v=h5s5_zV1ygk

http://www.youtube.com/watch?v=SjHHSM1d4zY

30 years later

You Tube link: http://youtu.be/oaC67mwBoiI

   

YU1AW 12.2 m (40 ft) home made dish for 144, 432, 1296 & 2320 MHz EME

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Amos antennas   

Quados antennas

3D Corner Reflector Antennas

Obelisk Antennas

Parabolic Dish Feed Antennas

Simple 2.4 GHz splitter for two antennas

 

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Articles published in:

A Reprint by Permission of antenneX Online Magazine http://www.antennex.com

 

antenneX  No. 158, Jun. 2010.

Printed Omni Directional Wi-Fi Antenna for 5.6 GHz    NEW!

Print_Omni_Ant_5G6.pdf      (443 kB)

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antenneX  No. 157, May. 2010.

Coaxial Cable Influence on Yagi Antenna Array Noise Temperature 

   coax_influ_noise_temp.pdf   (403 kB)

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antenneX  No. 156, Apr. 2010.

Pillbox Antenna for 5.6 GHz band

   Pillbox_Ant.pdf    (599 kB)

       

Built by: jocadj

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antenneX  No. 155, Mar. 2010.

Yagi Antenna Boom Influence on UHF   

    Yagi_boom_infl_UHF.pdf  (169 kB)

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antenneX  No. 154, Feb. 2010.

Yagi Antenna Insulated Elements Boom Correction 

        Yagi_boom_insul_corr.pdf  (1.6 MB)

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antenneX  No. 153, Jan. 2010.

Yagi Antenna Elements Correction for Square Boom   

yagi_sq_boom_corr.pdf  (1.9 MB)

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antenneX  No. 152, Dec. 2009.

Yagi Antenna Elements Boom Correction

    yagi_boom_correction.pdf    (1.8 MB)

 

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antenneX  No. 151, Nov. 2009.

Coaxial Cable Feeder Influence on Four Stacked Yagi Antennas Array 

    Cable_inf_on_ant_array.pdf  (2.1 MB)

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antenneX  No. 150, Oct. 2009.

Coaxial Cable Feeder Influence on Yagi Antennas - Part 2   

    Coax_Infl_yagi_2.pdf   (1.7 MB)

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antenneX  No. 149, Sep. 2009.

Coaxial Cable Feeder Influence on Yagi Antennas   

    coax_Infl_yagi.pdf  (1.6 MB)

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antenneX  No. 148, Aug. 2009.

Boom Distance Influence on Yagi Antennas   

    boomdistyagi.pdf   (1.7 MB)

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antenneX  No. 147, July 2009.

Triple Folded Dipole Feed for Yagi Antennas

    3fdf_yagi_feed.pdf   (413 kB)

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antenneX  No. 146, June 2009.

Boom Radius Influence on Yagi Antennas

    boomradyag.pdf    (1718 kB)

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antenneX  No. 145, May 2009.

Boom Influence on Yagi Antennas  

    boom_yagi.pdf  (687 kB)

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antenneX  No. 140, Dec 2008.

Array of Inverted Amos Antennas  

    InvAmosArray.pdf (318 kB)

       

Built by: Napoleón J. Rodríguez La Torre - Perú
 

Built by: Jorge Alberto Igreda Acero - Lima, Peru

 

Built by: 图图钉钉 (Tuding) - P.R. of China

                       

Built by: Michele, Italy

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antenneX  No. 139 Nov, 2008.

Yagi Antenna Design Sensitivity in Practice  

    yagi_sens_pract.pdf (385 kB)

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antenneX  No. 138, Oct 2008.

Yagi Antenna Design Sensitivity  

    yagi_design_sens.pdf  (473 kB)

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antenneX  No. 137, Sep 2008.

Yagi Antenna Improvement Thirty-Year Old Dead End? 

    yagi_old.pdf (292 kB)

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antenneX  No. 136, Aug 2008.

Performances of Wet Yagi Antennas 

    wetantenas.pdf (450 kB)

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antenneX  No. 135, Jul 2008.

Yagi Antenna Q factor

    yagi_q_factor.pdf (285 kB)

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antenneX  No. 134, Jun 2008.

Wet Antennas

    wet_ant.pdf (220 kB)

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antenneX  No. 133, May 2008.

Inverted Amos Antenna as Linear Feed for Cylindrical Parabolic Reflector

    linefeed.pdf (970 kB)

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antenneX  No. 132, Apr 2008.

VHF Antenna Noise Temperature

    vhfnoisetemp.pdf (750 kB)

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antenneX  No. 131, Mar 2008.

Quados Antenna

    quados.pdf (960 kB)

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antenneX  No. 130, Feb 2008.

Inverted Amos Antenna

            invertamos.pdf (660 kB)

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antenneX  No. 129, Jan 2008.

Obelisk Antenna

            Obelisk.pdf (990 KB)

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antenneX  No. 128, Dec 2007.

Two el. Bi-quad Antenna Feed for 2.4 GHz

    Feed for 2.4 GHz.pdf (2 MB)

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antenneX  No. 127, Nov 2007.

Amos Antenna

                Amos.pdf (1.3 MB)

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antenneX  No. 126, Oct 2007.

3D Corner Reflector Antenna Feed for 5.8 GHz

            3d_corn_refl_feed.pdf (1.2 MB)

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antenneX  No. 125, Sep 2007.

Shortened 3D Corner Reflector Antenna

               S3DCRA.pdf  (850 kB)

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