Unleash the Power of Poseidon! Coffee and Ham Radios "Poseidon" Antenna - Build it! 

They work better than I thought they would 😮

I hear Ape's voice in my head saying, "Now don't get it twisted, son." Seriously though, this was a great build video. It's helpful seeing the common mistakes that can be made.

Finally getting a chance to watch this!

Mad respect for Ape and Chuck for the QC on this. Well done with the video, Jim!!

I got duped into watching this video because I thought you were outside. Haha looks like a cracking antenna!

Great work Jim , glad you built this bad boy!

I think the give away on the crossed streams when the cat was trying to date the dog! Hi Hi 73

Can't wait to get mine. Thanks and 73!

You did a great job at presenting the Poseidon Antenna Jim, thank you for doing that.

Good stuff, Jim! I might have to add that to my antenna collection!

I will definitely re-watch this when mine comes in on Wednesday.

Build the Poseidon. It will be an ADVENTURE! (movie reference)

Nice job Jeem! A true man of honor as well, you didn't need to show us that slight mess up.. gotta respect that

I like past Jeem best ;) I appreciate you putting leaving in your mistakes and correcting them. It really helps in understanding the build.

If I had a nickle for every time I forgot to put the heat shrink on first I could buy a Flex 6600 and have change. Thanks for keeping it real, Jeem. It truly helps.

Nicely done Jim, well except for those small mishaps... lol! I would assume this antenna is made to be used 6-40. Looks like it works fine, congrats on another great product.

Don't expect a Chair Force veteran to be able to properly pronounce Poseidon 🌮🌮🌮

The Poseidon Adventure!!!

That a great antenna. love that winder base. I wound a lot of toroid's and so so at it. Chuck and Ape got me beat . I did stack of 2 and 3 T-240 toroid's with 10 AWG solod MAG wire . 49:1 for QRO end fed half wave. my fingers hurt 2 days. but doing 500 watt FT8 on 10/12 meters was fun. I ran 1/2 wave cut for 12 and fold back for 11 and 10 meters. bunch of ground elements like the DX commander antenna. ran up DX commander 10 meter pole. ran veritable like the Poseidon one but mono band cut 1/2 wave with 49:1 stack toroid core that one has the 100 PF 3 KV cap. ferrite stayed cool ! love the testing Ape and Chuck did. they did post some video's showing that ! for a small easy to deploy antenna this is all some. great POTA SOTA antenna . love that antenna wire. I buy it in larger AWG . I used DX commander wire on my mono band 1/2 wave veritable build . the half wave mono band DX commander antenna I made. that a fun kit you 4 made. 73's

I want a pre-made one by Mr Ape, cause Jeem buggered up the toe-roid... Ape is the toe-roid specialist. If Ape builds me a special one on video, I will buy one.😁👌

Most RU-vidrs would hide their mitsakes, well done on showing us the dark side

That was a good and informative review! One small correction, though: MultiJet Fusion is HP's brand of 3D printer. Distinguishing them is like saying "this isn't a pickup, it's an F150." Like you implied, though, MJF is a high-quality commercial-grade printer, and it uses nylon instead of PLA, both good things for the quality of this antenna. Thanks for the great video!

Have you tried one without close spacing the wires? I don't think the extra inter-winding capacitance is useful. You could also use one piece of wire twice as long, wrap the first 8 turns, sand off some enamel for the tap, and lay the final 8 turns roughly between the first 8. I believe that's easier than managing winding two wires at once. Then I'd use stranded wire to connect the tap to the BNC center pin (some of the left over BNTECHGO wire should be fine, and you don't need to keep the insulation) will help avoid stress breaks due to vibration or getting nudged in the go bag. (Don't let the solder crawl up into the body of the stranded lead, the point is for it to remain flexible.) If you leave the stranded tap connection long enough, you could also try the adjacent tap points, just to see what it does to the SWR curve. And speaking of the SWR curve, it would be interesting to see the real and imaginary parts of the reflection coefficient (or, equivalently, a Smith chart showing just the ham bands, labeled, or each on its own separate chart). That point out whether the addition of a capacitor, or moving the tap, possibly on a per band basis, might help. (Though it's still not going to be an efficient antenna on 80m.) (Maybe I'll snag a type 52 toroid and play.) Nice mechanicals, and nice video.

Next time Future Jim shows up, can we get a few stock market tips? Maybe who wins the World Series 2024?

is it possible to buy just the winder? I need 2-3 for my personal projects.

I would not brag about an antenna that is above 2:1 for most bands. I use type 43 toroids for mine and they are under 1.5 to 1 for the HF bands.

Even the "pros" make mistakes.