Ham Radio: 40 Metre Dipole In A Small Space

I used an antenna like this for years, indoors, and it worked great for SWL, receive-only. I modelled it after a similar antenna that we built inside a Radio Shack store to demo shortwave radios. Even inside the store, we could pick up stations from all over the world.

Great explanation Tim. You’re videos are very informative as always. Keep up the good work 👍

Really helpful video Tim thanks.

well done Tim, Its always good to look at your antennas. many thanks, best of luck in the new year.

Bravo, mate! Excellent video! Thank you for posting!

Brilliant, Thanks Tim.

I'm a relatively new HAM, and how antennas work is still foreign to me. But, I'm starting down the rabbit hole, and this video was AMAZING for me! Thanks, Tim! 73's from K9WNZ!

Very good antenna design. I agree that the "real" test of antenna performance is on the air. It always amazes me the things some go through to squeeze one more db of gain out of an antenna. The difference will be unnoticed at the receiving end. Great job, Tim. 73 de K7RMJ Frank

Great video as always. Thanks...

Thanks Tim, this has been very useful. I need to make an antenna for a friend who is restricted to using his loft space and am considering using something like this as a starting point.

Great work Tim. Very insightful and I will try the same with a doublet and 300r ladder line. 73 de Will , M0LGW 👍🏻😊

Interesting, Tim. Nice one 👍

Really informative. Might have a good look into this but with much wider folded section, 100-150mm. MMANA, here I come 😊

Great introduction on that antenna 👍⚛

I've made a scaled up version of this concept, using 300 Ohm slotted ribbon, for 80m to comply with the ERF rules in my 30m x 6m plot. When I noticed that as a fully folded dipole it was also the perfect length for a 60m antenna, I decided to feed it with 300 Ohm ribbon as a doublet. I was looking for a way if electrically shorting the gap for 60m and considered an 80m trao but this would have a shortening effect so I have left it alone. I'm having great fun on all bands from 80 to 10m and enjoying a lower noise level than I had on my big inverted L. I don't know how much difference it makes but the gap on my linear loaded antenna is at the top above the feed point. It was bang on resonance at the design frequency of 3.75 MHz and required no other adjustment. For the higher bands I'm using the trusty old SEM TranZmatch to load it up with good results.

I have used VE3WY's shortened antennas from Maple Leaf Communications with great success. Using Tim's video on calculating antenna space for an inverted v I was even able to fit the 70foot 80/40m version into a tight space. Thanks!

Like this Tim, I’m looking to do the same, but feed it with ladderline, linear loaded doublet. The length will be whatever i can cram in. keep up the good work. m0udb

Hi Tim Thank you .I have ordered from Amazon in the uk and my daughter will post the ladder line to me...more expensive but at least i will have it...thank you for your comments...john

Apologies Tim, I missed this one. Very interesting, via people like yourself YouTube has opened up a great mechanism for having a go! Regards Mike

Great video thanks