Homemade 70cm Yagi Beam Antennas

A short video showing two of my homemade Yagi-Uda antennas for 70cm. One el-cheapo (actually free) wooden 7 element and a much better built 10 element.

[w.rustylane]

I love home made antennae. And all the different types of materials you guys use.

[GNMY]

Hi john, I have built an 8 element, but dont use a coax matching stub, my reflector is a lot closer to the driven element which drops the impedence down to 50 Ohms.
Mine is made using connecting block (chocolate block) to secure the Stainless steel elements above the boom.
Its great fun when you build up simple yagis. I'm now in the process of building a pre-amp as my ICOM IC290 isnt as sensitive as modern radios but is extreemly well filtered and screened inside.
They built them well back then.
Thanks for the Video 73 and hope to work you on 70cms
Cheers Mark

[KennethNicholson]

That version 2 antenna is lovely. Very tidy and Pro looking!

[DENMONKEY]

Nice looking HB antenna. Good idea insulating the elements with perspex.

[nellodude]

Very well done indeed. Gave me a few goodtips.
Thanks VK3CBP

[fordfasterr]

looks great!  It would be nice to see it in action too.

[tigersaw]

very well made and I like the construction method, looks very rigid.

[petermccracken]

From Peter M. Great video, Antenna looks great. You did not include the measurements, needed to make this antenna!

[WRMD]

Very nice! I'm curious about the 4:1 balun. I thought that folded dipoles had a 300 ohm impedance, so a 4:1 would make it 75 ohms, which is probably fine. I've used 75 ohm cable a lot on 2 meters and above with no issues myself. Or do you match the 75 ohm to 50 with a matching section. 73's W1RMD.

[siddharth]

it is a sheer beauty!!!! :-) wish i had one to test....

[krisraps]

I reckon it should Be Made From Copper.
I have Accumulated A HUGE Deal Of Copper and I'm making antennas from it, i have large wires, pipes, wires, rods, all diameters n stuff. :)
if you are a HAM, always collect copper like that because steel IS NOT THE SAME.

[jamesadieze]

I want to replicate it the antenna so please give us the measurements you used

[kieranuk]

thanks for videoing this :) I am interested in making one, do you have the measurements please ?

[victoryfirst]

Forgot to ask you what would you make for a VHF and UHF max antenna. Good day too.

[moozoowizard]

Could you drill through the boom and use rubber grommets to insulate the elements?

[sugizotakuro]

What if we use those tv antenna which have those kind of design?

[deodeo]

Hello, I was wondering, if I'll use a steel bracket to hold the elements, will the gain of the antenna be affected???

[guitarste]

Hi do you have a formula to the balun? Is this fed with rg58 and what is the swr curve on band please

[victoryfirst]

DId you do away with a balun and use the RG400 coaxial cable ??? Thanks

[ladindustries]

How do you determine the spacing between the bars on the antenna?