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Thanks for this detailed build, I might try one!

Good copy. I built a VK5TM for power line noise. However I found the noise has fewer yet stronger harmonic peaks lower down the bands. The noise canceller seems to work well there. But up closer to 10M the harmonics from the power lines seem to become much much closer together, basically smothering everything up there. The power line noise peaks are not as strong but it's spread out the higher I go up the band. Finally the canceller does not seem to be effective for this noise at the top end of the HF range. Any insights? I was thinking to try adding a turn or two on the toroid or perhaps change the toroid material or is it just impossible to try to fight the noise once it becomes more spread out like this? The entire hillside where I live is a very noisy area. If i drive down a dirt track around the corner of the hill for 150M The radio is dead quiet but anywhere closer to the medium sized high voltage lines and it just ruins the hobby on certain frequencies. When i try to cancel the noise around 10M the phase pots do very little if anything at all. You can see some effect from then when the gain pot is set very low but the problem is when you remove the noise by detuning it and then setting the gain pot as high as possible, it simply nulls the wanted signal just as much. On lower frequencies the gain pot can be all the way down and it does not effect the wanted signals also down there the nulls are easy to find and can often null the noise close to 100%. Rewind the toroid? Change the mix of the ferrite? Any ideas would be appreciated.

Well done that man ; Denis 2m0doi

Should have narrated it 🙄

Terrific job Tony, you are following in the grand tradition of ham radio homebrew! Enjoy your station! It's the perfect time to bring a new QRP transceiver on air.

I just bought this kit, and will be assembling soon. I do not like when kits use 9v batteries. They are expensive. I plan on doing the same thing with my Elecraft K2, I’m going to connect it to a tuned speaker. I’ll share it when it’s done.

Wow that works well.

Just wow that bloody great, wish I had it in me to make something like that, thanks for showing us this.ALAN.73s🇬🇧💯👍

Your call sign sounds very good to the ear!

Excellent job Tony! 73 de US7IGN!

A Great QRP Station Tony ...and all homemade 😍

👍Very good and thanks for sharing. I like CW, I like QRP and I like homebrew. Your callsign sounds quite distinctive - a lot of dits until you get to the M 😀. The CW filter certainly seems to work well.

Sweet! de VK2AOE

Very nice, you can be proud !Love it, hope to work you one day with this setup. Best 73 de OO4M

For the elements length, which formula you followed ? Kindly share..

Thank you. N0QFT

Wow, what an ugly sounding side tone, but a great build.

Wow! Brendan went from fully quietening to no discernable signal! That's the best example of de-sensing that I've seen and that filter works a treat. Well done Tony. John EI5JS

Damn impressive Sir, wild difference indeed! I need a pen…. Thank You!

I plan on building the filter for the opposite problem: Instead of interference on receive, I have a Radtel rt-470x ht that is good except in has atrocious 2nd harmonic suppression on transmit and I don't want to interfere with anybody our of band.

I have an Icom IC-V80E 2m only handheld radio, and I was shocked to find it could stand being connected to the aerial on top of a ham repeater tower - next to a commercial site. This was about 12 years ago when there was still quite a lot of active commercial equipment on the tower including cellular, pagers, trunked band 3 PMR with continuous transmitting control channel.

Hi Tony . Really good. I need a similiar one to this for the UHF band 70cm. Suffering from interference from arials on a water tower near my home. But haven't any idea how to make one. Cheers from old George in the UK 🇬🇧

WOW, WHAT A DIFERENCE, I NEED THAT FILTER !

Your irelands dx commander. Fair play tony

Thanks Tony I have a go at building one thank de 2e0ree 73

Nice build and demo Tony.

Fantastic video! My very first SOTA activation was of Great Sugar Loaf EI/IE-022 nearby and I look forward to activating another peak or two in the area on my next visit

Its a great example like a lesson to show people the antenna actually is important as much as the rig. If the person living inside a metropol like me, actually an antenna with filter is more important than what's the device. Thanks alot.

Was nice to work you on this rig Tony. Seems like every time we QSO you're on a different homebrew rig! Good job!, 73

Nice video. I just made QSO with EA1FGN 2 minutes ago on 30 meters ;>)) I also made some Ham video, all the best !!!!

Hello Tony, Great realization. Thanks. I also made a short video with a QSO test by using a mag Loop. I schedule a new video with some tests outside.... when the WX will be better😊. Stéphane - F5JAA

Hello Tony, nice video. I have build the EGV Plus which is also a nice kit. I got 8W on 20 M and 30 M bands and 10 W on 40M band. My next project will be may be also the EGV 9B or DB4020. Javier has great kits. Enjoy QRP. 73’s. Stephane. F5JAA.

Looks like a nice kit. Well though out board design. 73s

nice project

Very nice kit build and decent power output on all bands. Your enclosure looks great too... I swore I wasn't going to buy another qrp radio until at least the summer... 🤔

👍Nice. Thanks for sharing.

Well done Tony!

😄👍🇬🇧

Looks like a great kit! 👍

👍❤

Great job. What's your estimated cost if you didn't have all those parts to hand?

what is the device used to measure uh??

the Mile Kokotov schematic are using copper plate 32mm, so can we use a PSB for replacement for it? i see your is working...

I did just a few simple mods to my 1320: 1: big diode as reverse polarity protection and in-line fuse 2: diode in series with the key socket so nothing will come to harm if you accidentally plug the power lead into it (since both power and key use identical phono / RCA connectors) 3: soldered the cans of the crystals in the filter together and to earth. This considerably reduces of breakthrough from strong 49m broadcast stations into the 6144kHz i.f. This isn't quite such a problem today, but it certainly was when I built mine. I wrote a review of this kit that was published in the August 2000 issue of RadCom. It's a great little radio. ☺ 73 Mark GØOIW

What does 455 kHz represent? The tonal range that the oscillator can produce? More precisely, I wonder whether a single BFO will produce tones for all CW signals received in the radio frequency range. I can't say that I understand this.

Nice rig. I remember those radios from when I was a kid. Your filter sounds great

Nice

Thanks Tony, nice review.