Wednesday, June 27, 2018

40M Delta loop antenna (horizontal), Part 1, Post 1537.


If you can't see the video, please insert this title URL into your browser search box: https://www.youtube.com/watch?v=gWIsU1Sy3NY.

HF Delta Loop Antennas are quiet, versatile, and cost effective antennas for radio amateurs who have room for only one HF antenna.  In this video, "DENMONKEY" takes us step-by-step through the design, construction, set up, running support ropes, and raising of the antenna.  In this case, the antenna is fed at the apex of the support mast using a 4:1 balun connected to convenient length of 50 ohm coaxial cable.  Six to eight turns of the coaxial feed line serve as an RF choke.  In this configuration, the Delta Loop is vertically polarized.  Multiband operation is possible by using a balanced feed line into a balanced antenna "tuner" or into a current balun, coax, antenna "tuner" combination.

In Part 2, DENMONKEY tests the antenna and makes a few adjustments.

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Thanks for joining us today.

Aloha es 73 de Russ (KH6JRM).

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Aloha es 73 de Russ (KH6JRM).