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Search: Posts Made By: GroundUrMast
Forum: Enthusiast's Exchange 3-Sep-2014, 4:00 AM
Replies: 4
Views: 55,549
Posted By GroundUrMast
CH-33 10 Director Metal Boom Non-Insulated

Here's yet another design. This is specifically designed to use 1" square metal tube as the main boom, #8 AWG solid wire as the element material. The reflector, directors and center point opposite...
Forum: Enthusiast's Exchange 30-Apr-2011, 8:33 PM
Replies: 4
Views: 55,549
Posted By GroundUrMast
1" square metal boom w-3/8" rnd elements

UHF (CH 14-51) Yagi -- Predicted Gain: 12.8 dBd

Build with 1" square metal boom and 3/8" round rod or tube. Elements are not insulated from boom.

This will just squeeze onto a 5' boom.
Forum: Enthusiast's Exchange 26-Feb-2011, 4:07 AM
Replies: 4
Views: 55,549
Posted By GroundUrMast
Example 12 Element UHF (CH 14 - 51)

Here is a design for a 10 director Yagi cut for the UHF band (CH 14 - 51).

Build this using a 1X2 or 1X4 wood boom and elements cut from scrap 12, 10 or 8 gauge copper wire.

I've got a...
Forum: Enthusiast's Exchange 28-Jan-2011, 9:43 PM
Replies: 4
Views: 55,549
Posted By GroundUrMast
Example VHF High Band Yagi

Here is the output for a five director Yagi cut for the center of the H-VHF band. This would be similar to an Antennacraft Y5713 or Y10713.

Construction is assumed to be based on a 1" square...
Forum: Enthusiast's Exchange 26-Dec-2010, 10:15 PM
Replies: 4
Views: 55,549
Posted By GroundUrMast
Yagi Antenna Design Software

I have built several Yagi Antennas using this software, each antenna has been successful.

I simply used scrap #12 or #10 gauge copper wire, scrap 1X4 or 1X2 lumber and a 300/75Ω matching...
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