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Hi, This is a good reference for things you can do too: /g/BITX20/message/67464 73, Mark.

Bob if you still have more after supplying Russell, I would be interested in a batch - sorry your email is not at QRZ hence the traffic here.? I am curious is these are the shielded ones from TDK

I found the following diagnostic guide for the *uBitx V3* : /g/GCBG/attachment/105/0/uBitxTroubleshooting%20manuala.pdf Unfortunately I have not been able to find such a document

Hi Evan, An update on the investigation: 1) Radiuno tests: I was able to buy a used Tektronix 2465 oscilloscope over the weekend for a very good price and could get started with proposed Raduino

Hello Sascha. Thank you for keeping us informed and posting the videos. Some ideas: 1. For my capacitor tuning (L-network, not a loop) I use an RC servo. The cheap SG90 servos (less than $2 on

I have a bunch of those inductors. I can send 10 if you send me a sase and a dollar bill. If you want to use PayPal, it's $1.70. My address is good on QRZ. I'll give you the PayPal info if you

Ha! I saw the reply about the "circular firing squad" someone else posted too - LOL. Jim

Lee I sent it over. The updated instructions are in the same download area on the kit-projects website. -- David ?N8DAH Kit-Projects.com ( http://www.kit-projects.com ) Shop is open! (

Hi, Many moons and moons ago, i remember seeing a write-up if I remember correctly in QST, about someone experimenting to get better efficiency while operating mobile. What he did was to get two

I would recommend first using the standard display to insure that the main board works.? I was able to position the 3.2" nextion display opening such that the standard display could be seen through

Any reason I shouldn’t ???

I'd like to hear more about this 40m "center fed" design.? I figured 80m mobile is a pipe dream at BEST for a variety of reasons. If I could get 40 and 20 to work, I'd be fine is it tends to only

Or a circular firing squad. Have you looked at uBitx.net

Now don't flame me guys.... Reading all these questions about what build goes with what Nextion size and what options are supposed to be activated reminds me of Abbot and Costello - Who's on

Hi, Can anybody pl confirm which firmware .hex to run the DSP signal meter & CW decoder option . I use nextion adv 3.5". Fyi, the S-meter function works normally, but DSP1 & CW setup buttons

My XYL purchased an Ubitx for me late last year. It is a V4. Board. I had time to start on the recommended fixs this weekend. I have replaced the relays with the Axicoms. Does anyone in the U.S. have

Hi David, would you please email me the updated switch diagram for my agc I just received from you a week or two ago. I did question the supplied diagram. thanks Lee wb3acc@... 73

The reality of mobile ops is they antennas used will be inefficient for bands below 20mhz. Reason is loading coils are a required thing to tune out the reactance of a short antenna. There is no way

Yes, and one can score some nice LiPo cells from a cordless drill?battery pack?and get a charging controller for the intended voltage (12v, 16v, etc) on eBay with separate leads to sense each 4v

My end-of-the-world build has a kit type tuner similar to this ( https://www.ebay.com/itm/DIY-Kit-QRP-manual-Antenna-Tuner-Tune-1-30Mhz-For-HAM-RADIO-CW/182607192047?epid=23005640968%20 ) bulit into