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Looks like perfectly normal behavior to me. You were going up in frequency through 10.0mhz and the rig switched from LSB (clk1=33mhz) to USB (clk1=57mhz). ? ? When turning the encoder knob slowly,

Walter, I used a audio taper 10k pot. on my BITX40 with a standard 1/4" shaft and switch. works fine last long time? I just got my uBITX and i suppose it also uses the same pot. I sitting back a

And, just for info, the uBITX does think it is on 10.000 mhz. Exactly. It has no idea of the differences out there. It does not measure. wrote:

Sticking a probe on the Si5351 crystal will load it down and change the frequency. The proper way to do this would be to hack the sketch to set one of the clocks to 25.0 mhz and then measure that

Or are you agreeing that this is normal ? I think it is. wrote:

Jerry, I think you miss understood. I posted the hex file because I've used it before, but this raduino is a Farhan original with his code completely. What I'm saying is I think the description is

So, in that first instance, the rig is tuned to?54.98977-(32.99388+11.99624) =?9.999650 In the second instance, it is tuned to?54.99647-(56.99305-11.99624) =?9.999660 Since it flipped, we can

I had the same run in with Dex out of the blue! i made a English usage error. i guess typing in the middle of the night with a flashlight not wanting to wake the family is bound to cause a problem. I

these may work https://www.digikey.com/product-detail/en/Schurter+Inc./4831.2300/486-3395-ND/1731047 ( https://www.digikey.com/product-detail/en/Schurter+Inc./4831.2300/486-3395-ND/1731047 )

That is a serial or parallel distribution switch. It takes a serial port output (6 to 20 wires), or a parallel port (usually 20 wires) and transfers it to 4 different receiving ports. The most common

The hex file works. But, its not in the raduino I measured. The raduino was programmed by Ashhar in India.

Quick update: I tried John's suggestion and changed R29 in 47 ohms. There were no voice stations but the CW stations became much more audible so it was a clear improvement. Still the audio level was

Look for an old sound card. Early ones had threaded ones much like their 1/4"/6mm brothers, later ones all-plastic board-mounted.

Howdy Raj, Well over half a century ago when I was 13, I wanted to build an oscillator to practice morse code. One of the men at my church was an EE and also a ham (he also had a really cute daughter

Hopeffuly you see this Jerry, its just for you. but anyone might find this usefull I hope.? Frequencies on 10mhz lsb Clock 0 54.98977 ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?

It went from shipping Monday to being Stateside today! WOW! DHL does not mess around! If this was UPS or USPS, it would still be in Europe! It will be next week or the week after before I get started

Problem is the mikes have a 2.5 and 3.5mm jack. I ordered some 2.5mm females, but didn't pay attention and I received the SMD type. The barrel from that is even shorter than the 3.5mm ones that came

Thanks Doc.... 73

David It seems that there is a communication problem with uBITX that communication error occurred in both reading and writing. If you have another computer, would you try it again there? The top

You could mount the jacks from the kit into 2mm thick sheet of plastic.? -- Jason Schlager KM6AUS