Ham radio: Easy and Effective 2-Band Vertical No Radials Antenna

Рет қаралды 2,777

Күн бұрын

A big fun time testing out the trapped two band end fed half wave for 10 and 15 metres.
Lots of DX worked with a short sized antenna which is easily deployed as a vertical.
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Пікірлер: 44

@johnnorth9355 4 ай бұрын

Ah good to see the weather improving and you not freezing in the car anymore Tim . 73.

@timg5tm941 4 ай бұрын

Thank you John! Spring almost here!!

@driverfilmsshortwavechannel 4 ай бұрын

Brilliant results for such a simple antenna!

@timg5tm941 4 ай бұрын

Thanks Dom!

@adyg6ad73 4 ай бұрын

Great results. And a VERY light weight portable option.

@timg5tm941 4 ай бұрын

Thanks mate it did well. A decent option for a contest weekend maybe

@joekrepps 4 ай бұрын

Nice catch getting Saba/St. Eustia(?) PJ5/SP9FIH! It’s only ~5 sq. miles/~13 sq. kms.. I worked him while mobile on 8 February. Love the antenna! Sounds like a good stealth setup.

@timg5tm941 4 ай бұрын

Hi Joe yep it worked well! 73

@101blog 4 ай бұрын

Good one Tim enjoyed what looked like a good number of QSOs coming through there and a simple practical antenna build

@timg5tm941 4 ай бұрын

Yes it was good fun and simple .. like me! 🤣

@RonanCantwell 4 ай бұрын

Nice one, Tim. Simple and effective. You can't argue with those results 👍

@timg5tm941 4 ай бұрын

Yes great fun!

@izzetmuroz 4 ай бұрын

Hi Tim another great idea good work well done...😊

@timg5tm941 4 ай бұрын

Thanks my friend

@chrisbartlett6022 4 ай бұрын

Nicely done Tim I especially like the no radials. One thing that stops me taking my Commander antenna /P

@timg5tm941 4 ай бұрын

It’s certainly makes for a quicker deployment

@WECB640 4 ай бұрын

Tim, this is awesome! I'm happy that you had such good success with this trapped vertical. Many new hams watch your channel for advice, guidance and encouragement. I'd like to suggest that when testing SWR, you always announce your callsign on the air. Some may be watching and think it's ok to do this and place their license in jeopardy. Keep up the great work! 73

@timg5tm941 4 ай бұрын

Awesome! Thank you!

@paulsengupta971 4 ай бұрын

I was testing a 2m set one day which I had just finished repairing. Where my QTH is in Wales is down the bottom of a valley and you generally can't get anywhere on 2m unless it's through the local repeater (GB3BC). I was transmitting into a dummy load to receive on another radio. I was transmitting "Testing....1, 2...." After a few minutes of doing this, I heard over the air. "1, 2"....! I said hello and gave my callsign - turns out it was another ham who lives about a mile down the valley who had a scanner on, scanning the simplex frequencies! We had a good chat.

@hamradiomobile 4 ай бұрын

Good watch Tim 👍

@timg5tm941 4 ай бұрын

Thanks mate

@andyM7XTT 4 ай бұрын

Tim,this was a great video!!! Some great contacts there 👌 have you ever thought about doing a video about grounding n how you ground ya shack equipment?? Dont think ive ever seen one done in uk.73

@timg5tm941 4 ай бұрын

Oooh can of worms there mate!

@philwhoareyou3677 4 ай бұрын

OK now how about a trapped dual/Multi band 5/8wave? Might as well go for broke I say. Good video thanks Tim.

@timg5tm941 4 ай бұрын

Nice thinking and thanks!

@waynenewport1414 4 ай бұрын

Like all of your videos great Tim. I'm going to try this antenna at home. Is it worth using a .05 wave counterpoise similar to most efhw? Cheers wayne VK4WTN

@timg5tm941 4 ай бұрын

You can do .. I find at 100w and a good swr there is little or no rf issue

@Marcel-PG0M 4 ай бұрын

Great video Tim ! Question: what is the resonance frequency for the trap ? Is it just below 28 Mhz or a bit higher ? 73, Marcel

@timg5tm941 4 ай бұрын

Hi Marcel it’s just below 28 MHz from memory

@Marcel-PG0M 4 ай бұрын

@@timg5tm941 Thanks for the fast response !

@Andrew-yx7sf 4 ай бұрын

Hi Tim 👋

@timg5tm941 4 ай бұрын

Hi Andrew

@dandypoint 4 ай бұрын

Can’t tell if or where your coax or radio connects to the car frame. Usually the most important issue is how the “ invisible” half of the antenna is handled.

@paulsengupta971 4 ай бұрын

Doesn't need the car frame. There's no invisible half of the antenna, this is a half wave, not a quarter wave. The outer of the coax will act as a small counterpoise.

@timg5tm941 4 ай бұрын

As Paul said below as there is v high impedance at the feedpoint the small return current causes no issue for me on 100w. For surety you can use a choke about 2m from the feedpoint

@101blog 4 ай бұрын

O yeah what wattage was that Tim it looked a bit thin for 100W ..Good if it is though ;-)

@timg5tm941 4 ай бұрын

100w it was! The wire is rated for 125w pep