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Hello, Now that I've purchased some flat top 18650s, I'm thinking that one could easily mix up polarity on these.? What happens if someone inserts both batteries backwards?? I'm assuming that full

Hi Vule, Raj has more experience with the uBitx than I do. However, the symptoms you describe indicate a stuck K1; here, the Nano is commanding the relay to be off, but the TX is still on and not

Hi Shawn, Those who seek will find. I looked into the linked website and Georgy published his modifications two months ago. For coders, this can be a call to attention for modifications, since sbitx

Vule, Just replace the front panel mic socket. It may be a problem, just a thought! Raj

Tomasz, things are like this: 1) I have original screen and TX is disapearing normaly but PTT stays ON and there is no modulation going out. 2) I did not happend on SSB, only on digital, in the

Just to add to Evans first para. If a diode has failed or mostly bad solder then the RX would have dropped sensitivity. Good Luck with a fix! Raj, vu2zap

Hi Ted, The short answer is that both the calibration (master and BFO) settings can cause the filter to be misaligned with the signal.? Also, it can be a failure in the modulator in that one-half of

I just tried gdyuldin’s fork: https://github.com/gdyuldin/ft8_lib It looks promising: I can receive longer callsigns, can send with a suffix (LB2JK/QRP), and on pskreporter I can see that my

I was doing POTA yesterday with the V.5 shown in my avatar, when a caller asked me if I was [intentionally] running double sideband.? He was really cool about it and volunteered to send a short video

I use WSJT-X on the sBitx. The screen scaler leaves me with text that is too small to read and you can't see the bottom of the WSJT-X window unless you use the X-Large setting. Fortunately the screen

Hi Vule, To start narrowing the issue we would like to know if "TX" is still hanging on the screen while PTT is OFF. regards Tomasz

This problem is due to the ft8 library used in the sBitx software. This was already brought up by Shawn, K7IHZ, in this

Yep it’s a known problem with ft8_lib. I was trying to hack on that a few months ago: https://github.com/kgoba/ft8_lib/compare/master...ec1oud:ft8_lib:master It wasn’t complete enough to work

I've been using my sBitx v3 for one and a half months and am pretty happy with it. However, I noticed strange behavior. When I try to start QSO with a station that uses nonstandard callsign (e.g.,

Thanks David for the clarification. 73 Jon, VU2JO [email protected]> wrote:

Interested [email protected]> wrote:

HI Everybody I have a sBitx v3 SDR For sale Price is 375.00 plus shipping It comes with 2 mics (was told the original sounded off) and it has power poles on the DC leads A wireless keyboard/mouse I

When can we expect an updated accurate schematic? Joel N6ALT

I use same dipole that was in use before.. It is without balun but good trimmed and it works same for many years also on other devices, even on the very same uBITX and for same purpose, nothing has

Hi Vule, 1) Do You have original ubitx V6 display? If Yes, is "TX" sign disappearing from the screen after TX is switched OFF? 2) Is this happening when toggling PTT (also for longer period) with RF