It was clearly Farhan's Daylight Again rig that launched the current wave of PTO-mania. Interest in Glue-Sticks as PTO mechanisms has also spiked. Here is an article from 73 Magazine in 1966 about bui

I am not working on a uBIX V4.3. Where can I find a schematic, board layout and any documentation. Thanks, Mike N2MS

HI to all. I have uBITX V6 with Nextion display and CEC Firmware. I made this adapter: https://ubitx.net/2018/02/28/agc-mod/ I am wondering how to connect it to my RIG. Do I need to cut the leads some

Hi, I'm trying to get my old uBitx40 V3 board with Raduino V1.29 completed! I bourght it years ago and never completely installed it into its case until last month. I'm having some trouble with select

Hi all, I would like to start an attempt to modify a Bitx20a (I should verify the board) which I will receive today into a 6m tranceiver. First off all I think that I build a new LPF and a new BPF and

Gentlemen and Ladies, As a user of this list I have become overwhelmed with email from this list sometimes each including 7 attachments, each being in excess of 1MB. PLEASE refrain from posting attach

Does anyone know whether the Arduino Nano in the uBitx 6 could be replaced with an Arduino Nano RP2040 Connect without any other hardware changes? I realize the software would have to be adjusted, but

Download full resolution images Available until Dec 13, 2022 Barry: The Smalls = 2.5”H / 5.75”W / 5.625”D The Medium = 4.25”H / 12.5”W / 10.25”D

I really have not seen amplifiers that have been broad banded, and the higher frequencies suffer as a result. I am attaching ECO6907 that tells how to make an amplifier that is broad band. QRP Amps -

I have been using a program (online) to get values for a transmitter LP filter. However, the program wants a Q value. Looking in some of the books I have in my library, I find Q for BP filters but not

So I got my uBitx v6 maybe a week or so ago, the RX works good, except the pop in audio anytime anything in my house turns on or off (even if I run the uBitx completely on battery).. anyway, when TX o

Is anyone here working on new features/functions? Also, it would be nice to have a central repository and related chats just for fixes, mods, updates, etc. It's kind of messy wading through all the ch

My finals blew up the first day I received the unit a few months ago. Ive been patiently waiting for a fix ever since. When are the kits to prevent final amp oscillation going out? How do I know if my

I want to try my xBitX V6.1 on CW. I've had discussions with some uses and they recommend loading the ubitx-n8me firmware for CW operation. Is there a set of instructions available for firmware upgrad

Dear members, What a blow to Amateur Radio Builders. I used to buy part from them at the TRW Swapmeet back in the 90's. I was just on the hunt for some parts for the DAYLIGHT ANALOG RADIO. it is going

My XYL and I got injured and I am falling way behind on projects. I built 2 Bix40s and very happy, but the uBitXv3 is waiting and shaming me but I would like to ask enough $$ that it will be appreciat

After following all the noise regarding RTC, SWR meters, diode switching, and blowing finals, etc, where does this leave the status of the Sbitx's that were ordered and paid for but not shipped due to

Has anyone tried the QCX AGC in a uBitx? It looks like it connects and pretty much like the audio limiter Curt WB8YYY and I described earlier. It samples the signal at the audio output and affects the

We have a problem. In sbitx, we need to have a clock that is accurate to a second for a year. This is to trigger our FT8 rx/tx cycles, use stuff like ALE or even coordinate moonbounce. I spent a week

How low is the 2nd harmonic on the Bitx 40 last version? -John N4HNO