Hi Albert, I put my fan in series with a 104 degree F thermal switch so it never comes on unless I talk for a real long time. There is no need to have it running all the time. BTW, I've only had the

I replaced mine with a 10mm Noctua fan, but I have the taller case. I don't recall hearing any noise. I also put it on a switch. But if you look at ubitx.net and search for fan, you will see where

I will try that. Thanks!

Nothing beats the jackal board.

I too have the case assembly with fan,audio amp and agc boards for the Nextion 3.5" screen.The supplied fan is noisy mechanically and electrically inducing noise on receive audio.Fan ran too fast so

Thanjs Dave. I use v5 and Recollect some old comments about the 40m LPF inductor actial values vs sch indicated values.

Easiest is to add an audio filter of some sort between the phone jack on your uBitx and your headphones. For most of us, easiest means best. Strong adjacent signals will cause audio distortion, for

Hi Albert, You are way ahead of me. I too am trying to assemble the kit with the 3.5" Nextion display and the kit is full of mysteries. I can't find the exact code for the 3.5" display. The

I have my basic ubitx working nicely, i just wish the cw filtering was a bit (lot) better. What is the best way to improve the cw filtering and narrow it down. Dave c

Hello Sama, I have done only adding the resistors on the cw line no other mods have been done ON .Dave G0AYD.

I'm fine with letting conversations wander where they will, so long as folks remain civil. A good way to learn more about other forum members. Though admittedly, that EFHW thread did get kind of long

I purchased a Nextion 3.5" cabinet kit from amateurradiokits DOT in. The case came quite complete with all the cables/connectors, etc. but a little lacking in assembly instructions. (I am a kit

I don't know if my previous post on this topic showed or not (I didn't see it being sent out from the server nor were there any replies)... but if I hadn't seen your original post, I would

It's in receive mode only, and somehow coming from the main board. It is also volume-dependent - the louder the volume, the louder the 'ringing' (actually sounding a bit like an echo

I wish my life was so perfect that an off-topic thread would be enough to disturb me. Also, this thread probably would have only had about 3 posts if not for:

Hello John, Thanks for your reply,i own a home made radio which has full qsk and a dream to use it was produced by 2 uk amatuers in 1983 and is called the OMEGA,theres a picture of

As a English full licence holder, I am not only a owner and operator of two uBITX but also a K3, I find all aspects of amateur Radio fascinating.Without these user groups my knowledge base would be

Jack you got my support fully Your contributions are invaluable, and I read all of your posts. You have so much knowledge you share with all of us. I am fine with this having been brought up here so

Hi Michael, For the record we do talk a lot about antennas here, just do some searching. Not only that but other projects are discussed here like antenna analyzers and amplifiers. Yes all to support

Thanks, Raj. When Chris complains about being "off topic", I'm not sure exactly what he means since there are 2 levels of "off topic". First is "off topic" for the current thread. We have all seen